diff --git a/Common/Data/Excel/ArItemExcel.cs b/Common/Data/Excel/ArItemExcel.cs
new file mode 100644
index 0000000..4c40d92
--- /dev/null
+++ b/Common/Data/Excel/ArItemExcel.cs
@@ -0,0 +1,21 @@
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("ar_item.json")]
+public class ArItemExcel : ExcelResource
+{
+    public uint Genre { get; set; }
+    public uint Detail { get; set; }
+    public uint Particular { get; set; }
+    public uint Level { get; set; }
+    public string I18n { get; set; } = "";
+
+    public override uint GetId()
+    {
+        return (Genre << 24) | (Detail << 16) | (Particular << 8) | Level;
+    }
+
+    public override void Loaded()
+    {
+        GameData.ArItemData.Add(GetId(), this);
+    }
+}
diff --git a/Common/Data/Excel/ManifestationExcel.cs b/Common/Data/Excel/ManifestationExcel.cs
new file mode 100644
index 0000000..1ab7684
--- /dev/null
+++ b/Common/Data/Excel/ManifestationExcel.cs
@@ -0,0 +1,24 @@
+using Newtonsoft.Json;
+
+namespace MikuSB.Data.Excel;
+
+[ResourceEntity("manifestation.json")]
+public class ManifestationExcel : ExcelResource
+{
+    public uint Genre { get; set; }
+    public uint Detail { get; set; }
+    public uint Particular { get; set; }
+    public uint Level { get; set; }
+    public string I18n { get; set; } = "";
+    [JsonProperty("profile")]public List<int> Profile { get; set; } = [];
+
+    public override uint GetId()
+    {
+        return (Genre << 24) | (Detail << 16) | (Particular << 8) | Level;
+    }
+
+    public override void Loaded()
+    {
+        GameData.ManifestationData.Add(GetId(), this);
+    }
+}
diff --git a/Common/Data/GameData.cs b/Common/Data/GameData.cs
index 046caa2..3de370a 100644
--- a/Common/Data/GameData.cs
+++ b/Common/Data/GameData.cs
@@ -12,6 +12,8 @@ public static class GameData
     public static Dictionary<int, BreakLevelLimitExcel> BreakLevelLimitData { get; private set; } = [];
     public static Dictionary<int, RecycleExcel> RecycleData { get; private set; } = [];
     public static Dictionary<uint, ChapterLevelExcel> ChapterLevelData { get; private set; } = [];
+    public static Dictionary<uint, ArItemExcel> ArItemData { get; private set; } = [];
+    public static Dictionary<uint, ManifestationExcel> ManifestationData { get; private set; } = [];
 }
 
 public static class GameResourceTemplateId
diff --git a/Common/Database/Inventory/InventoryData.cs b/Common/Database/Inventory/InventoryData.cs
index 029f25c..58476e5 100644
--- a/Common/Database/Inventory/InventoryData.cs
+++ b/Common/Database/Inventory/InventoryData.cs
@@ -19,7 +19,7 @@ public class InventoryData : BaseDatabaseDataHelper
     public Dictionary<uint, GameSkinInfo> Skins { get; set; } = [];  // Key: UniqueId
 }
 
-public abstract class BaseGameItemInfo
+public class BaseGameItemInfo
 {
     public uint UniqueId { get; set; }
     public ulong TemplateId { get; set; }
diff --git a/GameServer/Game/Inventory/InventoryManager.cs b/GameServer/Game/Inventory/InventoryManager.cs
index 9717d1a..584c538 100644
--- a/GameServer/Game/Inventory/InventoryManager.cs
+++ b/GameServer/Game/Inventory/InventoryManager.cs
@@ -13,7 +13,7 @@ public class InventoryManager(PlayerInstance player) : BasePlayerManager(player)
     public async ValueTask<GameWeaponInfo?> AddWeaponItem(ItemTypeEnum genre, uint detail, uint particular, uint level = 1)
     {
         if (genre != ItemTypeEnum.TYPE_WEAPON) return null;
-        var weaponData = GameData.WeaponData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular);
+        var weaponData = GameData.WeaponData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular && x.Level == level);
         if (weaponData == null) return null;
 
         var templateId = GameResourceTemplateId.FromGdpl((uint)genre,detail,particular,level);
@@ -50,7 +50,7 @@ public class InventoryManager(PlayerInstance player) : BasePlayerManager(player)
     public async ValueTask<GameSkinInfo?> AddSkinItem(ItemTypeEnum genre, uint detail, uint particular, uint level = 1)
     {
         if (genre != ItemTypeEnum.TYPE_CARD_SKIN) return null;
-        var skinData = GameData.CardSkinData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular);
+        var skinData = GameData.CardSkinData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular && x.Level == level);
         if (skinData == null) return null;
 
