diff --git a/EpinelPS/Data/GameData.cs b/EpinelPS/Data/GameData.cs
index bf93ae4..72399de 100644
--- a/EpinelPS/Data/GameData.cs
+++ b/EpinelPS/Data/GameData.cs
@@ -291,6 +291,24 @@ namespace EpinelPS.Data
         [LoadRecord("DailyEventTable.json", "Id")]
         public readonly Dictionary<int, DailyEventRecord> DailyEventTable = [];
 
+        // SimulationRoom Data Tables
+        [LoadRecord("SimulationRoomChapterTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomChapterRecord> SimulationRoomChapterTable = [];
+        [LoadRecord("SimulationRoomStageLocationTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomStageLocationRecord> SimulationRoomStageLocationTable = [];
+        [LoadRecord("SimulationRoomSelectionEventTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomSelectionEventRecord> SimulationRoomSelectionEventTable = [];
+        [LoadRecord("SimulationRoomSelectionGroupTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomSelectionGroupRecord> SimulationRoomSelectionGroupTable = [];
+        [LoadRecord("SimulationRoomBattleEventTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomBattleEventRecord> SimulationRoomBattleEventTable = [];
+        [LoadRecord("SimulationRoomLevelScalingTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomLevelScalingRecord> SimulationRoomLevelScalingTable = [];
+        [LoadRecord("SimulationRoomBuffPreviewTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomBuffPreviewRecord> SimulationRoomBuffPreviewTable = [];
+        [LoadRecord("SimulationRoomBuffTable.json", "Id")]
+        public readonly Dictionary<int, SimulationRoomBuffRecord> SimulationRoomBuffTable = [];
+
         static async Task<GameData> BuildAsync()
         {
             await Load();
diff --git a/EpinelPS/Data/JsonStaticDataReplenish.cs b/EpinelPS/Data/JsonStaticDataReplenish.cs
new file mode 100644
index 0000000..f6caf78
--- /dev/null
+++ b/EpinelPS/Data/JsonStaticDataReplenish.cs
@@ -0,0 +1,155 @@
+using MemoryPack;
+
+namespace EpinelPS.Data;
+
+[MemoryPackable]
+public partial class SimulationRoomStageLocationRecord
+{
+    public int Id;
+    public int ScheduleGroupId;
+    public int ChapterId;
+    public int StageGroupId;
+    public int StageEssentialValue;
+    public int EventSelectionValue;
+    public SimulationRoomLocation Location;
+    public int Weight;
+}
+
+[MemoryPackable]
+public partial class SimulationRoomBattleEventRecord
+{
+    public int Id { get; set; }
+    public SimulationRoomEvent EventType { get; set; }
+    public SimulationRoomScalingType ScalingType { get; set; }
+    public SimulationRoomConditionType DifficultyConditionType { get; set; }
+    public int DifficultyConditionValue { get; set; }
+    public SimulationRoomConditionType ChapterConditionType { get; set; }
+    public int ChapterConditionValue { get; set; }
+    public int Weight { get; set; }
+    public bool SpotAutocontrol { get; set; }
+    public int MonsterStageLv { get; set; }
+    public int DynamicObjectStageLv { get; set; }
+    public int StandardBattlePower { get; set; }
+    public int StageStatIncreaseGroupId { get; set; }
+    public bool IsUseQuickBattle { get; set; }
+    public int SpotId { get; set; }
+    public bool UseOcMode { get; set; }
+    public int UseSeasonId { get; set; }
+    public int BattleEventGroup { get; set; }
+}
+
+[MemoryPackable]
+public partial class SimulationRoomBuffPreviewRecord
+{
+    public int Id { get; set; }
+    public SimulationRoomEvent EventType { get; set; }
+    public PreviewType PreviewType { get; set; }
+    public string? PreviewTarget { get; set; }
+    public int Weight { get; set; }
+    public string? DescriptionLocalkey { get; set; }
+}
+
+[MemoryPackable]
+public partial class SimulationRoomBuffRecord
+{
+    public int Id { get; set; }
+    public int GroupId { get; set; }
+    public SimulationRoomBuffMainTarget MainTarget { get; set; }
+    public List<SimulationRoomBuffSubTarget>? SubTarget { get; set; }
+    public SimulationRoomBuffGrade Grade { get; set; }
+    public int Weight { get; set; }
+    public SimulationRoomBubbleType BubbleType { get; set; }
+    public string? NameLocalkey { get; set; }
+    public string? DescriptionLocalkey { get; set; }
+    public List<string>? ParameterLocalkey { get; set; }
+    public string? ResourceId { get; set; }
+    public SimulationRoomBuffFunctionType FunctionType { get; set; }
+    public List<SimulationRoomBuffValueData>? BuffValue { get; set; }
+}
+
+[MemoryPackable]
+public partial class SimulationRoomSelectionEventRecord
+{
+    public int Id { get; set; }
+    public SimulationRoomEvent EventType { get; set; }
+    public SimulationRoomConditionType ChapterConditionType { get; set; }
+    public int ChapterConditionValue { get; set; }
+    public int SelectionGroupId { get; set; }
+    public int SelectionValue { get; set; }
+    public string? NameLocalkey { get; set; }
+    public string? DescriptionLocalkey { get; set; }
+    public int Weight { get; set; }
+}
+
+[MemoryPackable]
+public partial class SimulationRoomBuffValueData
+{
+    public int FunctionValueLevel { get; set; }
+    public int BattlePowerLevel { get; set; }
+}
+
+public enum SimulationRoomScalingType
+{
+    DataRef = 0,
+    None = 1,
+}
+
+public enum SimulationRoomConditionType
+{
+    Range = 0, // 0x0
+    Select = 1, // 0x0
+}
+
+public enum PreviewType
+{
+    MainTarget = 0, // 0x0
+    Bubble = 1, // 0x0
+    Grade = 2
+}
+
+public enum SimulationRoomBuffMainTarget
+{
+    Shoot = 0, // 0x0
+    Attack = 1, // 0x0
+    Survive = 2
+}
+
+public enum SimulationRoomBuffSubTarget
+{
+    AR = 0,
+    RL = 1,
+    SR = 2,
+    MG = 3,
+    SG = 4,
+    SMG = 5,
+    ELYSION = 6,
+    MISSILIS = 7,
+    TETRA = 8,
+    PILGRIM = 9,
+    Attacker = 10,
+    Defender = 11,
+    Supporter = 12,
+    ALL = 13
+}
+
+public enum SimulationRoomBuffGrade
+{
+    R = 0,
+    SR = 1,
+    SSR = 2,
+    EPIC = 3
+}
+
+public enum SimulationRoomBubbleType
+{
+    TypeA = 0,
+    TypeB = 1,
+    TypeC = 2,
+    TypeD = 3
+}
+
+public enum SimulationRoomBuffFunctionType
+{
+    Function = 0,
+    HealAfterBattle = 1
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/ClearBattle.cs b/EpinelPS/LobbyServer/Simroom/ClearBattle.cs
new file mode 100644
index 0000000..63c35f9
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/ClearBattle.cs
@@ -0,0 +1,61 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+using log4net;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/clearbattle")]
+    public class ClearBattle : LobbyMsgHandler
+    {
+        private static readonly ILog log = LogManager.GetLogger(typeof(ClearBattle));
+
+        protected override async Task HandleAsync()
+        {
+            // {"location":{"chapter":3,"stage":3,"order":2},"event":111011143,"teamNumber":1,"antiCheatAdditionalInfo":{"clientLocalTime":"638993283799771900"}}
+            ReqClearSimRoomBattle req = await ReadData<ReqClearSimRoomBattle>();
+            User user = GetUser();
+
+            ResClearSimRoomBattle response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            // OverclockOptionChangedHps
+
+            // Teams
+            try
+            {
+                var team = SimRoomHelper.GetTeamData(user, req.TeamNumber, [.. req.RemainingHps]);
+                if (team is not null) response.Teams.Add(team);
+            }
+            catch (Exception e)
+            {
+                log.Error($"ClearBattle Response Team Exception :{e.Message}");
+            }
+
+            SimRoomHelper.UpdateUserRemainingHps(user, [.. req.RemainingHps], req.TeamNumber);
+
+            if (req.BattleResult == 1)
+            {
+                // BuffOptions
+                try
+                {
+                    var buffOptions = SimRoomHelper.GetBuffOptions(user, req.Location);
+                    if (buffOptions is not null && buffOptions.Count > 0)
+                    {
+                        response.BuffOptions.AddRange(buffOptions);
+                    }
+                }
+                catch (Exception e)
+                {
+                    log.Error($"ClearBattle Response BuffOptions Exception :{e.Message}");
+                }
+            }
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+
+
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/ClearBattleFast.cs b/EpinelPS/LobbyServer/Simroom/ClearBattleFast.cs
new file mode 100644
index 0000000..2070e5b
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/ClearBattleFast.cs
@@ -0,0 +1,56 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+using log4net;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/fastclearbattle")]
+    public class ClearBattleFast : LobbyMsgHandler
+    {
+        private static readonly ILog log = LogManager.GetLogger(typeof(ClearBattle));
+
+        protected override async Task HandleAsync()
+        {
+            // {"location":{"chapter":3,"stage":3,"order":2},"event":111011143,"teamNumber":1,"antiCheatAdditionalInfo":{"clientLocalTime":"638993283799771900"}}
+            ReqFastClearSimRoomBattle req = await ReadData<ReqFastClearSimRoomBattle>();
+            User user = GetUser();
+
+            ResFastClearSimRoomBattle response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            // OverclockOptionChangedHps 
+
+            // Teams
+            try
+            {
+                var team = SimRoomHelper.GetTeamData(user, req.TeamNumber, null);
+                if (team is not null) response.Teams.Add(team);
+            }
+            catch (Exception e)
+            {
+                log.Error($"ClearBattleFast Response Team Exception :{e.Message}");
+            }
+
+            SimRoomHelper.UpdateUserRemainingHps(user, teamNumber: req.TeamNumber);
+
+            // BuffOptions
+            try
+            {
+                var buffOptions = SimRoomHelper.GetBuffOptions(user, req.Location);
+                if (buffOptions is not null && buffOptions.Count > 0)
+                {
+                    response.BuffOptions.AddRange(buffOptions);
+                }
+            }
+            catch (Exception e)
+            {
+                log.Error($"ClearBattleFast Response BuffOptions Exception: {e.Message}");
+            }
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/EnterBattle.cs b/EpinelPS/LobbyServer/Simroom/EnterBattle.cs
new file mode 100644
index 0000000..3b5a368
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/EnterBattle.cs
@@ -0,0 +1,20 @@
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/enterbattle")]
+    public class EnterBattle : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            await ReadData<ReqEnterSimRoomBattle>();
+
+            ResEnterSimRoomBattle response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/GetSimRoomData.cs b/EpinelPS/LobbyServer/Simroom/GetSimRoomData.cs
index ee78c60..f8d0163 100644
--- a/EpinelPS/LobbyServer/Simroom/GetSimRoomData.cs
+++ b/EpinelPS/LobbyServer/Simroom/GetSimRoomData.cs
@@ -1,5 +1,6 @@
 using Google.Protobuf.WellKnownTypes;
 using EpinelPS.Utils;
+using EpinelPS.Data;
 
 namespace EpinelPS.LobbyServer.Simroom
 {
@@ -8,63 +9,192 @@ namespace EpinelPS.LobbyServer.Simroom
     {
         protected override async Task HandleAsync()
         {
-            ReqGetSimRoom req = await ReadData<ReqGetSimRoom>();
+            await ReadData<ReqGetSimRoom>();
             User user = GetUser();
 
