diff --git a/Scripts/BlendShape/BlendShapeClip.cs b/Scripts/BlendShape/BlendShapeClip.cs
index 7163ede38..dcc7aa5f2 100644
--- a/Scripts/BlendShape/BlendShapeClip.cs
+++ b/Scripts/BlendShape/BlendShapeClip.cs
@@ -24,6 +24,26 @@ namespace VRM
     [CreateAssetMenu(menuName = "VRM/BlendShapeClip")]
     public class BlendShapeClip : ScriptableObject
     {
+        [SerializeField]
+        GameObject m_prefab;
+        public GameObject Prefab
+        {
+            set { m_prefab = value; }
+            get {
+#if UNITY_EDITOR
+                if (m_prefab == null)
+                {
+                    var assetPath = UnityEditor.AssetDatabase.GetAssetPath(this);
+                    if (!string.IsNullOrEmpty(assetPath))
+                    {
+                        m_prefab = UnityEditor.AssetDatabase.LoadAssetAtPath<GameObject>(assetPath);
+                    }
+                }
+#endif
+                return m_prefab;
+            }
+        }
+
         [SerializeField]
         public string BlendShapeName = "";
 
@@ -74,14 +94,5 @@ namespace VRM
             }
             */
         }
-
-        public static BlendShapeClip Create(BlendShapePreset preset)
-        {
-            var clip = ScriptableObject.CreateInstance<BlendShapeClip>();
-            clip.Preset = preset;
-            clip.BlendShapeName = preset.ToString();
-            clip.name = preset.ToString();
-            return clip;
-        }
     }
 }
diff --git a/Scripts/BlendShape/Editor/BlendShapeAvatarEditor.cs b/Scripts/BlendShape/Editor/BlendShapeAvatarEditor.cs
index 3746edb6b..ff5a20863 100644
--- a/Scripts/BlendShape/Editor/BlendShapeAvatarEditor.cs
+++ b/Scripts/BlendShape/Editor/BlendShapeAvatarEditor.cs
@@ -32,6 +32,7 @@ namespace VRM
             Debug.LogFormat("{0}", path);
             var clip = ScriptableObject.CreateInstance<BlendShapeClip>();
             m_target.Clips.Add(clip);
+            clip.Prefab = AssetDatabase.LoadAssetAtPath<GameObject>(AssetDatabase.GetAssetPath(m_target));
             AssetDatabase.CreateAsset(clip, path);
             AssetDatabase.ImportAsset(path);
         }
diff --git a/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs b/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
index 62d3435f7..2c0f1578e 100644
--- a/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
+++ b/Scripts/BlendShape/Editor/BlendShapeClipEditor.cs
@@ -23,8 +23,14 @@ namespace VRM
         BlendShapeClip m_target;
         bool m_changed;
 
+        protected override GameObject GetPrefab()
+        {
+            return m_target.Prefab;
+        }
+
         void OnPrefabChanged()
         {
+            m_target.Prefab = Prefab;
             Bake(m_target.Values, m_target.MaterialValues, 1.0f);
         }
 
diff --git a/Scripts/BlendShape/Editor/PreviewEditor.cs b/Scripts/BlendShape/Editor/PreviewEditor.cs
index 8044ff531..aba657e78 100644
--- a/Scripts/BlendShape/Editor/PreviewEditor.cs
+++ b/Scripts/BlendShape/Editor/PreviewEditor.cs
@@ -40,10 +40,10 @@ namespace VRM
         /// Previewシーンに表示するPrefab
         /// </summary>
         GameObject m_prefab;
-        GameObject Prefab
+        protected GameObject Prefab
         {
             get { return m_prefab; }
-            set
+            private set
             {
                 if (m_prefab == value) return;
                 m_prefab = value;
@@ -89,15 +89,20 @@ namespace VRM
             }
         }
 
+        protected virtual GameObject GetPrefab()
+        {
+            var assetPath = AssetDatabase.GetAssetPath(target);
+            if (string.IsNullOrEmpty(assetPath))
+            {
+                return null;
+            }
+            return AssetDatabase.LoadAssetAtPath<GameObject>(assetPath);
+        }
+
         protected virtual void OnEnable()
         {
             m_renderer = new PreviewFaceRenderer();
-            var assetPath = AssetDatabase.GetAssetPath(target);
-            //Debug.LogFormat("assetPath: {0}", assetPath);
-            if (!string.IsNullOrEmpty(assetPath))
-            {
-                Prefab = AssetDatabase.LoadAssetAtPath<GameObject>(assetPath);
-            }
+            Prefab = GetPrefab();
         }
 
         protected virtual void OnDisable()