         var templateId = GameResourceTemplateId.FromGdpl((uint)genre,detail,particular,level);
@@ -82,4 +82,58 @@ public class InventoryManager(PlayerInstance player) : BasePlayerManager(player)
         var templateId = GameResourceTemplateId.FromGdpl((uint)genre,detail,particular,level);
         return InventoryData.Skins.Values.FirstOrDefault(x => x.TemplateId == templateId);
     }
+
+    public async ValueTask<BaseGameItemInfo?> AddArItem(ItemTypeEnum genre, uint detail, uint particular, uint level = 1)
+    {
+        if (genre != ItemTypeEnum.TYPE_AR) return null;
+        var arData = GameData.ArItemData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular && x.Level == level);
+        if (arData == null) return null;
+
+        var templateId = GameResourceTemplateId.FromGdpl((uint)genre, detail, particular, level);
+        if (InventoryData.Items.Values.Any(x => x.TemplateId == templateId)) return null;
+        var arInfo = new BaseGameItemInfo
+        {
+            TemplateId = templateId,
+            UniqueId = InventoryData.NextUniqueUid++,
+            Flag = ItemFlagEnum.FLAG_READED,
+            ItemCount = 1
+        };
+        InventoryData.Items[arInfo.UniqueId] = arInfo;
+        return arInfo;
+    }
+
+    public async ValueTask<BaseGameItemInfo?> AddManifestationItem(ItemTypeEnum genre, uint detail, uint particular, uint level = 1)
+    {
+        if (genre != ItemTypeEnum.TYPE_MANIFESTATION) return null;
+        var manifestData = GameData.ManifestationData.Values.FirstOrDefault(x => x.Genre == (int)genre && x.Detail == detail && x.Particular == particular && x.Level == level);
+        if (manifestData == null) return null;
+
+        var templateId = GameResourceTemplateId.FromGdpl((uint)genre, detail, particular, level);
+        if (InventoryData.Items.Values.Any(x => x.TemplateId == templateId)) return null;
+        var manifestInfo = new BaseGameItemInfo
+        {
+            TemplateId = templateId,
+            UniqueId = InventoryData.NextUniqueUid++,
+            Flag = ItemFlagEnum.FLAG_READED,
+            ItemCount = 1
+        };
+        InventoryData.Items[manifestInfo.UniqueId] = manifestInfo;
+        return manifestInfo;
+    }
+
+    public BaseGameItemInfo? GetNormalItem(uint uniqueId)
+    {
+        return InventoryData.Items.GetValueOrDefault(uniqueId);
+    }
+
+    public BaseGameItemInfo? GetNormalItemByTemplateId(ulong templateId)
+    {
+        return InventoryData.Items.Values.FirstOrDefault(x => x.TemplateId == templateId);
+    }
+
+    public BaseGameItemInfo? GetNormalItemGDPL(ItemTypeEnum genre, uint detail, uint particular, uint level)
+    {
+        var templateId = GameResourceTemplateId.FromGdpl((uint)genre, detail, particular, level);
+        return InventoryData.Items.Values.FirstOrDefault(x => x.TemplateId == templateId);
+    }
 }
\ No newline at end of file
diff --git a/GameServer/Game/Player/PlayerInstance.cs b/GameServer/Game/Player/PlayerInstance.cs
index 893fbd0..73e206f 100644
--- a/GameServer/Game/Player/PlayerInstance.cs
+++ b/GameServer/Game/Player/PlayerInstance.cs
@@ -52,6 +52,14 @@ public class PlayerInstance(PlayerGameData data)
             {
                 await InventoryManager.AddWeaponItem((ItemTypeEnum)weapon.Genre, weapon.Detail, weapon.Particular, weapon.Level);
             }
+            foreach (var ar in GameData.ArItemData.Values)
+            {
+                await InventoryManager.AddArItem((ItemTypeEnum)ar.Genre, ar.Detail, ar.Particular, ar.Level);
+            }
+            foreach (var manifest in GameData.ManifestationData.Values)
+            {
+                await InventoryManager.AddManifestationItem((ItemTypeEnum)manifest.Genre, manifest.Detail, manifest.Particular, manifest.Level);
+            }
             foreach (var card in GameData.CardData.Values)
             {
                 await CharacterManager.AddCharacter((ItemTypeEnum)card.Genre, card.Detail, card.Particular, card.Level);
@@ -168,6 +176,7 @@ public class PlayerInstance(PlayerGameData data)
             },
         };
 
+        foreach (var item in InventoryManager.InventoryData.Items.Values) proto.Items.Add(item.ToProto());
         foreach (var weapon in InventoryManager.InventoryData.Weapons.Values) proto.Items.Add(weapon.ToProto());
         foreach (var skin in InventoryManager.InventoryData.Skins.Values) proto.Items.Add(skin.ToProto());
         foreach (var chara in CharacterManager.CharacterData.Characters) proto.Items.Add(chara.ToProto());
diff --git a/GameServer/Server/CallGS/Handlers/Scene/ChangeMainScene.cs b/GameServer/Server/CallGS/Handlers/Scene/ChangeMainScene.cs
new file mode 100644
index 0000000..874b264
--- /dev/null
+++ b/GameServer/Server/CallGS/Handlers/Scene/ChangeMainScene.cs
@@ -0,0 +1,13 @@
+namespace MikuSB.GameServer.Server.CallGS.Handlers.Scene;
+
+// Response:{sErr:true or false}
+[CallGSApi("ChangeMainScene")]
+public class ChangeMainScene : ICallGSHandler
+{
+    public async Task Handle(Connection connection, string param, ushort seqNo)
+    {
+        string rsp = $"{{\"sErr\":false}}";
+        // TODO change scene with ExtraSync
+        await CallGSRouter.SendScript(connection, "ChangeMainScene", rsp);
+    }
+}
\ No newline at end of file