+            // ResGetSimRoom Fields 
+            //   SimRoomStatus Status
+            //   int CurrentDifficulty
+            //   long NextRenewAt
+            //   RepeatedField<NetSimRoomChapterInfo> ClearInfos
+            //   RepeatedField<NetSimRoomEvent> Events
+            //   RepeatedField<NetSimRoomCharacterHp> RemainingHps
+            //   RepeatedField<int> Buffs
+            //   RepeatedField<int> LegacyBuffs
+            //   RepeatedField<int> OverclockOptionList
+            //   NetSimRoomOverclockData OverclockData
+            //   Timestamp NextLegacyBuffResetDate
+            //   NetSimRoomSimpleModeBuffSelectionInfo NextSimpleModeBuffSelectionInfo
+            //   NetSimRoomChapterInfo LastPlayedChapter
+            //   bool IsSimpleModeSkipEnabled
+
+
+            var CurrentDifficulty = user.ResetableData.SimRoomData.CurrentDifficulty;
+            var currentChapter = user.ResetableData.SimRoomData.CurrentChapter;
+
             ResGetSimRoom response = new()
             {
-                OverclockData = new NetSimRoomOverclockData
-                {
-                    CurrentSeasonData = new NetSimRoomOverclockSeasonData
-                    {
-                        SeasonStartDate = Timestamp.FromDateTimeOffset(DateTime.UtcNow),
-                        SeasonEndDate = Timestamp.FromDateTimeOffset(DateTime.UtcNow.AddDays(7)),
-                        IsSeasonOpen = true,
-                        Season = 1,
-                        SubSeason = 1,
-                        SeasonWeekCount = 1
-                    },
-
-                    CurrentSeasonHighScore = new NetSimRoomOverclockHighScoreData
-                    {
-                        CreatedAt = Timestamp.FromDateTimeOffset(DateTime.UtcNow),
-                        OptionLevel = 1,
-                        Season = 1,
-                        SubSeason = 1,
-                        OptionList = {}
-                    },
-
-                    CurrentSubSeasonHighScore = new NetSimRoomOverclockHighScoreData
-                    {
-                        CreatedAt = Timestamp.FromDateTimeOffset(DateTime.UtcNow),
-                        OptionLevel = 1,
-                        Season = 1,
-                        SubSeason = 1,
-                        OptionList = {}
-                    },
-
-                    LatestOption = new NetSimRoomOverclockOptionSettingData
-                    {
-                        Season = 1,
-                        OptionList = {}
-                    }
-                },
-
                 Status = SimRoomStatus.Ready,
-                CurrentDifficulty = 1,
-                NextRenewAt = DateTime.UtcNow.AddDays(7).Ticks,
-                NextLegacyBuffResetDate = Timestamp.FromDateTimeOffset(DateTime.UtcNow.AddDays(7))
+                CurrentDifficulty = CurrentDifficulty,
+                // NextRenewAt: Resets at 2 AM daily
+                NextRenewAt = DateTimeHelper.GetNextDayAtTime("China Standard Time", 2).Ticks,
+                // NextLegacyBuffResetDate: Resets at 2 AM every Tuesday
+                NextLegacyBuffResetDate = DateTimeHelper.GetNextWeekdayAtTime("China Standard Time", DayOfWeek.Tuesday, 2).ToTimestamp(),
+                IsSimpleModeSkipEnabled = user.ResetableData.SimRoomData.IsSimpleModeSkipEnabled,
+
             };
 
+            // LegacyBuffs
+            response.LegacyBuffs.AddRange(user.ResetableData.SimRoomData.LegacyBuffs);
+
+            // OverclockData
+            response.OverclockData = GetOverclockData(user: user);
+
+            // ClearInfos
+            response.ClearInfos.AddRange(GetClearInfos(user));
+
+            // OverclockOptionList
+            // response.OverclockOptionList.Add([]);
+
+            // check if user is in sim room
             if (user.ResetableData.SimRoomData.Entered)
             {
                 response.Status = SimRoomStatus.Progress;
-                
-                response.CurrentDifficulty = user.ResetableData.SimRoomData.CurrentDifficulty;
+                response.Events.AddRange(SimRoomHelper.GetSimRoomEvents(user));
+
+                // TODO: Get RemainingHps
+                response.RemainingHps.AddRange(GetCharacterHp(user));
+
+                response.LastPlayedChapter = new NetSimRoomChapterInfo()
+                {
+                    Chapter = currentChapter,
+                    Difficulty = CurrentDifficulty,
+                };
+
+                // Buffs = Buffs + LegacyBuffs
+                response.Buffs.AddRange(user.ResetableData.SimRoomData.Buffs);
+                response.Buffs.AddRange(user.ResetableData.SimRoomData.LegacyBuffs);
+
+                // response.NextSimpleModeBuffSelectionInfo = new()
+                // {
+                //     RemainingBuffSelectCount = 8 - response.Buffs.Count,
+                //     BuffOptions = { user.ResetableData.SimRoomData.Buffs }
+                // };
+
             }
 
