diff --git a/Scripts/BlendShape/BlendShapeMerger.cs b/Scripts/BlendShape/BlendShapeMerger.cs
index 2e41939de..552f207f8 100644
--- a/Scripts/BlendShape/BlendShapeMerger.cs
+++ b/Scripts/BlendShape/BlendShapeMerger.cs
@@ -129,6 +129,15 @@ namespace VRM
             m_materialValueMap.Clear();
         }
 
+        public void SetValues(IEnumerable<KeyValuePair<BlendShapeKey, float>> values)
+        {
+            foreach(var kv in values)
+            {
+                SetValue(kv.Key, kv.Value, false);
+            }
+            Apply();
+        }
+
         public void SetValue(BlendShapeKey key, float value, bool replace)
         {
             m_valueMap[key] = value;
diff --git a/Scripts/BlendShape/VRMBlendShapeProxy.cs b/Scripts/BlendShape/VRMBlendShapeProxy.cs
index c22cb5965..7d7188d41 100644
--- a/Scripts/BlendShape/VRMBlendShapeProxy.cs
+++ b/Scripts/BlendShape/VRMBlendShapeProxy.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using UnityEngine;
 
 
@@ -52,13 +53,32 @@ namespace VRM
         {
             return GetValue(new BlendShapeKey(key));
         }
-        public void SetValue(BlendShapeKey key, float value, bool apply = true)
+
+        [Obsolete("Use SetValues")]
+        public void SetValue(BlendShapeKey key, float value, bool apply)
         {
             if (m_merger != null)
             {
                 m_merger.SetValue(key, value, apply);
             }
         }
+
+        public void SetValue(BlendShapeKey key, float value)
+        {
+            if (m_merger != null)
+            {
+                m_merger.SetValue(key, value, true);
+            }
+        }
+
+        public void SetValues(IEnumerable<KeyValuePair<BlendShapeKey, float>> values)
+        {
+            if (m_merger != null)
+            {
+                m_merger.SetValues(values);
+            }
+        }
+
         public float GetValue(BlendShapeKey key)
         {
             if (m_merger == null)