diff --git a/Runtime/ABase/DataStruct.meta b/Runtime/ABase/DataStruct.meta
deleted file mode 100644
index 6159a22..0000000
--- a/Runtime/ABase/DataStruct.meta
+++ /dev/null
@@ -1,8 +0,0 @@
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diff --git a/Runtime/ABase/DataStruct/ObjectDontDestroyOnLoad.cs b/Runtime/ABase/Structs/ObjectDontDestroyOnLoad.cs
similarity index 100%
rename from Runtime/ABase/DataStruct/ObjectDontDestroyOnLoad.cs
rename to Runtime/ABase/Structs/ObjectDontDestroyOnLoad.cs
diff --git a/Runtime/ABase/DataStruct/ObjectDontDestroyOnLoad.cs.meta b/Runtime/ABase/Structs/ObjectDontDestroyOnLoad.cs.meta
similarity index 100%
rename from Runtime/ABase/DataStruct/ObjectDontDestroyOnLoad.cs.meta
rename to Runtime/ABase/Structs/ObjectDontDestroyOnLoad.cs.meta
diff --git a/Runtime/ABase/Structs/ObjectReference.cs b/Runtime/ABase/Structs/ObjectReference.cs
deleted file mode 100644
index 082f924..0000000
--- a/Runtime/ABase/Structs/ObjectReference.cs
+++ /dev/null
@@ -1,12 +0,0 @@
-using System;
-using UnityEngine;
-
-namespace AlicizaX
-{
-    [Serializable]
-    public sealed class ObjectReference
-    {
-        public string GUID;
-        public GameObject Object;
-    }
-}
diff --git a/Runtime/ABase/Structs/ObjectReference.cs.meta b/Runtime/ABase/Structs/ObjectReference.cs.meta
deleted file mode 100644
index a6bc447..0000000
--- a/Runtime/ABase/Structs/ObjectReference.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/Runtime/ABase/Structs/ObservableValue.cs b/Runtime/ABase/Structs/ObservableValue.cs
deleted file mode 100644
index 0e67d8f..0000000
--- a/Runtime/ABase/Structs/ObservableValue.cs
+++ /dev/null
@@ -1,50 +0,0 @@
-using System.Collections.Generic;
-
-namespace AlicizaX
-{
-    public class ObservableValue<T>
-    {
-        private T _value;
-        private bool _isChanged;
-
-        public T Value
-        {
-            get => _value;
-            set
-            {
-                if (!EqualityComparer<T>.Default.Equals(_value, value))
-                {
-                    _value = value;
-                    _isChanged = true;
-                }
-            }
-        }
-
-        public T SilentValue
-        {
-            get => _value;
-            set => _value = value;
-        }
-
-        public bool IsChanged => _isChanged;
-
-        public ObservableValue(T initialValue)
-        {
-            _value = initialValue;
-            _isChanged = false;
-        }
-
-        public ObservableValue()
-        {
-            _value = default;
-            _isChanged = false;
-        }
-
-        public void ResetFlag()
-        {
-            _isChanged = false;
-        }
-
-        public override string ToString() => $"[{_isChanged}] {_value}";
-    }
-}
diff --git a/Runtime/ABase/Structs/ObservableValue.cs.meta b/Runtime/ABase/Structs/ObservableValue.cs.meta
deleted file mode 100644
index 4d6e5ec..0000000
--- a/Runtime/ABase/Structs/ObservableValue.cs.meta
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/Runtime/ABase/Structs/Pair.cs b/Runtime/ABase/Structs/Pair.cs
deleted file mode 100644
index e239f23..0000000
--- a/Runtime/ABase/Structs/Pair.cs
+++ /dev/null
@@ -1,16 +0,0 @@
-namespace AlicizaX
-{
-    public struct Pair<T1, T2>
-    {
-        public T1 Key { get; set; }
-        public T2 Value { get; set; }
-
-        public bool IsAssigned => Key != null && Value != null;
-
-        public Pair(T1 key, T2 value)
-        {
-            Key = key;
-            Value = value;
-        }
-    }
-}
diff --git a/Runtime/ABase/Structs/Pair.cs.meta b/Runtime/ABase/Structs/Pair.cs.meta
deleted file mode 100644
index 3175181..0000000
--- a/Runtime/ABase/Structs/Pair.cs.meta
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@@ -1,11 +0,0 @@
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diff --git a/Runtime/ABase/DataStruct/TypeNamePair.cs b/Runtime/ABase/Structs/TypeNamePair.cs
similarity index 100%
rename from Runtime/ABase/DataStruct/TypeNamePair.cs
rename to Runtime/ABase/Structs/TypeNamePair.cs
diff --git a/Runtime/ABase/DataStruct/TypeNamePair.cs.meta b/Runtime/ABase/Structs/TypeNamePair.cs.meta
similarity index 100%
rename from Runtime/ABase/DataStruct/TypeNamePair.cs.meta
rename to Runtime/ABase/Structs/TypeNamePair.cs.meta