 
             await WriteDataAsync(response);
         }
+
+        /// <summary>
+        /// Get clear infos
+        /// </summary>
+        /// <param name="user"></param>
+        /// <returns>List of cleared chapters</returns>
+        private static List<NetSimRoomChapterInfo> GetClearInfos(User user)
+        {
+            List<NetSimRoomChapterInfo> clearInfos = [];
+            try
+            {
+                var receivedRewards = user.ResetableData.SimRoomData.ReceivedRewardChapters;
+                if (receivedRewards.Count > 0)
+                {
+                    // Get the last received reward chapter
+                    var lastReceivedReward = receivedRewards.OrderBy(x => x.Difficulty).ThenBy(x => x.Chapter).LastOrDefault();
+                    if (lastReceivedReward is not null)
+                    {
+                        var CurrentDifficulty = lastReceivedReward.Difficulty;
+                        var CurrentChapter = lastReceivedReward.Chapter;
+
+                        // Get all chapters where difficulty is less than or equal to current difficulty
+                        var ChapterRecords = GameData.Instance.SimulationRoomChapterTable.Values.Where(x => x.DifficultyId <= CurrentDifficulty).ToList();
+
+                        foreach (var chapterRecord in ChapterRecords)
+                        {
+                            // check if chapter is less than or equal to current chapter
+                            if (chapterRecord.DifficultyId == CurrentDifficulty && chapterRecord.Chapter <= CurrentChapter)
+                            {
+                                clearInfos.Add(new NetSimRoomChapterInfo()
+                                {
+                                    Chapter = chapterRecord.Chapter,
+                                    Difficulty = chapterRecord.DifficultyId,
+                                });
+                            }
+                            // check if difficulty is less than current difficulty
+                            else if (chapterRecord.DifficultyId < CurrentDifficulty)
+                            {
+                                clearInfos.Add(new NetSimRoomChapterInfo()
+                                {
+                                    Chapter = chapterRecord.Chapter,
+                                    Difficulty = chapterRecord.DifficultyId,
+                                });
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Logging.WriteLine($"Get ClearInfos Exception: {e.Message}", LogType.Error);
+            }
+            return clearInfos;
+        }
+
+        public static List<NetSimRoomCharacterHp> GetCharacterHp(User user)
+        {
+            List<NetSimRoomCharacterHp> hps = [];
+            if (user.UserTeams.TryGetValue((int)TeamType.SimulationRoom, out var userTeamData))
+            {
+                if (userTeamData.Teams.Count > 0 && userTeamData.Teams[0].Slots.Count > 0)
+                {
+                    foreach (var slot in userTeamData.Teams[0].Slots)
+                    {
+                        hps.Add(new() { Csn = slot.Value, Hp = 100000 });
+                    }
+                }
+            }
+            return hps;
+        }
+
+        private static NetSimRoomOverclockData GetOverclockData(User user)
+        {
+            return new NetSimRoomOverclockData
+            {
+                CurrentSeasonData = new NetSimRoomOverclockSeasonData
+                {
+                    SeasonStartDate = Timestamp.FromDateTimeOffset(DateTime.UtcNow.Date.AddDays(-1)),
+                    SeasonEndDate = Timestamp.FromDateTimeOffset(DateTime.UtcNow.Date.AddDays(7)),
+                    IsSeasonOpen = true,
+                    Season = 1,
+                    SubSeason = 1,
+                    SeasonWeekCount = 1
+                },
+
+                CurrentSeasonHighScore = new NetSimRoomOverclockHighScoreData
+                {
+                    CreatedAt = Timestamp.FromDateTimeOffset(DateTime.UtcNow.Date.AddDays(-1)),
+                    OptionLevel = 1,
+                    Season = 1,
+                    SubSeason = 1,
+                    OptionList = { 1 }
+                },
+
+                CurrentSubSeasonHighScore = new NetSimRoomOverclockHighScoreData
+                {
+                    CreatedAt = Timestamp.FromDateTimeOffset(DateTime.UtcNow.Date.AddDays(-1)),
+                    OptionLevel = 1,
+                    Season = 1,
+                    SubSeason = 1,
+                    OptionList = { 1 }
+                },
+
+                LatestOption = new NetSimRoomOverclockOptionSettingData
+                {
+                    Season = 1,
+                    OptionList = { 1 }
+                }
+            };
+        }
     }
 }
diff --git a/EpinelPS/LobbyServer/Simroom/ProceedBuffFunction.cs b/EpinelPS/LobbyServer/Simroom/ProceedBuffFunction.cs
new file mode 100644
index 0000000..c70c5a0
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/ProceedBuffFunction.cs
@@ -0,0 +1,42 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/proceedbufffunction")]
+    public class ProceedBuffFunction : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            // { "location": { "chapter": 3, "stage": 6, "order": 1 }, "event": 22116, "selectionNumber": 2, "selectionGroupElementId": 221162, "buffToDelete": 2030608 }
+            ReqProceedSimRoomBuffFunction req = await ReadData<ReqProceedSimRoomBuffFunction>();
+            // ReqProceedSimRoomBuffFunction Field NetSimRoomEventLocationInfo location, int event, int selectionNumber, int selectionGroupElementId, int buffToDelete
+            User user = GetUser();
+
+            // ReqProceedSimRoomBuffFunction Field SimRoomResult Result, RepeatedField<int> AcquiredBuff, RepeatedField<int> DeletedBuff
+            ResProceedSimRoomBuffFunction response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+            if (req.BuffToDelete > 0)
+            {
+                response.DeletedBuff.Add(req.BuffToDelete);
+            }
+
+            // Update 
+            var location = req.Location;
+            // Check
+            var events = user.ResetableData.SimRoomData.Events;
+            var simRoomEventIndex = events.FindIndex(x => x.Location.Chapter == location.Chapter && x.Location.Stage == location.Stage && x.Location.Order == location.Order);
+            if (simRoomEventIndex < 0)
+            {
+                Logging.Warn("Not Fond UserSimRoomEvent");
+                await WriteDataAsync(response);
+            }
+            SimRoomHelper.UpdateUserSimRoomEvent(user, index: simRoomEventIndex, events: events, selectionNumber: req.SelectionNumber, isDone: true);
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/ProceedNikkeFunction.cs b/EpinelPS/LobbyServer/Simroom/ProceedNikkeFunction.cs
new file mode 100644
index 0000000..a4ed13a
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/ProceedNikkeFunction.cs
@@ -0,0 +1,113 @@
+using EpinelPS.Data;
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/proceednikkefunction")]
+    public class ProceedNikkeFunction : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            // { "location": { "chapter": 3, "stage": 6, "order": 1 }, "event": 10040, "selectionNumber": 1, "selectionGroupElementId": 100401 }
+            ReqProceedSimRoomNikkeFunction req = await ReadData<ReqProceedSimRoomNikkeFunction>();
+            User user = GetUser();
+
+            ResProceedSimRoomNikkeFunction response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            var location = req.Location;
+            // Check
+            var events = user.ResetableData.SimRoomData.Events;
+            var simRoomEventIndex = events.FindIndex(x => x.Location.Chapter == location.Chapter && x.Location.Stage == location.Stage && x.Location.Order == location.Order);
+            if (simRoomEventIndex < 0)
+            {
+                Logging.Warn("Not Fond UserSimRoomEvent");
+                await WriteDataAsync(response);
+            }
+
+            // changedHps
+            try
+            {
+                if (GameData.Instance.SimulationRoomSelectionGroupTable.TryGetValue(req.SelectionGroupElementId, out var selectionGroup))
+                {
+                    if (selectionGroup.EventFunctionType == SimulationRoomEventFunctionType.Heal)
+                    {
+                        if (selectionGroup.EventFunctionTargetType == SimulationRoomEventfunctionTargetType.All)
+                        {
+                            var changedRemainingHps = UpdateUserRemainingHps(user, selectionGroup.EventFunctionValue, type: SimulationRoomEventFunctionType.Heal);
+                            response.ChangedHps.AddRange(changedRemainingHps.Select(x => new NetSimRoomCharacterHp { Csn = x.Csn, Hp = x.Hp }));
+
+                            SimRoomHelper.UpdateUserSimRoomEvent(user, index: simRoomEventIndex, events, selectionNumber: req.SelectionNumber, isDone: true);
+                        }
+                        else
+                        {
+                            Logging.Warn($"Not implement EventFunctionTargetType: {selectionGroup.EventFunctionTargetType}");
+                        }
+                    }
+                    else if (selectionGroup.EventFunctionType == SimulationRoomEventFunctionType.Resurrection)
+                    {
+                        if (selectionGroup.EventFunctionTargetType == SimulationRoomEventfunctionTargetType.All)
+                        {
+                            var changedRemainingHps = UpdateUserRemainingHps(user, selectionGroup.EventFunctionValue, type: SimulationRoomEventFunctionType.Resurrection);
+                            response.ChangedHps.AddRange(changedRemainingHps.Select(x => new NetSimRoomCharacterHp { Csn = x.Csn, Hp = x.Hp }));
+
+                            SimRoomHelper.UpdateUserSimRoomEvent(user, index: simRoomEventIndex, events, selectionNumber: req.SelectionNumber, isDone: true);
+                        }
+                        else
+                        {
+                            Logging.Warn($"Not implement EventFunctionTargetType: {selectionGroup.EventFunctionTargetType}");
+                        }
+                    }
+                    else
+                    {
+                        Logging.Warn($"Not implement EventFunctionType: {selectionGroup.EventFunctionType}");
+                    }
+
+                }
+                else
+                {
+                    Logging.Warn("Not Fond SimulationRoomSelectionGroup");
+                }
+            }
+            catch (Exception e)
+            {
+                Logging.Warn($"ProceedNikkeFunction ChangedHps Exception {e.Message}");
+            }
+
+            // Teams
+            var team = SimRoomHelper.GetTeamData(user, 1, null);
+            if (team is not null) response.Teams.Add(team);
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+
+        public static List<SimRoomCharacterHp> UpdateUserRemainingHps(User user, int HpValue, SimulationRoomEventFunctionType type = SimulationRoomEventFunctionType.Heal)
+        {
+            var remainingHps = user.ResetableData.SimRoomData.RemainingHps;
+            if (remainingHps is not null && remainingHps.Count > 0)
+            {
+                for (int i = 0; i < remainingHps.Count; i++)
+                {
+                    if (type is SimulationRoomEventFunctionType.Heal && remainingHps[i].Hp >= 0)
+                    {
+                        // Heal
+                        remainingHps[i] = new SimRoomCharacterHp { Csn = remainingHps[i].Csn, Hp = HpValue };
+                    }
+                    else if (type is SimulationRoomEventFunctionType.Resurrection && remainingHps[i].Hp < 0)
+                    {
+                        // Resurrection
+                        remainingHps[i] = new SimRoomCharacterHp { Csn = remainingHps[i].Csn, Hp = HpValue };
+                    }
+                }
+                user.ResetableData.SimRoomData.RemainingHps = remainingHps;
+                return remainingHps;
+            }
+            return remainingHps;
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/Quit.cs b/EpinelPS/LobbyServer/Simroom/Quit.cs
index 1a96fb3..a1403ad 100644
--- a/EpinelPS/LobbyServer/Simroom/Quit.cs
+++ b/EpinelPS/LobbyServer/Simroom/Quit.cs
@@ -16,7 +16,35 @@ namespace EpinelPS.LobbyServer.Simroom
                 Result = SimRoomResult.Success,
             };
 
+            try
+            {
+                foreach (var item in req.BuffsToAdd)
+                {
+                    if (!user.ResetableData.SimRoomData.LegacyBuffs.Contains(item))
+                        user.ResetableData.SimRoomData.LegacyBuffs.Add(item);
+                }
+            }
+            catch (Exception e)
+            {
+                Logging.Warn($"QuitSimRoom BuffsToAdd Exception {e.Message}");
+            }
+
+            try
+            {
+                foreach (var item in req.BuffsToDelete)
+                {
+                    user.ResetableData.SimRoomData.LegacyBuffs.Remove(item);
+                }
+            }
+            catch (Exception e)
+            {
+                Logging.Warn($"QuitSimRoom BuffsToDelete Exception {e.Message}");
+            }
+
             user.ResetableData.SimRoomData.Entered = false;
+            user.ResetableData.SimRoomData.Events = [];
+            user.ResetableData.SimRoomData.RemainingHps = [];
+            user.ResetableData.SimRoomData.Buffs = [];
 
             JsonDb.Save();
 
diff --git a/EpinelPS/LobbyServer/Simroom/SelectBuff.cs b/EpinelPS/LobbyServer/Simroom/SelectBuff.cs
new file mode 100644
index 0000000..6e2684b
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SelectBuff.cs
@@ -0,0 +1,76 @@
+using EpinelPS.Data;
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/selectbuff")]
+    public class SelectBuff : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            // {"location":{"chapter":3,"stage":4,"order":3},"event":111011152,"buffToAdd":1030504}
+            ReqSelectSimRoomBuff req = await ReadData<ReqSelectSimRoomBuff>();
+            User user = GetUser();
+
+            ResSelectSimRoomBuff response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            // Update User SimRoomData Buffs
+            try
+            {
+                var buffs = user.ResetableData.SimRoomData.Buffs;
+                if (req.BuffToDelete > 0)
+                {
+                    if (buffs.Contains(req.BuffToDelete)) buffs.Remove(req.BuffToDelete);
+                }
+
+                if (req.BuffToAdd > 0)
+                {
+                    if (!buffs.Contains(req.BuffToDelete)) buffs.Add(req.BuffToAdd);
+                }
+                user.ResetableData.SimRoomData.Buffs = buffs;
+            }
+            catch (Exception e)
+            {
+                Logging.Warn($"Update User SimRoomData Buffs Exception: {e.Message}");
+            }
+
+            // NetRewardData Reward
+            // NetRewardData RewardByRewardUpEvent
+            // NetRewardData RewardByOverclock
+
+            var location = req.Location;
+            if (location is not null)
+            {
+                var events = user.ResetableData.SimRoomData.Events;
+                var simRoomEventIndex = events.FindIndex(x => x.Location.Chapter == location.Chapter && x.Location.Stage == location.Stage && x.Location.Order == location.Order);
+                if (simRoomEventIndex > -1)
+                {
+                    // Update User SimRoomData Events
+                    SimRoomHelper.UpdateUserSimRoomEvent(user, simRoomEventIndex, events, battleProgress: (int)SimRoomBattleEventProgress.RewardReceived);
+
+                    // Reward
+                    var sorted = events.OrderBy(x => x.Location.Stage).ThenBy(x => x.Location.Order).ToList(); // Sort by Stage, Order
+                    var last = sorted[^1]; // Get last event
+                    if (last.Location.Chapter == location.Chapter && last.Location.Stage == location.Stage && last.Location.Order == location.Order)
+                    {
+                        var difficulty = user.ResetableData.SimRoomData.CurrentDifficulty;
+                        var reward = SimRoomHelper.SimRoomReceivedReward(user, difficulty, location.Chapter);
+                        if (reward is not null) response.Reward = reward;
+                    }
+                }
+
+                JsonDb.Save();
+            }
+
+            await WriteDataAsync(response);
+        }
+
+        
+
+
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SelectDifficulty.cs b/EpinelPS/LobbyServer/Simroom/SelectDifficulty.cs
index cd00340..b8d1494 100644
--- a/EpinelPS/LobbyServer/Simroom/SelectDifficulty.cs
+++ b/EpinelPS/LobbyServer/Simroom/SelectDifficulty.cs
@@ -16,14 +16,18 @@ namespace EpinelPS.LobbyServer.Simroom
                 Result = SimRoomResult.Success,
             };
 
