diff --git a/server/channelserver/handlers_guild_member.go b/internal/service/guild_member.go
similarity index 76%
rename from server/channelserver/handlers_guild_member.go
rename to internal/service/guild_member.go
index 4e97173df..5b6065a0f 100644
--- a/server/channelserver/handlers_guild_member.go
+++ b/internal/service/guild_member.go
@@ -1,7 +1,8 @@
-package channelserver
+package service
 
 import (
 	"erupe-ce/utils/db"
+	"erupe-ce/utils/logger"
 	"fmt"
 	"time"
 
@@ -46,15 +47,17 @@ func (gm *GuildMember) IsSubLeader() bool {
 	return gm.OrderIndex <= 3
 }
 
-func (gm *GuildMember) Save(s *Session) error {
+func (gm *GuildMember) Save() error {
 	db, err := db.GetDB()
+	logger := logger.Get()
+
 	if err != nil {
-		s.Logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
+		logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
 	}
 	_, err = db.Exec("UPDATE guild_characters SET avoid_leadership=$1, order_index=$2 WHERE character_id=$3", gm.AvoidLeadership, gm.OrderIndex, gm.CharID)
 
 	if err != nil {
-		s.Logger.Error(
+		logger.Error(
 			"failed to update guild member data",
 			zap.Error(err),
 			zap.Uint32("charID", gm.CharID),
@@ -91,10 +94,12 @@ SELECT * FROM (
 ) AS subquery
 `
 
-func GetGuildMembers(s *Session, guildID uint32, applicants bool) ([]*GuildMember, error) {
+func GetGuildMembers(guildID uint32, applicants bool) ([]*GuildMember, error) {
 	db, err := db.GetDB()
+	logger := logger.Get()
+
 	if err != nil {
-		s.Logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
+		logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
 	}
 	rows, err := db.Queryx(fmt.Sprintf(`
 			%s
@@ -102,7 +107,7 @@ func GetGuildMembers(s *Session, guildID uint32, applicants bool) ([]*GuildMembe
 	`, guildMembersSelectSQL), guildID, applicants)
 
 	if err != nil {
-		s.Logger.Error("failed to retrieve membership data for guild", zap.Error(err), zap.Uint32("guildID", guildID))
+		logger.Error("failed to retrieve membership data for guild", zap.Error(err), zap.Uint32("guildID", guildID))
 		return nil, err
 	}
 
@@ -111,7 +116,7 @@ func GetGuildMembers(s *Session, guildID uint32, applicants bool) ([]*GuildMembe
 	members := make([]*GuildMember, 0)
 
 	for rows.Next() {
-		member, err := buildGuildMemberObjectFromDBResult(rows, err, s)
+		member, err := buildGuildMemberObjectFromDBResult(rows, err)
 
 		if err != nil {
 			return nil, err
@@ -123,15 +128,17 @@ func GetGuildMembers(s *Session, guildID uint32, applicants bool) ([]*GuildMembe
 	return members, nil
 }
 
-func GetCharacterGuildData(s *Session, charID uint32) (*GuildMember, error) {
+func GetCharacterGuildData(charID uint32) (*GuildMember, error) {
 	db, err := db.GetDB()
+	logger := logger.Get()
+
 	if err != nil {
-		s.Logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
+		logger.Fatal(fmt.Sprintf("Failed to get database instance: %s", err))
 	}
 	rows, err := db.Queryx(fmt.Sprintf("%s	WHERE character_id=$1", guildMembersSelectSQL), charID)
 
 	if err != nil {
-		s.Logger.Error(fmt.Sprintf("failed to retrieve membership data for character '%d'", charID))
+		logger.Error(fmt.Sprintf("failed to retrieve membership data for character '%d'", charID))
 		return nil, err
 	}
 
@@ -143,16 +150,18 @@ func GetCharacterGuildData(s *Session, charID uint32) (*GuildMember, error) {
 		return nil, nil
 	}
 
-	return buildGuildMemberObjectFromDBResult(rows, err, s)
+	return buildGuildMemberObjectFromDBResult(rows, err)
 }
 
-func buildGuildMemberObjectFromDBResult(rows *sqlx.Rows, err error, s *Session) (*GuildMember, error) {
+func buildGuildMemberObjectFromDBResult(rows *sqlx.Rows, err error) (*GuildMember, error) {
+	logger := logger.Get()
+
 	memberData := &GuildMember{}
 
 	err = rows.StructScan(&memberData)
 
 	if err != nil {
-		s.Logger.Error("failed to retrieve guild data from database", zap.Error(err))
+		logger.Error("failed to retrieve guild data from database", zap.Error(err))
 		return nil, err
 	}
 
