diff --git a/Scripts/BlendShape/Editor/VRMBlnedShapeProxyEditor.cs b/Scripts/BlendShape/Editor/VRMBlnedShapeProxyEditor.cs
index 67fc5b38f..49be8d1ab 100644
--- a/Scripts/BlendShape/Editor/VRMBlnedShapeProxyEditor.cs
+++ b/Scripts/BlendShape/Editor/VRMBlnedShapeProxyEditor.cs
@@ -19,7 +19,6 @@ namespace VRM
 
             if (m_target.BlendShapeAvatar != null)
             {
-
                 m_sliders = m_target.BlendShapeAvatar.Clips
                     .Where(x => x != null)
                     .Select(x => new BlendShapeSlider(m_target, BlendShapeKey.CreateFrom(x)))
diff --git a/Scripts/BlendShape/PreviewSceneManager.cs b/Scripts/BlendShape/PreviewSceneManager.cs
index da273fa02..5f86207b2 100644
--- a/Scripts/BlendShape/PreviewSceneManager.cs
+++ b/Scripts/BlendShape/PreviewSceneManager.cs
@@ -204,7 +204,7 @@ namespace VRM
             if (materialValues != null && m_materialMap != null)
             {
                 // clear
-                Debug.LogFormat("clear material");
+                //Debug.LogFormat("clear material");
                 foreach (var kv in m_materialMap)
                 {
                     foreach (var _kv in kv.Value.PropMap)
@@ -218,7 +218,7 @@ namespace VRM
                     MaterialItem item;
                     if (m_materialMap.TryGetValue(x.MaterialName, out item))
                     {
-                        Debug.Log("set material");
+                        //Debug.Log("set material");
                         PropItem prop;
                         if (item.PropMap.TryGetValue(x.ValueName, out prop))
                         {
diff --git a/Scripts/Format/VRMImporter.cs b/Scripts/Format/VRMImporter.cs
index bdcebb688..549a30f34 100644
--- a/Scripts/Format/VRMImporter.cs
+++ b/Scripts/Format/VRMImporter.cs
@@ -318,13 +318,33 @@ namespace VRM
                     var relativePath = UniGLTF.UnityExtensions.RelativePathFrom(node, context.Root.transform);
                     return new BlendShapeBinding
                     {
-                        //Name = name,
                         RelativePath = relativePath,
                         Index = x.index,
                         Weight = x.weight,
                     };
                 })
                 .ToArray();
+                asset.MaterialValues = group.materialValues.Select(x =>
+                {
+                    var value = new Vector4();
+                    for(int i=0; i<x.targetValue.Length; ++i)
+                    {
+                        switch (i)
+                        {
+                            case 0: value.x = x.targetValue[0]; break;
+                            case 1: value.y = x.targetValue[1]; break;
+                            case 2: value.z = x.targetValue[2]; break;
+                            case 3: value.w = x.targetValue[3]; break;
+                        }
+                    }
+                    return new MaterialValueBinding
+                    {
+                        MaterialName = x.materialName,
+                        ValueName = x.propertyName,
+                        TargetValue = value
+                    };
+                })
+                .ToArray();
             }
 
             return asset;
diff --git a/Scripts/Format/glTF_VRM_BlendShape.cs b/Scripts/Format/glTF_VRM_BlendShape.cs
index 7949a6ff8..2ace99d70 100644
--- a/Scripts/Format/glTF_VRM_BlendShape.cs
+++ b/Scripts/Format/glTF_VRM_BlendShape.cs
@@ -7,9 +7,21 @@ using UnityEngine;
 
 namespace VRM
 {
-    /// <summary>
-    /// BlendShapeBind
-    /// </summary>
+    [Serializable]
+    public class glTF_VRM_MaterialValueBind : UniGLTF.JsonSerializableBase
+    {
+        public string materialName;
+        public string propertyName;
+        public float[] targetValue;
+
+        protected override void SerializeMembers(JsonFormatter f)
+        {
+            f.KeyValue(() => materialName);
+            f.KeyValue(() => propertyName);
+            f.KeyValue(() => targetValue);
+        }
+    }
+
     [Serializable]
     public class glTF_VRM_BlendShapeBind : UniGLTF.JsonSerializableBase
     {
@@ -75,22 +87,15 @@ namespace VRM
     {
         public string name;
         public string presetName;
-        [Obsolete]
-        public string extendedName;
         public List<glTF_VRM_BlendShapeBind> binds = new List<glTF_VRM_BlendShapeBind>();
+        public List<glTF_VRM_MaterialValueBind> materialValues = new List<glTF_VRM_MaterialValueBind>();
 
         protected override void SerializeMembers(JsonFormatter f)
         {
             f.KeyValue(() => name);
             f.KeyValue(() => presetName);
-            /*
-            if (name == "extended")
-            {
-                f.KeyValue(() => extendedName);
-            }
-            f.Key("flags"); f.Value((int)flags);
-            */
             f.KeyValue(() => binds);
+            f.KeyValue(() => materialValues);
         }
     }
 
@@ -106,11 +111,24 @@ namespace VRM
             {
                 list.AddRange(clip.Values.Select(y => glTF_VRM_BlendShapeBind.Cerate(transform, meshes.ToList(), y)));
             }
+
+            var materialList = new List<glTF_VRM_MaterialValueBind>();
+            if (clip.MaterialValues != null)
+            {
+                materialList.AddRange(clip.MaterialValues.Select(y => new glTF_VRM_MaterialValueBind
+                {
+                    materialName = y.MaterialName,
+                    propertyName = y.ValueName,
+                    targetValue = y.TargetValue.ToArray(),
+                }));
+            }
+
             var group = new glTF_VRM_BlendShapeGroup
             {
                 name = clip.BlendShapeName,
                 presetName = clip.Preset.ToString().ToLower(),
                 binds = list,
+                materialValues = materialList,
             };
             blendShapeGroups.Add(group);
         }