+            
             user.ResetableData.SimRoomData.Entered = true;
             user.ResetableData.SimRoomData.CurrentDifficulty = req.Difficulty;
             user.ResetableData.SimRoomData.CurrentChapter = req.StartingChapter;
-
-            // TODO: generate buffs
-
             JsonDb.Save();
 
+            List<NetSimRoomEvent> events = SimRoomHelper.GetSimRoomEvents(user);
+            user.ResetableData.SimRoomData.Events = [.. events.Select(SimRoomHelper.NetToM)];
+            JsonDb.Save();
+            
+            response.Events.AddRange(events);
+
             await WriteDataAsync(response);
         }
     }
diff --git a/EpinelPS/LobbyServer/Simroom/SelectEvent.cs b/EpinelPS/LobbyServer/Simroom/SelectEvent.cs
new file mode 100644
index 0000000..f49a505
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SelectEvent.cs
@@ -0,0 +1,23 @@
+using EpinelPS.Utils;
+using EpinelPS.Database;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/selectevent")]
+    public class SelectEvent : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            // { "location": { "chapter": 3, "stage": 1, "order": 3 }, "event": 111021115 }
+            ReqSelectSimRoomEvent req = await ReadData<ReqSelectSimRoomEvent>();
+            // User user = GetUser();
+
+            ResSelectSimRoomEvent response = new()
+            {
+                Result = SimRoomResult.Success,
+            };
+
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SelectSelectionEvent.cs b/EpinelPS/LobbyServer/Simroom/SelectSelectionEvent.cs
new file mode 100644
index 0000000..84af7a4
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SelectSelectionEvent.cs
@@ -0,0 +1,34 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/selectselectionevent")]
+    public class SelectSelectionEvent : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            ReqSelectSimRoomSelectionEvent req = await ReadData<ReqSelectSimRoomSelectionEvent>();
+            User user = GetUser();
+
+            ResSelectSimRoomSelectionEvent response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            var location = req.Location;
+            // Check
+            var events = user.ResetableData.SimRoomData.Events;
+            var simRoomEventIndex = events.FindIndex(x => x.Location.Chapter == location.Chapter && x.Location.Stage == location.Stage && x.Location.Order == location.Order);
+            if (simRoomEventIndex < 0)
+            {
+                Logging.Warn("Not Fond UserSimRoomEvent");
+                await WriteDataAsync(response);
+            }
+            SimRoomHelper.UpdateUserSimRoomEvent(user, index: simRoomEventIndex, events: events, selectionNumber: req.SelectionNumber);
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimRoomHelper.cs b/EpinelPS/LobbyServer/Simroom/SimRoomHelper.cs
new file mode 100644
index 0000000..6424af0
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimRoomHelper.cs
@@ -0,0 +1,633 @@
+using EpinelPS.Data;
+using EpinelPS.Database;
+using EpinelPS.Utils;
+using log4net;
+using Newtonsoft.Json;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    public static class SimRoomHelper
+    {
+        private static readonly ILog log = LogManager.GetLogger(typeof(SimRoomHelper));
+        private static readonly Random _rand = new();
+
+        /// <summary>
+        /// Get SimRoomEvent By User or DifficultyId and ChapterId
+        /// </summary>
+        /// <param name="user"> User </param>
+        /// <param name="difficultyId"> DifficultyId </param>
+        /// <param name="chapterId"> ChapterId </param>
+        /// <returns>The list of NetSimRoomEvent</returns>
+        public static List<NetSimRoomEvent> GetSimRoomEvents(User user, int difficultyId = 0, int chapterId = 0)
+        {
+            List<NetSimRoomEvent> netSimRooms = [];
+            int currentDifficulty = user.ResetableData.SimRoomData.CurrentDifficulty;
+            int currentChapter = user.ResetableData.SimRoomData.CurrentChapter;
+
+            if (difficultyId > 0) currentDifficulty = difficultyId;
+            if (chapterId > 0) currentChapter = chapterId;
+
+            var events = user.ResetableData.SimRoomData.Events;
+            if (events.Count > 1)
+            {
+                return [.. events.Select(MToNet)];
+            }
+
+            var simRoomChapter = GameData.Instance.SimulationRoomChapterTable.Values.FirstOrDefault(x => x.Chapter == currentChapter && x.DifficultyId == currentDifficulty);
+            log.Debug($"Fond SimulationRoomChapter Chapter: {currentChapter}, DifficultyId: {currentDifficulty} Data: {JsonConvert.SerializeObject(simRoomChapter)}");
+
+            var buffPreviewRecords = GameData.Instance.SimulationRoomBuffPreviewTable.Values.ToList();
+            var simRoomBattleEventRecords = GameData.Instance.SimulationRoomBattleEventTable.Values.ToList();
+            var simRoomSelectionEventRecords = GameData.Instance.SimulationRoomSelectionEventTable.Values.ToList();
+            var simRoomSelectionEventGroupRecords = GameData.Instance.SimulationRoomSelectionGroupTable.Values.ToList();
+
+            if (simRoomChapter is null) return netSimRooms;
+
+            for (int i = 1; i <= simRoomChapter.StageValue; i++)
+            {
+                if (i == simRoomChapter.StageValue) // BossBattle
+                {
+                    var battleBuffPreviews = GameData.Instance.SimulationRoomBuffPreviewTable.Values.Where(x => x.EventType is SimulationRoomEvent.BossBattle).ToList();
+                    var randomBuffPreview = GetRandomItems(battleBuffPreviews, 1);
+                    var simRoomBattleEvent = CreateSimRoomBattleEvent(chapter: simRoomChapter, stage: i, order: 1, simRoomBattleEventRecords, randomBuffPreview[0]);
+                    events.Add(NetToM(simRoomBattleEvent));
+                    netSimRooms.Add(simRoomBattleEvent);
+                }
+                else if (i == simRoomChapter.StageValue - 1) // Selection
+                {
+                    // Maintenance Selection
+                    var simRoomSelectionEventRecord = simRoomSelectionEventRecords.OrderBy(x => x.Id).ToList()
+                        .FindLast(x => x.EventType is SimulationRoomEvent.Maintenance);
+
+                    var simRoomEvent = new NetSimRoomEvent()
+                    {
+                        Location = new NetSimRoomEventLocationInfo { Chapter = simRoomChapter.Chapter, Stage = i, Order = 1 },
+                    };
+
+                    if (simRoomSelectionEventRecord is not null)
+                    {
+                        simRoomEvent.Selection = new NetSimRoomSelectionEvent
+                        {
+                            Id = simRoomSelectionEventRecord.Id,
+                            SelectedNumber = 1
+                        };
+                        var groupRecordsBySelectionGroupId = simRoomSelectionEventGroupRecords.FindAll(x => x.SelectionGroupId == simRoomSelectionEventRecord.SelectionGroupId);
+                        foreach (var groupRecord in groupRecordsBySelectionGroupId)
+                        {
+                            simRoomEvent.Selection.Group.Add(new NetSimRoomSelectionGroupElement { SelectionNumber = groupRecord.SelectionNumber, Id = groupRecord.Id });
+                        }
+                    }
+
+                    events.Add(NetToM(simRoomEvent));
+                    netSimRooms.Add(simRoomEvent);
+                    log.Debug($"stage: {i}, NetSimRoomEvent: {JsonConvert.SerializeObject(simRoomEvent)}");
+
+                    // Random
+                    var RandomSimRoomSelectionEventRecords = simRoomSelectionEventRecords.FindAll(x
+                        => x.EventType is SimulationRoomEvent.RandomSelection or SimulationRoomEvent.EnhanceBuff);
+
+                    var RandomSimRoomSelectionEventRecord = GetRandomItems(RandomSimRoomSelectionEventRecords, 1);
+
+                    var RandomSimRoomEvent = new NetSimRoomEvent
+                    {
+                        Location = new NetSimRoomEventLocationInfo { Chapter = simRoomChapter.Chapter, Stage = i, Order = 2 },
+                    };
+                    if (RandomSimRoomSelectionEventRecord != null && RandomSimRoomSelectionEventRecord.Count >= 1)
+                    {
+                        RandomSimRoomEvent.Selection = new NetSimRoomSelectionEvent
+                        {
+                            Id = RandomSimRoomSelectionEventRecord[0].Id,
+                            SelectedNumber = 2
+                        };
+
+                        var groupRecordsBySelectionGroupId = simRoomSelectionEventGroupRecords.FindAll(x
+                            => x.SelectionGroupId == RandomSimRoomSelectionEventRecord[0].SelectionGroupId);
+
+                        foreach (var groupRecord in groupRecordsBySelectionGroupId)
+                        {
+                            RandomSimRoomEvent.Selection.Group.Add(new NetSimRoomSelectionGroupElement { SelectionNumber = groupRecord.SelectionNumber, Id = groupRecord.Id });
+                        }
+                    }
+
+                    events.Add(NetToM(RandomSimRoomEvent));
+                    netSimRooms.Add(RandomSimRoomEvent);
+                    log.Debug($"stage: {i}, NetSimRoomEvent: {JsonConvert.SerializeObject(RandomSimRoomEvent)}");
+                }
+                else
+                {
+                    var battleBuffPreviews = buffPreviewRecords.FindAll(x
+                        => x.EventType is SimulationRoomEvent.NormalBattle or SimulationRoomEvent.EliteBattle);
+                    var randomBuffPreview = GetRandomItems(battleBuffPreviews, 3);
+                    int order = 0;
+                    foreach (var simRoomBuffPreview in randomBuffPreview)
+                    {
+                        order += 1;
+                        var simRoomBattleEvent = CreateSimRoomBattleEvent(chapter: simRoomChapter, stage: i, order: order, simRoomBattleEventRecords, simRoomBuffPreview);
+                        events.Add(NetToM(simRoomBattleEvent));
+                        netSimRooms.Add(simRoomBattleEvent);
+                    }
+                }
+            }
+            // user.AddTrigger()
+            user.ResetableData.SimRoomData.Events = events;
+            JsonDb.Save();
+            return netSimRooms;
+        }
+
+        /// <summary>
+        /// Get BuffOptions By User And SimRoomEventLocationInfo
+        /// </summary>
+        /// <param name="user"> User </param>
+        /// <param name="location"> NetSimRoomEventLocationInfo </param>
+        /// <returns>List<int></returns>
+        public static List<int> GetBuffOptions(User user, NetSimRoomEventLocationInfo location)
+        {
+            var events = user.ResetableData.SimRoomData.Events;