diff --git a/server/channelserver/handlers_festa.go b/server/channelserver/handlers_festa.go
index f0a861028..d5a366233 100644
--- a/server/channelserver/handlers_festa.go
+++ b/server/channelserver/handlers_festa.go
@@ -412,7 +412,7 @@ func handleMsgMhfEnumerateFestaMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
 		return
 	}
-	members, err := GetGuildMembers(s, guild.ID, false)
+	members, err := service.GetGuildMembers(guild.ID, false)
 	if err != nil {
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
 		return
@@ -420,7 +420,7 @@ func handleMsgMhfEnumerateFestaMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 	sort.Slice(members, func(i, j int) bool {
 		return members[i].Souls > members[j].Souls
 	})
-	var validMembers []*GuildMember
+	var validMembers []*service.GuildMember
 	for _, member := range members {
 		if member.Souls > 0 {
 			validMembers = append(validMembers, member)
diff --git a/server/channelserver/handlers_guild.go b/server/channelserver/handlers_guild.go
index f056e5ee3..663fdc59c 100644
--- a/server/channelserver/handlers_guild.go
+++ b/server/channelserver/handlers_guild.go
@@ -52,7 +52,7 @@ func HandleMsgMhfOperateGuild(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfOperateGuild)
 
 	guild, err := service.GetGuildInfoByID(pkt.GuildID)
-	characterGuildInfo, err := GetCharacterGuildData(s, s.CharID)
+	characterGuildInfo, err := service.GetCharacterGuildData(s.CharID)
 	if err != nil {
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
 		return
@@ -74,7 +74,7 @@ func HandleMsgMhfOperateGuild(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 		}
 		bf.WriteUint32(uint32(response))
 	case mhfpacket.OperateGuildResign:
-		guildMembers, err := GetGuildMembers(s, guild.ID, false)
+		guildMembers, err := service.GetGuildMembers(guild.ID, false)
 		if err == nil {
 			sort.Slice(guildMembers[:], func(i, j int) bool {
 				return guildMembers[i].OrderIndex < guildMembers[j].OrderIndex
@@ -84,8 +84,8 @@ func HandleMsgMhfOperateGuild(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 					guild.LeaderCharID = guildMembers[i].CharID
 					guildMembers[0].OrderIndex = guildMembers[i].OrderIndex
 					guildMembers[i].OrderIndex = 1
-					guildMembers[0].Save(s)
-					guildMembers[i].Save(s)
+					guildMembers[0].Save()
+					guildMembers[i].Save()
 					bf.WriteUint32(guildMembers[i].CharID)
 					break
 				}
@@ -250,7 +250,7 @@ func handleDonateRP(s *Session, amount uint16, guild *service.Guild, _type int)
 }
 
 func handleAvoidLeadershipUpdate(s *Session, pkt *mhfpacket.MsgMhfOperateGuild, avoidLeadership bool) {
-	characterGuildData, err := GetCharacterGuildData(s, s.CharID)
+	characterGuildData, err := service.GetCharacterGuildData(s.CharID)
 
 	if err != nil {
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
@@ -259,7 +259,7 @@ func handleAvoidLeadershipUpdate(s *Session, pkt *mhfpacket.MsgMhfOperateGuild,
 
 	characterGuildData.AvoidLeadership = avoidLeadership
 
-	err = characterGuildData.Save(s)
+	err = characterGuildData.Save()
 
 	if err != nil {
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
@@ -279,7 +279,7 @@ func HandleMsgMhfOperateGuildMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPack
 		return
 	}
 
-	actorCharacter, err := GetCharacterGuildData(s, s.CharID)
+	actorCharacter, err := service.GetCharacterGuildData(s.CharID)
 
 	if err != nil || (!actorCharacter.IsSubLeader() && guild.LeaderCharID != s.CharID) {
 		s.DoAckSimpleFail(pkt.AckHandle, make([]byte, 4))
@@ -351,7 +351,7 @@ func HandleMsgMhfInfoGuild(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 		guildComment := stringsupport.UTF8ToSJIS(guild.Comment)
 		guildLeaderName := stringsupport.UTF8ToSJIS(guild.LeaderName)
 
-		characterGuildData, err := GetCharacterGuildData(s, s.CharID)
+		characterGuildData, err := service.GetCharacterGuildData(s.CharID)
 		characterJoinedAt := uint32(0xFFFFFFFF)
 
 		if characterGuildData != nil && characterGuildData.JoinedAt != nil {
@@ -503,7 +503,7 @@ func HandleMsgMhfInfoGuild(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 			bf.WriteUint32(0) // No alliance
 		}
 
-		applicants, err := GetGuildMembers(s, guild.ID, true)
+		applicants, err := service.GetGuildMembers(guild.ID, true)
 		if err != nil || (characterGuildData != nil && !characterGuildData.CanRecruit()) {
 			bf.WriteUint16(0)
 		} else {
@@ -834,7 +834,7 @@ func HandleMsgMhfEnumerateGuildMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 		return
 	}
 
