diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs b/Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs
new file mode 100644
index 0000000000..fa1de5c9d1
--- /dev/null
+++ b/Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs
@@ -0,0 +1,202 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEditor;
+using UnityEngine;
+
+namespace UniVRM10
+{
+    /// <summary>
+    /// ヒエラルキーから VRM10SpringBone と VRM10ColliderGroup を集めてリスト表示する
+    /// </summary>
+    public class VRM10SelectorWindow : EditorWindow
+    {
+        const string MENU_KEY = VRMVersion.MENU + "/VRM selector window";
+        const string WINDOW_TITLE = "VRM selector";
+
+        [MenuItem(MENU_KEY, false, 1)]
+        private static void ExportFromMenu()
+        {
+            var window = (VRM10SelectorWindow)GetWindow(typeof(VRM10SelectorWindow));
+            window.titleContent = new GUIContent(WINDOW_TITLE);
+            window.Show();
+            window.Root = Selection.activeTransform;
+        }
+
+        void OnEnable()
+        {
+            // Debug.Log("OnEnable");
+            Undo.willFlushUndoRecord += Repaint;
+            Selection.selectionChanged += Repaint;
+        }
+
+        void OnDisable()
+        {
+            // Debug.Log("OnDisable");
+            Selection.selectionChanged -= Repaint;
+            Undo.willFlushUndoRecord -= Repaint;
+        }
+
+        Transform m_root;
+        Transform Root
+        {
+            get => m_root;
+            set
+            {
+                if (m_root == value)
+                {
+                    return;
+                }
+                if (value != null && !value.gameObject.scene.IsValid())
+                {
+                    // skip prefab
+                    return;
+                }
+                m_root = value;
+
+                m_springs = null;
+                m_colliderGroups = null;
+                m_boneMap = null;
+            }
+        }
+
+        static bool s_foldHumanoidBones = true;
+        static HumanBodyBones[] s_bones;
+        public Dictionary<HumanBodyBones, Transform> m_boneMap;
+
+        static bool s_foldSprings = true;
+        public VRM10SpringBone[] m_springs;
+
+        static bool s_foldColliders = true;
+        public VRM10SpringBoneColliderGroup[] m_colliderGroups;
+
+        void Reload()
+        {
+            var backup = Root;
+            Root = null;
+            Root = backup;
+        }
+
+        Vector2 m_scrollPosition;
+
+        private void OnGUI()
+        {
+            Root = (Transform)EditorGUILayout.ObjectField("vrm1 root", m_root, typeof(Transform), true);
+
+            if (m_springs != null && m_springs.Length > 0 && m_springs[0] == null)
+            {
+                Reload();
+            }
+
+            m_scrollPosition = EditorGUILayout.BeginScrollView(m_scrollPosition);
+
+            var isScroll = Event.current.isScrollWheel;
+            if (isScroll)
+            {
+                m_scrollPosition += Event.current.delta * EditorGUIUtility.singleLineHeight;
+                if (m_scrollPosition.y < 0)
+                {
+                    m_scrollPosition = Vector2.zero;
+                }
+            }
+            DrawContent();
+            var bottom = EditorGUILayout.GetControlRect();
+            if (isScroll)
+            {
+                var maxScroll = bottom.y - (this.position.size.y - EditorGUIUtility.singleLineHeight * 2);
+                // Debug.Log($"{bottom.y}: {this.position.size.y}: {maxScroll}");
+                if (m_scrollPosition.y > maxScroll)
+                {
+                    m_scrollPosition = new Vector2(0, maxScroll);
+                }
+                Repaint();
+            }
+            EditorGUILayout.EndScrollView();
+        }
+
+        void DrawContent()
+        {
+            if (m_root != null)
+            {
+                if (s_bones == null)
+                {
+                    var values = Enum.GetValues(typeof(HumanBodyBones));
+                    s_bones = new HumanBodyBones[values.Length - 1];
+                    int j = 0;
+                    foreach (HumanBodyBones bone in values)
+                    {
+                        if (bone != HumanBodyBones.LastBone)
+                        {
+                            s_bones[j++] = bone;
+                        }
+                    }
+                }
+                if (m_boneMap == null)
+                {
+                    var animator = m_root.GetComponent<Animator>();
+                    if (animator != null)
+                    {
+                        m_boneMap = new Dictionary<HumanBodyBones, Transform>();
+                        foreach (var bone in s_bones)
+                        {
+                            var t = animator.GetBoneTransform(bone);
+                            if (t != null)
+                            {
+                                m_boneMap.Add(bone, t);
+                            }
+                        }
+                    }
+                }
+                if (m_springs == null)
+                {
+                    m_springs = m_root.GetComponentsInChildren<VRM10SpringBone>();
+                }
+                if (m_colliderGroups == null)
+                {
+                    m_colliderGroups = m_root.GetComponentsInChildren<VRM10SpringBoneColliderGroup>();
+                }
+            }
+
+            GUI.enabled = false;
+            s_foldHumanoidBones = EditorGUILayout.Foldout(s_foldHumanoidBones, "human bones");
+            if (s_foldHumanoidBones)
+            {
+                if (m_boneMap != null)
+                {