+            var simRoomEventIndex = events.FindIndex(x => x.Location.Chapter == location.Chapter && x.Location.Stage == location.Stage && x.Location.Order == location.Order);
+            if (simRoomEventIndex > -1)
+            {
+                var simRoomEvent = events[simRoomEventIndex];
+                if (GameData.Instance.SimulationRoomBuffPreviewTable.TryGetValue(simRoomEvent.Battle.BuffPreviewId, out var buffPreview))
+                {
+                    log.Debug($"SimRoomBuffPreview: {JsonConvert.SerializeObject(buffPreview)}");
+                    List<SimulationRoomBuffRecord> buffRecords = [];
+                    if (buffPreview.PreviewType is PreviewType.Bubble)
+                    {
+                        var bubbleType = GetBubbleType(buffPreview.PreviewTarget);
+                        buffRecords = [.. GameData.Instance.SimulationRoomBuffTable.Values
+                                .Where(x => x.BubbleType == bubbleType
+                                && x.Grade is SimulationRoomBuffGrade.SR or SimulationRoomBuffGrade.SSR )];
+                    }
+                    else if (buffPreview.PreviewType is PreviewType.MainTarget)
+                    {
+                        var mainTarget = GetMainTarget(buffPreview.PreviewTarget);
+                        buffRecords = [.. GameData.Instance.SimulationRoomBuffTable.Values
+                                .Where(x => x.MainTarget == mainTarget
+                                && x.Grade is SimulationRoomBuffGrade.SR or SimulationRoomBuffGrade.SSR)];
+                    }
+                    else if (buffPreview.PreviewType is PreviewType.Grade)
+                    {
+                        buffRecords = [.. GameData.Instance.SimulationRoomBuffTable.Values
+                                .Where(x => x.Grade == SimulationRoomBuffGrade.EPIC)];
+                    }
+                    else
+                    {
+                        log.Warn($"Not Implement SimulationRoomBuffPreview.PreviewType: {buffPreview.PreviewType}");
+                    }
+                    if (buffRecords.Count > 0)
+                    {
+                        var selectedBuffs = buffRecords.GetRandomItems(3);
+                        log.Debug($"Selected Buffs: {JsonConvert.SerializeObject(selectedBuffs)}");
+
+                        // user SimRoomEvent update
+                        UpdateUserSimRoomEvent(user, simRoomEventIndex, events, battleProgress: (int)SimRoomBattleEventProgress.RewardWaiting, BuffOptions: [.. selectedBuffs.Select(x => x.Id)]);
+                        return [.. selectedBuffs.Select(x => x.Id)];
+                    }
+                    else
+                    {
+                        log.Warn($"Not Font SimulationRoomBuff");
+                    }
+                }
+            }
+            else
+            {
+                log.Warn($"Not Font User.ResetableData.SimRoomData.Events");
+            }
+
+            return [];
+        }
+
+        /// <summary>
+        /// Get TeamData By User Or SimRoomCharacterHp
+        /// </summary>
+        /// <param name="user"> User </param>
+        /// <param name="teamNumber"> Int </param>
+        /// <param name="remainingHps"> List<NetSimRoomCharacterHp> </param>
+        /// <returns> NetTeamData </returns>
+        public static NetTeamData GetTeamData(User user, int teamNumber, List<NetSimRoomCharacterHp>? remainingHps)
+        {
+            try
+            {
+                if (remainingHps is not null && remainingHps.Count > 0)
+                {
+                    var team = new NetTeamData()
+                    {
+                        TeamNumber = teamNumber
+                    };
+                    int slot = 1;
+                    foreach (var item in remainingHps)
+                    {
+                        team.Slots.Add(new NetTeamSlot() { Slot = slot, Value = item.Csn });
+                        slot += 1;
+                    }
+                    return team;
+                }
+                else
+                {
+                    if (user.UserTeams.TryGetValue((int)TeamType.SimulationRoom, out var teamData))
+                    {
+                        var team = teamData.Teams.FirstOrDefault(t => t.TeamNumber == teamNumber);
+                        if (team is not null) return team;
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                log.Error($"Get User Teams Exception: {e.Message}");
+            }
+
+            // default value is null
+            return null;
+        }
+
+        /// <summary>
+        /// Randomly select a specified number of elements from the list.
+        /// </summary>
+        public static List<T> GetRandomItems<T>(this List<T>? list, int count)
+        {
+            if (list is null || list.Count == 0)
+                return [];
+
+            // If the number of requests exceeds the list length, retrieve all.
+            count = Math.Min(count, list.Count);
+
+            return [.. list.OrderBy(x => _rand.Next()).Take(count)];
+        }
+
+        /// <summary>
+        /// Create SimRoomBattleEvent
+        /// </summary>
+        /// <param name="chapter"> SimulationRoomChapterRecord </param>
+        /// <param name="stage"></param>
+        /// <param name="order"></param>
+        /// <param name="simRoomBattleEventRecords"></param>
+        /// <param name="randomBuffPreview"></param>
+        /// <returns>NetSimRoomEvent</returns>
+        private static NetSimRoomEvent CreateSimRoomBattleEvent(SimulationRoomChapterRecord chapter, int stage, int order,
+            List<SimulationRoomBattleEventRecord> simRoomBattleEventRecords, SimulationRoomBuffPreviewRecord randomBuffPreview)
+        {
+            var simRoomEvent = new NetSimRoomEvent();
+            var location = new NetSimRoomEventLocationInfo();
+            var battle = new NetSimRoomBattleEvent();
+
+            location.Chapter = chapter.Chapter;
+            location.Stage = stage;
+            location.Order = order;
+            var simRoomBuffPreviewBattleEvents = simRoomBattleEventRecords.FindAll(x
+                => x.EventType == randomBuffPreview.EventType && x.DifficultyConditionValue <= chapter.DifficultyId);
+            log.Debug($"EventType: {randomBuffPreview.EventType}, SimRoomBattleEventRecord Count: {simRoomBuffPreviewBattleEvents.Count}");
+            var randomBattleEvents = GetRandomItems(simRoomBuffPreviewBattleEvents, 1);
+            foreach (var battleEvent in randomBattleEvents)
+            {
+                battle.Id = battleEvent.Id;
+                battle.RemainingTargetHealth = 10000;
+                battle.BuffPreviewId = randomBuffPreview.Id;
+            }
+
+            simRoomEvent.Location = location;
+            simRoomEvent.Battle = battle;
+            log.Debug($"stage: {stage}, NetSimRoomEvent: {JsonConvert.SerializeObject(simRoomEvent)}");
+            return simRoomEvent;
+        }
+
+        public static NetSimRoomEvent MToNet(SimRoomEvent simRoomEvent)
+        {
+            var netSimRoomEvent = new NetSimRoomEvent
+            {
+                Selected = simRoomEvent.Selected,
+            };
+            if (simRoomEvent.Location is not null && simRoomEvent.Location.Chapter > 0)
+            {
+                netSimRoomEvent.Location = new NetSimRoomEventLocationInfo
+                {
+                    Chapter = simRoomEvent.Location.Chapter,
+                    Stage = simRoomEvent.Location.Stage,
+                    Order = simRoomEvent.Location.Order
+                };
+            }
+
+            if (simRoomEvent.Battle is not null && simRoomEvent.Battle.Id > 0)
+            {
+                netSimRoomEvent.Battle = new NetSimRoomBattleEvent
+                {
+                    Id = simRoomEvent.Battle.Id,
+                    BuffOptions = { simRoomEvent.Battle.BuffOptions },
+                    Progress = (SimRoomBattleEventProgress)simRoomEvent.Battle.Progress,
+                    RemainingTargetHealth = simRoomEvent.Battle.RemainingTargetHealth,
+                    BuffPreviewId = simRoomEvent.Battle.BuffPreviewId,
+                };
+            }
+
+            if (simRoomEvent.Selection is not null && simRoomEvent.Selection.Id > 0)
+            {
+                netSimRoomEvent.Selection = new NetSimRoomSelectionEvent
+                {
+                    Id = simRoomEvent.Selection.Id,
+                    SelectedNumber = simRoomEvent.Selection.SelectedNumber,
+                };
+                simRoomEvent.Selection.Group.ForEach(g =>
+                {
+                    netSimRoomEvent.Selection.Group.Add(new NetSimRoomSelectionGroupElement
+                    {
+                        SelectionNumber = g.SelectionNumber,
+                        Id = g.Id,
+                        IsDone = g.IsDone,
+                        RandomBuff = g.RandomBuff,
+                    });
+                });
+            }
+            return netSimRoomEvent;
+        }
+
+        public static SimRoomEvent NetToM(NetSimRoomEvent simRoomEvent)
+        {
+            var netSimRoomEvent = new SimRoomEvent
+            {
+                Selected = simRoomEvent.Selected,
+                EventCase = (int)simRoomEvent.EventCase,
+            };
+            if (simRoomEvent.Location is not null && simRoomEvent.Location.Chapter > 0)
+            {
+                netSimRoomEvent.Location = new SimRoomEventLocationInfo
+                {
+                    Chapter = simRoomEvent.Location.Chapter,
+                    Stage = simRoomEvent.Location.Stage,
+                    Order = simRoomEvent.Location.Order
+                };
+            }
+
+            if (simRoomEvent.Battle is not null && simRoomEvent.Battle.Id > 0)
+            {
+                netSimRoomEvent.Battle = new SimRoomBattleEvent
+                {
+                    Id = simRoomEvent.Battle.Id,
+                    Progress = (int)simRoomEvent.Battle.Progress,
+                    RemainingTargetHealth = simRoomEvent.Battle.RemainingTargetHealth,
+                    BuffPreviewId = simRoomEvent.Battle.BuffPreviewId,
+                };
+                foreach (var item in simRoomEvent.Battle.BuffOptions)
+                {
+                    netSimRoomEvent.Battle.BuffOptions.Add(item);
+                }
+            }
+
+            if (simRoomEvent.Selection is not null && simRoomEvent.Selection.Id > 0)
+            {
+                netSimRoomEvent.Selection = new SimRoomSelectionEvent
+                {
+                    Id = simRoomEvent.Selection.Id,
+                    SelectedNumber = simRoomEvent.Selection.SelectedNumber,
+                };
+                foreach (var g in simRoomEvent.Selection.Group)
+                {
+                    netSimRoomEvent.Selection.Group.Add(new SimRoomSelectionGroupElement
+                    {
+                        SelectionNumber = g.SelectionNumber,