-	guildMembers, err := GetGuildMembers(s, guild.ID, false)
+	guildMembers, err := service.GetGuildMembers(guild.ID, false)
 
 	if err != nil {
 		s.Logger.Error("failed to retrieve guild")
@@ -884,7 +884,7 @@ func HandleMsgMhfEnumerateGuildMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 	if guild.AllianceID > 0 {
 		bf.WriteUint16(alliance.TotalMembers - uint16(len(guildMembers)))
 		if guild.ID != alliance.ParentGuildID {
-			mems, err := GetGuildMembers(s, alliance.ParentGuildID, false)
+			mems, err := service.GetGuildMembers(alliance.ParentGuildID, false)
 			if err != nil {
 				panic(err)
 			}
@@ -893,7 +893,7 @@ func HandleMsgMhfEnumerateGuildMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 			}
 		}
 		if guild.ID != alliance.SubGuild1ID {
-			mems, err := GetGuildMembers(s, alliance.SubGuild1ID, false)
+			mems, err := service.GetGuildMembers(alliance.SubGuild1ID, false)
 			if err != nil {
 				panic(err)
 			}
@@ -902,7 +902,7 @@ func HandleMsgMhfEnumerateGuildMember(s *Session, db *sqlx.DB, p mhfpacket.MHFPa
 			}
 		}
 		if guild.ID != alliance.SubGuild2ID {
-			mems, err := GetGuildMembers(s, alliance.SubGuild2ID, false)
+			mems, err := service.GetGuildMembers(alliance.SubGuild2ID, false)
 			if err != nil {
 				panic(err)
 			}
@@ -937,7 +937,7 @@ func HandleMsgMhfGetGuildManageRight(s *Session, db *sqlx.DB, p mhfpacket.MHFPac
 
 	bf := byteframe.NewByteFrame()
 	bf.WriteUint32(uint32(guild.MemberCount))
-	members, _ := GetGuildMembers(s, guild.ID, false)
+	members, _ := service.GetGuildMembers(guild.ID, false)
 	for _, member := range members {
 		bf.WriteUint32(member.CharID)
 		bf.WriteBool(member.Recruiter)
@@ -1021,7 +1021,7 @@ func HandleMsgMhfUpdateGuildIcon(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket)
 		panic(err)
 	}
 
-	characterInfo, err := GetCharacterGuildData(s, s.CharID)
+	characterInfo, err := service.GetCharacterGuildData(s.CharID)
 
 	if err != nil {
 		panic(err)
diff --git a/server/channelserver/handlers_guild_scout.go b/server/channelserver/handlers_guild_scout.go
index 07eaa83c2..35b9629a8 100644
--- a/server/channelserver/handlers_guild_scout.go
+++ b/server/channelserver/handlers_guild_scout.go
@@ -18,7 +18,7 @@ import (
 func HandleMsgMhfPostGuildScout(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfPostGuildScout)
 
-	actorCharGuildData, err := GetCharacterGuildData(s, s.CharID)
+	actorCharGuildData, err := service.GetCharacterGuildData(s.CharID)
 
 	if err != nil {
 		s.DoAckBufFail(pkt.AckHandle, make([]byte, 4))
@@ -95,7 +95,7 @@ func HandleMsgMhfPostGuildScout(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket)
 func HandleMsgMhfCancelGuildScout(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfCancelGuildScout)
 
-	guildCharData, err := GetCharacterGuildData(s, s.CharID)
+	guildCharData, err := service.GetCharacterGuildData(s.CharID)
 
 	if err != nil {
 		panic(err)
diff --git a/server/channelserver/handlers_house.go b/server/channelserver/handlers_house.go
index 89068666d..a8832d565 100644
--- a/server/channelserver/handlers_house.go
+++ b/server/channelserver/handlers_house.go
@@ -76,7 +76,7 @@ func handleMsgMhfEnumerateHouse(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket)
 		if err != nil || guild == nil {
 			break
 		}
-		guildMembers, err := GetGuildMembers(s, guild.ID, false)
+		guildMembers, err := service.GetGuildMembers(guild.ID, false)
 		if err != nil {
 			break
 		}
diff --git a/server/channelserver/handlers_mail.go b/server/channelserver/handlers_mail.go
index 642f77bea..3650d1ee6 100644
--- a/server/channelserver/handlers_mail.go
+++ b/server/channelserver/handlers_mail.go
@@ -132,13 +132,13 @@ func handleMsgMhfSendMail(s *Session, db *sqlx.DB, p mhfpacket.MHFPacket) {
 	`
 
 	if pkt.RecipientID == 0 { // Guild mail
-		g, err := GetGuildInfoByCharacterId(s, s.CharID)
+		g, err := service.GetGuildInfoByCharacterId(s.CharID)
 		if err != nil {
 			s.Logger.Error("Failed to get guild info for mail")
 			s.DoAckSimpleSucceed(pkt.AckHandle, make([]byte, 4))
 			return
 		}
-		gm, err := GetGuildMembers(s, g.ID, false)
+		gm, err := service.GetGuildMembers(g.ID, false)
 		if err != nil {
 			s.Logger.Error("Failed to get guild members for mail")
 			s.DoAckSimpleSucceed(pkt.AckHandle, make([]byte, 4))