diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
index 1138f08ee..5d96bb2e1 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10Runtime.cs
@@ -42,7 +42,7 @@ namespace UniVRM10
                 throw new Exception();
             }
 
-            ControlRig = new Vrm10RuntimeControlRig(target.Humanoid);
+            ControlRig = new Vrm10RuntimeControlRig(target.Humanoid, m_target.transform);
             Constraints = target.GetComponentsInChildren<IVrm10Constraint>();
             LookAt = new Vrm10RuntimeLookAt(target.Vrm.LookAt, target.Humanoid, m_head, target.LookAtTargetType, target.Gaze);
             Expression = new Vrm10RuntimeExpression(target, LookAt, LookAt.EyeDirectionApplicable);
@@ -69,6 +69,13 @@ namespace UniVRM10
             }
         }
 
+        public void Dispose()
+        {
+            ControlRig.Dispose();
+            m_fastSpringBoneService.BufferCombiner.Unregister(m_fastSpringBoneBuffer);
+            m_fastSpringBoneBuffer.Dispose();
+        }
+
         /// <summary>
         /// このVRMに紐づくSpringBone関連のバッファを再構築する
         /// ランタイム実行時にSpringBoneに対して変更を行いたいときは、このメソッドを明示的に呼ぶ必要がある
@@ -169,11 +176,5 @@ namespace UniVRM10
             // 4. Expression
             Expression.Process();
         }
-
-        public void Dispose()
-        {
-            m_fastSpringBoneService.BufferCombiner.Unregister(m_fastSpringBoneBuffer);
-            m_fastSpringBoneBuffer.Dispose();
-        }
     }
 }
\ No newline at end of file
diff --git a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10RuntimeControlRig.cs b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10RuntimeControlRig.cs
index 9adbeb807..d038a9cda 100644
--- a/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10RuntimeControlRig.cs
+++ b/Assets/VRM10/Runtime/Components/Vrm10Runtime/Vrm10RuntimeControlRig.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using UnityEngine;
 
@@ -10,9 +11,10 @@ namespace UniVRM10
     /// Create a control rig for the VRM 1.0 model instance.
     /// This provides the normalized operation of bones, like VRM 0.x.
     /// </summary>
-    public sealed class Vrm10RuntimeControlRig
+    public sealed class Vrm10RuntimeControlRig : IDisposable
     {
-        private readonly Vrm10ControlBone _rootBone;
+        private readonly Transform _controlRigRoot;
+        private readonly Vrm10ControlBone _hipBone;
         private readonly Dictionary<HumanBodyBones, Vrm10ControlBone> _bones;
 
         public float InitialHipsHeight { get; }
@@ -21,16 +23,26 @@ namespace UniVRM10
         /// コンストラクタ。
         /// humanoid は VRM T-Pose でなければならない。
         /// </summary>
-        public Vrm10RuntimeControlRig(UniHumanoid.Humanoid humanoid)
+        public Vrm10RuntimeControlRig(UniHumanoid.Humanoid humanoid, Transform vrmRoot)
         {
-            _rootBone = Vrm10ControlBone.Build(humanoid, out _bones);
-            InitialHipsHeight = _rootBone.ControlTarget.position.y;
+            _controlRigRoot = new GameObject("Runtime Control Rig").transform;
+            _controlRigRoot.SetParent(vrmRoot);
+
+            _hipBone = Vrm10ControlBone.Build(humanoid, out _bones);
+            _hipBone.ControlBone.SetParent(_controlRigRoot);
+
+            InitialHipsHeight = _hipBone.ControlTarget.position.y;
+        }
+
+        public void Dispose()
+        {
+            UnityEngine.Object.Destroy(_controlRigRoot);
         }
 
         internal void Process()
         {
-            _rootBone.ControlTarget.position = _rootBone.ControlBone.position;
-            _rootBone.ProcessRecursively();
+            _hipBone.ControlTarget.position = _hipBone.ControlBone.position;
+            _hipBone.ProcessRecursively();
         }
 
         public Transform GetBoneTransform(HumanBodyBones bone)