+                        Id = g.Id,
+                        IsDone = g.IsDone,
+                        RandomBuff = g.RandomBuff,
+                    });
+                }
+            }
+            return netSimRoomEvent;
+        }
+
+        public static SimulationRoomBubbleType GetBubbleType(string previewTarget)
+        {
+            // Type_C
+            switch (previewTarget)
+            {
+                case "Type_A":
+                    return SimulationRoomBubbleType.TypeA;
+                case "Type_B":
+                    return SimulationRoomBubbleType.TypeB;
+                case "Type_C":
+                    return SimulationRoomBubbleType.TypeC;
+                case "Type_D":
+                    return SimulationRoomBubbleType.TypeD;
+                default:
+                    log.Warn("Unknown preview target: " + previewTarget);
+                    return SimulationRoomBubbleType.TypeA;
+            }
+        }
+
+        public static SimulationRoomBuffMainTarget GetMainTarget(string previewTarget)
+        {
+            // Shoot = 0, Attack = 1, Survive = 2
+            switch (previewTarget)
+            {
+                case "Shoot":
+                    return SimulationRoomBuffMainTarget.Shoot;
+                case "Attack":
+                    return SimulationRoomBuffMainTarget.Attack;
+                case "Survive":
+                    return SimulationRoomBuffMainTarget.Survive;
+                default:
+                    log.Warn("Unknown preview target: " + previewTarget);
+                    return SimulationRoomBuffMainTarget.Attack;
+            }
+        }
+
+        /// <summary>
+        /// Update User SimRoomEvent Events
+        /// </summary>
+        public static void UpdateUserSimRoomEvent(User user, int index, List<SimRoomEvent> events, int selectionNumber = 0,
+            bool isDone = false, int battleProgress = 0, List<int>? BuffOptions = null)
+        {
+            try
+            {
+                var simRoomEvent = events[index];
+                // user SimRoomEvent update
+                simRoomEvent.Selected = true;
+
+                // Update Selection Group
+                var groupIndex = simRoomEvent.Selection.Group.FindIndex(x => x.SelectionNumber == selectionNumber);
+                if (groupIndex > -1 && isDone)
+                {
+                    var group = simRoomEvent.Selection.Group[groupIndex];
+                    group.IsDone = isDone;
+                    simRoomEvent.Selection.Group[groupIndex] = group;
+                }
+                else
+                {
+                    log.Warn("Not Fond SimRoomSelectionEvent.Group");
+                }
+
+                // Udapte Battle Progress
+                if (battleProgress > 0) simRoomEvent.Battle.Progress = battleProgress;
+
+                // Update BuffOptions
+                if (BuffOptions is not null && BuffOptions.Count > 0)
+                {
+                    simRoomEvent.Battle.BuffOptions = BuffOptions;
+                }
+
+                events[index] = simRoomEvent;
+                user.ResetableData.SimRoomData.Events = events;
+                log.Debug($"UpdateUserSimRoomEvent After UserSimRoomEventData: {JsonConvert.SerializeObject(user.ResetableData.SimRoomData.Events)}");
+            }
+            catch (Exception e)
+            {
+                log.Error($"Update UserSimRoomEvent Events Exception: {e.Message}");
+            }
+        }
+
+        public static List<SimRoomCharacterHp> UpdateUserRemainingHps(User user, List<NetSimRoomCharacterHp>? remainingHps = null, int teamNumber = 1, int HpValue = 10000)
+        {
+            var userRemainingHps = user.ResetableData.SimRoomData.RemainingHps;
+            try
+            {
+                // req remainingHps
+                if (remainingHps is not null && remainingHps.Count > 0)
+                {
+                    foreach (var characterHp in remainingHps)
+                    {
+                        var userCharacterHpIndex = userRemainingHps.FindIndex(x => x.Csn == characterHp.Csn);
+                        if (userCharacterHpIndex > -1)
+                        {
+                            userRemainingHps[userCharacterHpIndex] = new SimRoomCharacterHp { Csn = characterHp.Csn, Hp = characterHp.Hp };
+                        }
+                        else
+                        {
+                            userRemainingHps.Add(new SimRoomCharacterHp { Csn = characterHp.Csn, Hp = characterHp.Hp });
+                        }
+                    }
+                }
+
+                // get user team 
+                if (user.UserTeams.TryGetValue((int)TeamType.SimulationRoom, out var userTeam))
+                {
+                    var team = userTeam.Teams.FirstOrDefault(x => x.TeamNumber == teamNumber);
+                    if (team is not null)
+                    {
+                        foreach (var slot in team.Slots)
+                        {
+                            if (userRemainingHps.FindIndex(x => x.Csn == slot.Value) < 0) userRemainingHps.Add(new SimRoomCharacterHp { Csn = slot.Value, Hp = HpValue });
+                        }
+                    }
+                }
+                // update user
+                user.ResetableData.SimRoomData.RemainingHps = userRemainingHps;
+                return userRemainingHps;
+            }
+            catch (Exception e)
+            {
+                log.Error($"Update UserRemainingHps Exception: {e.Message}");
+            }
+            return userRemainingHps;
+        }
+
+
+        public static NetRewardData? SimRoomReceivedReward(User user, int difficultyId, int chapterId)
+        {
+            // check if reward is received
+            NetRewardData? reward = null;
+            if (!IsRewardReceived(user, difficultyId, chapterId))
+            {
+
+                var allChapterRecords = GameData.Instance.SimulationRoomChapterTable.Values;
+                var chapter = allChapterRecords
+                    .FirstOrDefault(x => x.DifficultyId == difficultyId && x.Chapter == chapterId);
+
+                if (chapter is not null && chapter.RewardId > 0)
+                {
+                    var receivedRewardChapters = user.ResetableData.SimRoomData.ReceivedRewardChapters;
+                    var receivedRewardChapter = receivedRewardChapters
+                        .OrderBy(x => x.Difficulty)
+                        .ThenBy(x => x.Chapter)
+                        .LastOrDefault();
+                    SimulationRoomChapterRecord? receivedRewardChapterRecord = null;
+                    if (receivedRewardChapter is not null)
+                    {
+                        receivedRewardChapterRecord = allChapterRecords
+                            .FirstOrDefault(x => x.DifficultyId == receivedRewardChapter.Difficulty
+                                              && x.Chapter == receivedRewardChapter.Chapter);
+                    }
+
+                    reward = new NetRewardData();
+                    if (receivedRewardChapterRecord is null)
+                    {
+                        // Claiming the reward for the first time
+                        reward = RewardUtils.RegisterRewardsForUser(user, rewardId: chapter.RewardId);
+                        AddRewardChapter(user, difficultyId, chapterId);
+                    }
+                    // Check if the received reward chapter is lower than the current chapter
+                    else if (receivedRewardChapterRecord.DifficultyId == difficultyId && receivedRewardChapterRecord.Chapter < chapter.Chapter)
+                    {
+                        // Claiming the reward for a higher chapter
+                        reward = CalculateIncrementalReward(user, chapter, receivedRewardChapterRecord);
+                        AddRewardChapter(user, difficultyId, chapterId);
+                    }
+                    // Check if the received reward chapter is lower than the current difficulty
+                    else if (receivedRewardChapterRecord.DifficultyId < difficultyId)
+                    {
+                        // Claiming the reward for a higher difficulty
+                        reward = RewardUtils.RegisterRewardsForUser(user, rewardId: chapter.RewardId);
+                        AddRewardChapter(user, difficultyId, chapterId);
+                    }
+                }
+            }
+            return reward;
+        }
+
+        /// <summary>
+        /// Check if reward is received
+        /// </summary>
+        /// <returns>True if reward is received, otherwise false</returns>
+        private static bool IsRewardReceived(User user, int difficultyId, int chapterId)
+        {
+            var isReceived = user.ResetableData.SimRoomData.ReceivedRewardChapters.Any(x => x.Chapter == chapterId && x.Difficulty == difficultyId);
+            log.Debug($"IsRewardReceived (diff: {difficultyId}, chapter: {chapterId}): {isReceived}");
+            return isReceived;
+        }
+        /// <summary>
+        /// Add reward chapter
+        /// </summary>
+        private static void AddRewardChapter(User user, int difficulty, int chapter)
+        {
+            user.ResetableData.SimRoomData.ReceivedRewardChapters.Add(new SimRoomChapterInfo()
+            {
+                Difficulty = difficulty,
+                Chapter = chapter
+            });
+        }
+
+        /// <summary>
+        /// Calculate incremental reward
+        /// </summary>
+        /// <returns>Incremental reward data</returns>
+        private static NetRewardData CalculateIncrementalReward(User user,
+            SimulationRoomChapterRecord chapter, SimulationRoomChapterRecord receivedChapterRecord)
+        {
+            var reward = new NetRewardData();
+            var rewardRecord = GameData.Instance.GetRewardTableEntry(chapter.RewardId);
+            var receivedRewardRecord = GameData.Instance.GetRewardTableEntry(receivedChapterRecord.RewardId);
+
+            if (rewardRecord?.Rewards == null || receivedRewardRecord?.Rewards == null)
+            {
+                // If rewardRecord or receivedRewardRecord is empty, return the complete reward record
+                reward = RewardUtils.RegisterRewardsForUser(user, rewardId: chapter.RewardId);
+            }
+            else
+            {
+                var receivedRewardIds = receivedRewardRecord.Rewards
+                    .Where(x => x != null)
+                    .ToDictionary(x => x.RewardId, x => x.RewardValue);
+
+                foreach (var rewardItem in rewardRecord.Rewards.Where(x => x != null))
+                {
+                    int receivedAmount = receivedRewardIds.GetValueOrDefault(rewardItem.RewardId, 0);
+                    int remainingAmount = Math.Max(0, rewardItem.RewardValue - receivedAmount);
