diff --git a/network/mhfpacket/msg_mhf_update_myhouse_info.go b/network/mhfpacket/msg_mhf_update_myhouse_info.go
index 469920127..c5bf26d7a 100644
--- a/network/mhfpacket/msg_mhf_update_myhouse_info.go
+++ b/network/mhfpacket/msg_mhf_update_myhouse_info.go
@@ -1,17 +1,18 @@
 package mhfpacket
 
-import ( 
- "errors" 
+import (
+	"errors"
 
- 	"erupe-ce/network/clientctx"
-	"erupe-ce/network"
 	"erupe-ce/common/byteframe"
+	_config "erupe-ce/config"
+	"erupe-ce/network"
+	"erupe-ce/network/clientctx"
 )
 
 // MsgMhfUpdateMyhouseInfo represents the MSG_MHF_UPDATE_MYHOUSE_INFO
 type MsgMhfUpdateMyhouseInfo struct {
 	AckHandle uint32
-	Unk0      []byte
+	Data      []byte
 }
 
 // Opcode returns the ID associated with this packet type.
@@ -22,7 +23,16 @@ func (m *MsgMhfUpdateMyhouseInfo) Opcode() network.PacketID {
 // Parse parses the packet from binary
 func (m *MsgMhfUpdateMyhouseInfo) Parse(bf *byteframe.ByteFrame, ctx *clientctx.ClientContext) error {
 	m.AckHandle = bf.ReadUint32()
-	m.Unk0 = bf.ReadBytes(0x16A)
+	if _config.ErupeConfig.RealClientMode >= _config.G10 {
+		m.Data = bf.ReadBytes(362)
+	} else if _config.ErupeConfig.RealClientMode >= _config.GG {
+		m.Data = bf.ReadBytes(338)
+	} else if _config.ErupeConfig.RealClientMode >= _config.F5 {
+		// G1 is a guess
+		m.Data = bf.ReadBytes(314)
+	} else {
+		m.Data = bf.ReadBytes(290)
+	}
 	return nil
 }
 
diff --git a/server/channelserver/handlers_character.go b/server/channelserver/handlers_character.go
index bdbd2f744..4c5802293 100644
--- a/server/channelserver/handlers_character.go
+++ b/server/channelserver/handlers_character.go
@@ -19,7 +19,7 @@ const (
 	pRP                   // +2
 	pHouseTier            // +5
 	pHouseData            // +195
-	pBookshelfData        // +5576
+	pBookshelfData        // +lBookshelfData
 	pGalleryData          // +1748
 	pToreData             // +240
 	pGardenData           // +68
@@ -28,6 +28,7 @@ const (
 	pHRP                  // +2
 	pGRP                  // +4
 	pKQF                  // +8
+	lBookshelfData
 )
 
 type CharacterSaveData struct {
@@ -55,7 +56,7 @@ type CharacterSaveData struct {
 }
 
 func getPointers() map[SavePointer]int {
-	pointers := map[SavePointer]int{pGender: 81}
+	pointers := map[SavePointer]int{pGender: 81, lBookshelfData: 5576}
 	switch _config.ErupeConfig.RealClientMode {
 	case _config.ZZ:
 		pointers[pWeaponID] = 128522
@@ -83,6 +84,22 @@ func getPointers() map[SavePointer]int {
 		pointers[pGardenData] = 106424
 		pointers[pRP] = 106614
 		pointers[pKQF] = 110720
+	case _config.F5, _config.F4:
+		pointers[pWeaponID] = 60522
+		pointers[pWeaponType] = 60789
+		pointers[pHouseTier] = 61900
+		pointers[pToreData] = 62228
+		pointers[pHRP] = 62550
+		pointers[pHouseData] = 62561
+		pointers[pBookshelfData] = 57118 // This pointer only half works
+		pointers[pGalleryData] = 72064
+		pointers[pGardenData] = 74424
+		pointers[pRP] = 74614
+	}
+	if _config.ErupeConfig.RealClientMode == _config.G5 {
+		pointers[lBookshelfData] = 5548
+	} else if _config.ErupeConfig.RealClientMode <= _config.GG {
+		pointers[lBookshelfData] = 4520
 	}
 	return pointers
 }
@@ -179,6 +196,8 @@ func (save *CharacterSaveData) updateSaveDataWithStruct() {
 	if _config.ErupeConfig.RealClientMode >= _config.G10 {
 		copy(save.decompSave[save.Pointers[pRP]:save.Pointers[pRP]+2], rpBytes)
 		copy(save.decompSave[save.Pointers[pKQF]:save.Pointers[pKQF]+8], save.KQF)
+	} else if _config.ErupeConfig.RealClientMode == _config.F5 || _config.ErupeConfig.RealClientMode == _config.F4 {
+		copy(save.decompSave[save.Pointers[pRP]:save.Pointers[pRP]+2], rpBytes)
 	}
 }
 