+                    foreach (var bone in s_bones)
+                    {
+                        if (m_boneMap.TryGetValue(bone, out Transform t))
+                        {
+
+                        }
+                        EditorGUILayout.ObjectField(bone.ToString(), t, typeof(Transform), true);
+                    }
+                }
+            }
+
+            s_foldSprings = EditorGUILayout.Foldout(s_foldSprings, "springs");
+            if (s_foldSprings)
+            {
+                if (m_springs != null)
+                {
+                    foreach (var s in m_springs)
+                    {
+                        EditorGUILayout.ObjectField(s, typeof(VRM10SpringBone), true);
+                    }
+                }
+            }
+
+            s_foldColliders = EditorGUILayout.Foldout(s_foldColliders, "colliders");
+            if (s_foldColliders)
+            {
+                if (m_colliderGroups != null)
+                {
+                    foreach (var c in m_colliderGroups)
+                    {
+                        EditorGUILayout.ObjectField(c, typeof(VRM10SpringBoneColliderGroup), true);
+                    }
+                }
+            }
+        }
+    }
+}
diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs.meta b/Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs.meta
similarity index 83%
rename from Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs.meta
rename to Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs.meta
index 9bbae36016..581179e2bd 100644
--- a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs.meta
+++ b/Assets/VRM10/Editor/Components/SpringBone/VRM10SelectorWindow.cs.meta
@@ -1,5 +1,5 @@
 fileFormatVersion: 2
-guid: a38b6d598e4f6c9458cd0a819302b438
+guid: 96fdd3a9c7c5ca44b977ef564a2cf15b
 MonoImporter:
   externalObjects: {}
   serializedVersion: 2
diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs
deleted file mode 100644
index 99a2aae3a5..0000000000
--- a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringSelectorWindow.cs
+++ /dev/null
@@ -1,118 +0,0 @@
-using System;
-using UnityEditor;
-using UnityEngine;
-
-namespace UniVRM10
-{
-    /// <summary>
-    /// ヒエラルキーから VRM10SpringBone と VRM10ColliderGroup を集めてリスト表示する
-    /// </summary>
-    public class VRM10SpringSelectorWindow : EditorWindow
-    {
-        const string MENU_KEY = VRMVersion.MENU + "/SpringBone Window";
-
-        [MenuItem(MENU_KEY, false, 1)]
-        private static void ExportFromMenu()
-        {
-            var window = (VRM10SpringSelectorWindow)GetWindow(typeof(VRM10SpringSelectorWindow));
-            window.titleContent = new GUIContent("SpringBone selector");
-            window.Show();
-            window.Root = Selection.activeTransform;
-        }
-
-        void OnEnable()
-        {
-            // Debug.Log("OnEnable");
-            Undo.willFlushUndoRecord += Repaint;
-            Selection.selectionChanged += Repaint;
-        }
-
-        void OnDisable()
-        {
-            // Debug.Log("OnDisable");
-            Selection.selectionChanged -= Repaint;
-            Undo.willFlushUndoRecord -= Repaint;
-        }
-
-        Transform m_root;
-        Transform Root
-        {
-            get => m_root;
-            set
-            {
-                if (m_root == value)
-                {
-                    return;
-                }
-                if (value != null && !value.gameObject.scene.IsValid())
-                {
-                    // skip prefab
-                    return;
-                }
-                m_root = value;
-                if (m_root != null)
-                {
-                    m_springs = m_root.GetComponentsInChildren<VRM10SpringBone>();
-                    m_colliderGroups = m_root.GetComponentsInChildren<VRM10SpringBoneColliderGroup>();
-                }
-            }
-        }
-
-        static bool s_foldSprings = true;
-        public VRM10SpringBone[] m_springs;
-
-        static bool s_foldColliders = true;
-        public VRM10SpringBoneColliderGroup[] m_colliderGroups;
-
-        void Reload()
-        {
-            var backup = Root;
-            Root = null;
-            Root = backup;
-        }
-
-        Vector2 m_scrollPosition;
-
-        private void OnGUI()
-        {
-            Root = (Transform)EditorGUILayout.ObjectField("vrm1 root", m_root, typeof(Transform), true);
-
-            if (m_springs != null && m_springs.Length > 0 && m_springs[0] == null)
-            {
-                Reload();
-            }
-
-            m_scrollPosition = EditorGUILayout.BeginScrollView(m_scrollPosition);
-            DrawContent();
-            EditorGUILayout.EndScrollView();
-        }
-
-        void DrawContent()
-        {
-            GUI.enabled = false;
-            s_foldSprings = EditorGUILayout.Foldout(s_foldSprings, "springs");
-            if (s_foldSprings)
-            {
-                if (m_springs != null)
-                {
-                    foreach (var s in m_springs)
-                    {
-                        EditorGUILayout.ObjectField(s, typeof(VRM10SpringBone), true);
-                    }
-                }
-            }
-
-            s_foldColliders = EditorGUILayout.Foldout(s_foldColliders, "colliders");
-            if (s_foldColliders)
-            {
-                if (m_colliderGroups != null)
-                {
-                    foreach (var c in m_colliderGroups)
-                    {
-                        EditorGUILayout.ObjectField(c, typeof(VRM10SpringBoneColliderGroup), true);
-                    }
-                }
-            }
-        }
-    }
-}