+
+                    if (remainingAmount > 0)
+                    {
+                        RewardUtils.AddSingleObject(user, ref reward, rewardItem.RewardId,
+                            rewardType: rewardItem.RewardType, remainingAmount);
+                    }
+                }
+            }
+
+            return reward;
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimpleModeSelectBuff.cs b/EpinelPS/LobbyServer/Simroom/SimpleModeSelectBuff.cs
new file mode 100644
index 0000000..0b19a3d
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimpleModeSelectBuff.cs
@@ -0,0 +1,47 @@
+using EpinelPS.Utils;
+using EpinelPS.Database;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/simplemode/selectbuff")]
+    public class SimpleModeSelectBuff : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            // { "buffToAdd": 1010106, "buffToDelete": 1010105 }
+            ReqSelectSimRoomSimpleModeBuff req = await ReadData<ReqSelectSimRoomSimpleModeBuff>();
+            User user = GetUser();
+
+
+            List<int> buffs = user.ResetableData.SimRoomData.Buffs;
+            List<int> legacyBuffs = user.ResetableData.SimRoomData.LegacyBuffs;
+            if (req.BuffToDelete > 0)
+            {
+                if (buffs.Contains(req.BuffToDelete)) buffs.Remove(req.BuffToDelete);
+                if (legacyBuffs.Contains(req.BuffToDelete)) legacyBuffs.Remove(req.BuffToDelete);
+            }
+
+            if (req.BuffToAdd > 0)
+            {
+                if (!buffs.Contains(req.BuffToDelete)) buffs.Add(req.BuffToDelete);
+                if (!legacyBuffs.Contains(req.BuffToDelete)) legacyBuffs.Add(req.BuffToDelete);
+            }
+
+            ResSelectSimRoomSimpleModeBuff response = new()
+            {
+                Result = SimRoomResult.Reset,
+                NextSimpleModeBuffSelectionInfo = new()
+                {
+                    RemainingBuffSelectCount = 8 - buffs.Count,
+                    BuffOptions = { buffs },
+                },
+            };
+
+            user.ResetableData.SimRoomData.Entered = false;
+
+            JsonDb.Save();
+
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimpleModeSetSkipOption.cs b/EpinelPS/LobbyServer/Simroom/SimpleModeSetSkipOption.cs
new file mode 100644
index 0000000..4d666a2
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimpleModeSetSkipOption.cs
@@ -0,0 +1,24 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/simplemode/setskipoption")]
+    public class SimpleModeSetSkipOption : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            var req = await ReadData<ReqSetSimRoomSimpleModeSkipOption>();
+            // ReqSetSimRoomSimpleModeSkipOption Fields
+            // bool Enabled
+            User user = GetUser();
+
+            ResSetSimRoomSimpleModeSkipOption response = new();
+
+            user.ResetableData.SimRoomData.IsSimpleModeSkipEnabled = req.Enabled;
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimpleModeSkipAll.cs b/EpinelPS/LobbyServer/Simroom/SimpleModeSkipAll.cs
new file mode 100644
index 0000000..d26ffd1
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimpleModeSkipAll.cs
@@ -0,0 +1,41 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/simplemode/skipall")]
+    public class SimpleModeSkipAll : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            await ReadData<ReqSkipAllSimRoomSimpleMode>();
+            var user = GetUser();
+
+            // ResSkipAllSimRoomSimpleMode Fields
+            //  SimRoomResult Result
+            //  NetRewardData Reward
+            //  NetRewardData RewardByRewardUpEvent
+
+            ResSkipAllSimRoomSimpleMode response = new()
+            {
+                Result = SimRoomResult.Success
+            };
+
+            // Reward
+            try
+            {
+                user.ResetableData.SimRoomData.CurrentDifficulty = 5;
+                user.ResetableData.SimRoomData.CurrentChapter = 3;
+                var reward = SimRoomHelper.SimRoomReceivedReward(user, 5, 3); // 5 = difficulty, 3 = stage
+                if (reward is not null) response.Reward = reward;
+            }
+            catch (Exception ex)
+            {
+                Logging.WriteLine($"SkipAllSimpleMode Reward Exception: {ex.Message}", LogType.Error);
+            }
+
+            JsonDb.Save();
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimpleModeSkipBuffSelection.cs b/EpinelPS/LobbyServer/Simroom/SimpleModeSkipBuffSelection.cs
new file mode 100644
index 0000000..d30c088
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimpleModeSkipBuffSelection.cs
@@ -0,0 +1,25 @@
+using EpinelPS.Utils;
+using EpinelPS.Database;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/simplemode/skipbuffselection")]
+    public class SimpleModeSkipBuffSelection : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            await ReadData<ReqSkipSimRoomSimpleModeBuffSelection>();
+            User user = GetUser();
+            ResSkipSimRoomSimpleModeBuffSelection response = new()
+            {
+                Result = SimRoomResult.Reset,
+            };
+            
+            user.ResetableData.SimRoomData.Entered = false;
+
+            JsonDb.Save();
+
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/LobbyServer/Simroom/SimpleModeStart.cs b/EpinelPS/LobbyServer/Simroom/SimpleModeStart.cs
new file mode 100644
index 0000000..db63f9d
--- /dev/null
+++ b/EpinelPS/LobbyServer/Simroom/SimpleModeStart.cs
@@ -0,0 +1,65 @@
+using EpinelPS.Database;
+using EpinelPS.Utils;
+
+namespace EpinelPS.LobbyServer.Simroom
+{
+    [PacketPath("/simroom/simplemode/start")]
+    public class SimpleModeStart : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            await ReadData<ReqStartSimRoomSimpleMode>();
+            User user = GetUser();
+
+            // ResStartSimRoomSimpleMode Fields
+            //  SimRoomResult Result
+            //  RepeatedField<NetSimRoomEvent> Events
+            //  NextSimpleModeBuffSelectionInfo
+
+            ResStartSimRoomSimpleMode response = new()
+            {
+                Result = SimRoomResult.Success,
+                // NextSimpleModeBuffSelectionInfo = new()
+                // {
+                //     BuffOptions = { user.ResetableData.SimRoomData.LegacyBuffs }
+                // }
+            };
+
+
+            // Events
+            try
+            {
+                user.ResetableData.SimRoomData.Entered = true;
+                var simRoomEvents = SimRoomHelper.GetSimRoomEvents(user, 5, 3); // 5 = difficulty, 3 = stage
+                if (simRoomEvents is not null)
+                {
+                    foreach (var simRoomEvent in simRoomEvents)
+                    {
+                        // Check if event is battle and is first order
+                        if (simRoomEvent.EventCase == NetSimRoomEvent.EventOneofCase.Battle && simRoomEvent.Location.Order == 1)
+                        {
+                            var location = simRoomEvent.Location;
+                            if (location is null) continue;
+                            SimRoomHelper.GetBuffOptions(user, location);
+                        }
+                    }
+                    JsonDb.Save();
+
+                    var userSimRoomEvents = user.ResetableData.SimRoomData.Events;
+                    if (userSimRoomEvents is not null)
+                    {
+                       simRoomEvents = [.. userSimRoomEvents.Select(SimRoomHelper.MToNet)];
+                    }
+                    // Add events to response
+                    response.Events.AddRange(simRoomEvents);
+                }
+            }
+            catch (Exception ex)
+            {
+                Logging.WriteLine($"SimpleModeStart Events Exception: {ex.Message}", LogType.Error);
+            }
+
+            await WriteDataAsync(response);
+        }
+    }
+}
\ No newline at end of file
diff --git a/EpinelPS/Models/DbModels.cs b/EpinelPS/Models/DbModels.cs
index f30402d..3b8a1af 100644
--- a/EpinelPS/Models/DbModels.cs
+++ b/EpinelPS/Models/DbModels.cs
@@ -65,17 +65,17 @@ namespace EpinelPS.Models
         // For harmony cubes that can be equipped to multiple characters
         public List<long> CsnList = [];
     }
-    
+
     public class EquipmentAwakeningData
     {
         public long Isn;
         public NetEquipmentAwakeningOption Option;
-        public bool IsNewData; 
-        
+        public bool IsNewData;
+
         public EquipmentAwakeningData()
         {
             Option = new NetEquipmentAwakeningOption();
-            IsNewData = false; 
+            IsNewData = false;
         }
     }
     public class EventData
@@ -115,12 +115,66 @@ namespace EpinelPS.Models
         public int Defense;
         public int Hp;
     }
-    public class SimroomData
+
+    // Simroom Data
+    public class SimRoomData
     {
         public int CurrentDifficulty;
         public int CurrentChapter;
+        public List<int> Buffs = [];
+        public List<int> LegacyBuffs = [];
+        public List<SimRoomEvent> Events = [];
+        public List<SimRoomCharacterHp> RemainingHps = [];
+        public List<SimRoomChapterInfo> ReceivedRewardChapters = [];
+        public bool IsSimpleModeSkipEnabled = false;
         public bool Entered = false;
     }
+    public class SimRoomEvent
+    {
+        public SimRoomEventLocationInfo Location = new();
+        public bool Selected;
+        public SimRoomBattleEvent Battle = new();
+        public SimRoomSelectionEvent Selection = new();
+        public int EventCase;
+    }
+    public class SimRoomEventLocationInfo
+    {
+        public int Chapter;
+        public int Stage;
+        public int Order;
+    }
+    public class SimRoomChapterInfo
+    {
+        public int Difficulty;
+        public int Chapter;
+    }
+    public class SimRoomBattleEvent
+    {
+        public int Id;
+        public List<int> BuffOptions = [];
+        public int Progress;
+        public int RemainingTargetHealth;
+        public int BuffPreviewId;
+    }
+    public class SimRoomSelectionEvent
+    {
+        public int Id;
+        public int SelectedNumber;
+        public List<SimRoomSelectionGroupElement> Group = [];
+    }
+    public class SimRoomSelectionGroupElement
+    {
+        public int SelectionNumber;
+        public int Id;
+        public bool IsDone;
+        public int RandomBuff;
+    }
+    public class SimRoomCharacterHp
+    {
+        public long Csn;
+        public int Hp;
+    }
+
     public class ResetableData
     {
         public int WipeoutCount = 0;
@@ -128,10 +182,10 @@ namespace EpinelPS.Models
         public int InterceptionTickets = 3;
         public List<int> CompletedDailyMissions = [];
         public int DailyMissionPoints;
-        public SimroomData SimRoomData = new();
+        public SimRoomData SimRoomData = new();
 