@@ -191,21 +210,24 @@ func (save *CharacterSaveData) updateStructWithSaveData() {
 		save.Gender = false
 	}
 	if !save.IsNewCharacter {
-		if _config.ErupeConfig.RealClientMode >= _config.G10 {
+		if (_config.ErupeConfig.RealClientMode >= _config.F4 && _config.ErupeConfig.RealClientMode <= _config.F5) || _config.ErupeConfig.RealClientMode >= _config.G10 {
 			save.RP = binary.LittleEndian.Uint16(save.decompSave[save.Pointers[pRP] : save.Pointers[pRP]+2])
 			save.HouseTier = save.decompSave[save.Pointers[pHouseTier] : save.Pointers[pHouseTier]+5]
 			save.HouseData = save.decompSave[save.Pointers[pHouseData] : save.Pointers[pHouseData]+195]
-			save.BookshelfData = save.decompSave[save.Pointers[pBookshelfData] : save.Pointers[pBookshelfData]+5576]
+			save.BookshelfData = save.decompSave[save.Pointers[pBookshelfData] : save.Pointers[pBookshelfData]+save.Pointers[lBookshelfData]]
 			save.GalleryData = save.decompSave[save.Pointers[pGalleryData] : save.Pointers[pGalleryData]+1748]
 			save.ToreData = save.decompSave[save.Pointers[pToreData] : save.Pointers[pToreData]+240]
 			save.GardenData = save.decompSave[save.Pointers[pGardenData] : save.Pointers[pGardenData]+68]
 			save.WeaponType = save.decompSave[save.Pointers[pWeaponType]]
 			save.WeaponID = binary.LittleEndian.Uint16(save.decompSave[save.Pointers[pWeaponID] : save.Pointers[pWeaponID]+2])
 			save.HRP = binary.LittleEndian.Uint16(save.decompSave[save.Pointers[pHRP] : save.Pointers[pHRP]+2])
+		}
+
+		if _config.ErupeConfig.RealClientMode >= _config.G10 {
+			save.KQF = save.decompSave[save.Pointers[pKQF] : save.Pointers[pKQF]+8]
 			if save.HRP == uint16(999) {
 				save.GR = grpToGR(binary.LittleEndian.Uint32(save.decompSave[save.Pointers[pGRP] : save.Pointers[pGRP]+4]))
 			}
-			save.KQF = save.decompSave[save.Pointers[pKQF] : save.Pointers[pKQF]+8]
 		}
 	}
 	return
diff --git a/server/channelserver/handlers_festa.go b/server/channelserver/handlers_festa.go
index 95cc14e0d..7ca50d9d1 100644
--- a/server/channelserver/handlers_festa.go
+++ b/server/channelserver/handlers_festa.go
@@ -227,6 +227,7 @@ func handleMsgMhfInfoFesta(s *Session, p mhfpacket.MHFPacket) {
 	}
 
 	// The Winner and Loser Armor IDs are missing
+	// Item 7011 may not exist in older versions, remove to prevent crashes
 	rewards := []FestaReward{
 		{1, 0, 7, 350, 1520, 0, 0, 0},
 		{1, 0, 7, 1000, 7011, 0, 0, 1},
@@ -254,6 +255,7 @@ func handleMsgMhfInfoFesta(s *Session, p mhfpacket.MHFPacket) {
 		{5, 0, 13, 0, 0, 0, 0, 0},
 		//{5, 0, 1, 0, 0, 0, 0, 0},
 	}
+
 	bf.WriteUint16(uint16(len(rewards)))
 	for _, reward := range rewards {
 		bf.WriteUint8(reward.Unk0)
@@ -261,11 +263,13 @@ func handleMsgMhfInfoFesta(s *Session, p mhfpacket.MHFPacket) {
 		bf.WriteUint16(reward.ItemType)
 		bf.WriteUint16(reward.Quantity)
 		bf.WriteUint16(reward.ItemID)
-		bf.WriteUint16(reward.Unk5)
-		bf.WriteUint16(reward.Unk6)
-		bf.WriteUint8(reward.Unk7)
+		// Not confirmed to be G1 but exists in G3
+		if _config.ErupeConfig.RealClientMode >= _config.G1 {
+			bf.WriteUint16(reward.Unk5)
+			bf.WriteUint16(reward.Unk6)
+			bf.WriteUint8(reward.Unk7)
+		}
 	}
-
 	if _config.ErupeConfig.RealClientMode <= _config.G61 {
 		if s.server.erupeConfig.GameplayOptions.MaximumFP > 0xFFFF {
 			s.server.erupeConfig.GameplayOptions.MaximumFP = 0xFFFF
diff --git a/server/channelserver/handlers_house.go b/server/channelserver/handlers_house.go
index 4cc53d303..560e73ec7 100644
--- a/server/channelserver/handlers_house.go
+++ b/server/channelserver/handlers_house.go
@@ -119,7 +119,9 @@ func handleMsgMhfEnumerateHouse(s *Session, p mhfpacket.MHFPacket) {
 			bf.WriteUint8(0)
 		}
 		bf.WriteUint16(house.HRP)
-		bf.WriteUint16(house.GR)
+		if _config.ErupeConfig.RealClientMode >= _config.G10 {
+			bf.WriteUint16(house.GR)
+		}
 		ps.Uint8(bf, house.Name, true)
 	}
 	bf.Seek(0, 0)
@@ -238,8 +240,8 @@ func handleMsgMhfGetMyhouseInfo(s *Session, p mhfpacket.MHFPacket) {
 
 func handleMsgMhfUpdateMyhouseInfo(s *Session, p mhfpacket.MHFPacket) {
 	pkt := p.(*mhfpacket.MsgMhfUpdateMyhouseInfo)
-	s.server.db.Exec("UPDATE user_binary SET mission=$1 WHERE id=$2", pkt.Unk0, s.charID)
-	doAckSimpleSucceed(s, pkt.AckHandle, []byte{0x00, 0x00, 0x00, 0x00})
+	s.server.db.Exec("UPDATE user_binary SET mission=$1 WHERE id=$2", pkt.Data, s.charID)
+	doAckSimpleSucceed(s, pkt.AckHandle, make([]byte, 4))
 }
 
 func handleMsgMhfLoadDecoMyset(s *Session, p mhfpacket.MHFPacket) {