         public Dictionary<int, int> DailyCounselCount = [];
-    
+
     }
     public class WeeklyResetableData
     {
@@ -267,7 +321,7 @@ namespace EpinelPS.Models
         public bool RecievedFinalReward { get; set; }
         public bool CompletedPerfectly { get; set; }
     }
-    
+
     public class PassRankData
     {
         public int PassRank { get; set; } = 0;
diff --git a/EpinelPS/Models/UserModel.cs b/EpinelPS/Models/UserModel.cs
index e144578..b2284e8 100644
--- a/EpinelPS/Models/UserModel.cs
+++ b/EpinelPS/Models/UserModel.cs
@@ -3,6 +3,7 @@ using EpinelPS.Database;
 using EpinelPS.Utils;
 
 namespace EpinelPS.Models;
+
 public class ClearedTutorialData
 {
     public int Id;
@@ -34,6 +35,7 @@ public class User
     public DateTime BanEnd;
     public int BanId = 0;
     public DateTime LastReset = DateTime.MinValue;
+    public DateTime LastWeeklyReset = DateTime.MinValue;
 
     // Game data
     public List<string> CompletedScenarios = [];
@@ -86,7 +88,7 @@ public class User
     public List<int> Memorial = [];
     public List<int> JukeboxBgm = [];
     public List<NetUserFavoriteItemData> FavoriteItems = [];
-    
+
     public List<NetUserFavoriteItemQuestData> FavoriteItemQuests = [];
     public Dictionary<int, int> TowerProgress = [];
 
@@ -403,7 +405,36 @@ public class User
         return LastReset < todayResetTime;
     }
 
-    public void ResetDataIfNeeded()
+    private bool ShouldResetWeekly()
+    {
+        var nowLocal = DateTime.UtcNow;
+
+        // Calculate the most recent Tuesday reset time
+        DayOfWeek currentDay = nowLocal.DayOfWeek;
+        int daysSinceTuesday = ((int)currentDay - (int)DayOfWeek.Tuesday + 7) % 7;
+
+        // Get the date of the most recent Tuesday
+        DateTime thisTuesday = nowLocal.Date.AddDays(-daysSinceTuesday);
+
+        // Compute the weekly reset time
+        DateTime weeklyResetTime = new(
+            thisTuesday.Year,
+            thisTuesday.Month,
+            thisTuesday.Day,
+            JsonDb.Instance.ResetHourUtcTime, 0, 0
+        );
+
+        // If nowLocal is before the weekly reset time, subtract a week
+        if (nowLocal < weeklyResetTime)
+        {
+            weeklyResetTime = weeklyResetTime.AddDays(-7);
+        }
+
+        // If user's last reset was before the last scheduled 2 PM, they need reset
+        return LastWeeklyReset < weeklyResetTime;
+    }
+
+    /*public void ResetDataIfNeeded()
     {
         if (!ShouldResetUser()) return;
 
@@ -412,5 +443,41 @@ public class User
         LastReset = DateTime.UtcNow;
         ResetableData = new();
         JsonDb.Save();
+    }*/
+
+    public void ResetDataIfNeeded()
+    {
+        bool needsSave = false;
+
+        // Check daily reset
+        if (ShouldResetUser())
+        {
+            Logging.WriteLine("Resetting daily user data...", LogType.Warning);
+
+            LastReset = DateTime.UtcNow;
+            ResetableData = new()
+            {
+                SimRoomData = new()
+                {
+                    LegacyBuffs = ResetableData.SimRoomData.LegacyBuffs // Retain old LegacyBuffs data
+                }
+            };
+            needsSave = true;
+        }
+
+        // Check weekly reset
+        if (ShouldResetWeekly())
+        {
+            Logging.WriteLine("Resetting weekly user data...", LogType.Warning);
+
+            LastWeeklyReset = DateTime.UtcNow;
+            ResetableData = new();
+            needsSave = true;
+        }
+
+        if (needsSave)
+        {
+            JsonDb.Save();
+        }
     }
 }
\ No newline at end of file
diff --git a/EpinelPS/Utils/DateTimeHelper.cs b/EpinelPS/Utils/DateTimeHelper.cs
new file mode 100644
index 0000000..c791e0f
--- /dev/null
+++ b/EpinelPS/Utils/DateTimeHelper.cs
@@ -0,0 +1,90 @@
+
+namespace EpinelPS.Utils
+{
+    public static class DateTimeHelper
+    {
+        /// <summary>
+        /// Get the specified time of the next day in the specified time zone
+        /// </summary>
+        /// <param name="timeZoneId">Time zone ID, such as "China Standard Time", "Eastern Standard Time", "UTC"</param>
+        /// <param name="hour">Hours (0-23)</param>
+        /// <param name="minute">Minutes (0-59)</param>
+        /// <returns>The specified time of the next day</returns>
+        public static DateTime GetNextDayAtTime(string timeZoneId = "", int hour = 0, int minute = 0)
+        {
+            // Get the current time of the target time zone and the current time zone
+            (DateTime currentTime, TimeZoneInfo tz) = GetCurrentTimeWithZone(timeZoneId);
+
+            DateTime nextDay = new DateTime(currentTime.Year, currentTime.Month, currentTime.Day, hour, minute, 0).AddDays(1);
+
+            return TimeZoneInfo.ConvertTimeToUtc(nextDay, tz);
+        }
+
+        /// <summary>
+        /// Get the next specified day of the week + specified time in the specified time zone
+        /// </summary>
+        /// <param name="timeZoneId">Time zone ID, such as "China Standard Time"、"Eastern Standard Time"、"UTC"</param>
+        /// <param name="targetDay">Target day of the week, for example DayOfWeek.Monday</param>
+        /// <param name="hour">Hours (0-23)</param>
+        /// <param name="minute">Minutes (0-59)</param>
+        /// <returns>Next specified day of the week Specified time </returns>
+        public static DateTime GetNextWeekdayAtTime(string timeZoneId, DayOfWeek targetDay, int hour, int minute = 0)
+        {
+            // Get the current time of the target time zone and the current time zone
+            (DateTime currentTime, TimeZoneInfo tz) = GetCurrentTimeWithZone(timeZoneId);
+
+            // Calculate the number of days until the target weekday
+            int daysUntilTarget = ((int)targetDay - (int)currentTime.DayOfWeek + 7) % 7;
+            if (daysUntilTarget == 0) daysUntilTarget = 7; // If today is the target day of the week, take next week
+
+            DateTime nextWeekday = new DateTime(currentTime.Year, currentTime.Month, currentTime.Day, hour, minute, 0).AddDays(daysUntilTarget);
+
+            return TimeZoneInfo.ConvertTimeToUtc(nextWeekday, tz);
+        }
+
+        /// <summary>
+        /// Get a specific day of next month in the specified time zone at a specified time
+        /// </summary>
+        /// <param name="timeZoneId">Time zone ID, such as "China Standard Time"、"Eastern Standard Time"、"UTC"</param>
+        /// <param name="day">Target date (1-31, ensure that this date exists in the month)</param>
+        /// <param name="hour">Hours (0-23)</param>
+        /// <param name="minute">Minutes (0-59)</param>
+        /// <returns>Specified date and time next month</returns>
+        public static DateTime GetNextMonthDayAtTime(string timeZoneId, int day, int hour, int minute = 0)
+        {
+            // Get the current time of the target time zone and the current time zone
+            (DateTime currentTime, TimeZoneInfo tz) = GetCurrentTimeWithZone(timeZoneId);
+
+            // Calculate the year and month of next month
+            int year = currentTime.Month == 12 ? currentTime.Year + 1 : currentTime.Year;
+            int month = currentTime.Month == 12 ? 1 : currentTime.Month + 1;
+
+            // Ensure the date is valid (avoid situations like 30th February)
+            int daysInMonth = DateTime.DaysInMonth(year, month);
+            int targetDay = Math.Min(day, daysInMonth);
+
+            // Construct target time
+            DateTime target = new(year, month, targetDay, hour, minute, 0);
+
+            return TimeZoneInfo.ConvertTimeToUtc(target, tz);
+        }
+
+        /// <summary>
+        /// Get the current time and timezone object for a specified timezone
+        /// </summary>
+        /// <param name="timeZoneId">Time zone ID, such as "China Standard Time"、"Eastern Standard Time"、"UTC"</param>
+        /// <returns>(currentTime, tz) tuple</returns>
+        public static (DateTime currentTime, TimeZoneInfo tz) GetCurrentTimeWithZone(string timeZoneId)
+        {
+
+            // Get the target time zone
+            TimeZoneInfo tz = TimeZoneInfo.Local;
+            if (timeZoneId != null && timeZoneId != "")
+                tz = TimeZoneInfo.FindSystemTimeZoneById(timeZoneId);
+            DateTime currentTime = TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, tz);
+            return (currentTime, tz);
+        }
+
+    }
+}
+
diff --git a/EpinelPS/gameconfig.json b/EpinelPS/gameconfig.json
index db87b88..c7984ae 100644
--- a/EpinelPS/gameconfig.json
+++ b/EpinelPS/gameconfig.json
@@ -1,11 +1,11 @@
 {
   "StaticDataMpk": {
-    "Url": "https://cloud.nikke-kr.com/prdenv/139-cf218bd245/staticdata/data/qa-251030-10b/473550/mpk/StaticData.pack",
-    "Version": "data/qa-251030-10b/473550",
-    "Salt1": "UfBN5TYtYG7pAY6lxoZXyA7tBOf1rdoPKfxbdB/6n0M=",
-    "Salt2": "zgmjiq+i9OdM6TjDHKav1JepFUaWLXRtismYpUk7lt4="
+    "Url": "https://cloud.nikke-kr.com/prdenv/139-c596af726e/staticdata/data/qa-251120-10b-p1/477874/mpk/StaticData.pack",
+    "Version": "data/qa-251120-10b-p1/477874",
+    "Salt1": "t8iCAEGhWUzYFk6umjwwxY6Y4IrqGQcil/rAG6M/ofw=",
+    "Salt2": "eBWJaf2wR/WdkfhYEc9x7gHmZX8inyrDf6sA5l7N4zk="
   },
-  "ResourceBaseURL": "https://cloud.nikke-kr.com/prdenv/139-bfaa7caf86/{Platform}",
+  "ResourceBaseURL": "https://cloud.nikke-kr.com/prdenv/139-b131234cad/{Platform}",
   "GameMinVer": "100.0.1",
   "GameMaxVer": "150.0.2",
   "TargetVersion": "139.8.13"