diff --git a/Assets/Scripts/Avatar/MotionTracking/IKManager.cs b/Assets/Scripts/Avatar/MotionTracking/IKManager.cs
index d0f5cf35..031b83e2 100644
--- a/Assets/Scripts/Avatar/MotionTracking/IKManager.cs
+++ b/Assets/Scripts/Avatar/MotionTracking/IKManager.cs
@@ -265,6 +265,11 @@ public void ModelInitialize()
             {
                 wristRotationFix.SetVRIK(vrik);
 
+                animator.GetBoneTransform(HumanBodyBones.LeftLowerArm).eulerAngles = new Vector3(LeftLowerArmAngle, 0, 0);
+                animator.GetBoneTransform(HumanBodyBones.RightLowerArm).eulerAngles = new Vector3(RightLowerArmAngle, 0, 0);
+                animator.GetBoneTransform(HumanBodyBones.LeftUpperArm).eulerAngles = new Vector3(LeftUpperArmAngle, 0, 0);
+                animator.GetBoneTransform(HumanBodyBones.RightUpperArm).eulerAngles = new Vector3(RightUpperArmAngle, 0, 0);
+
                 HandController.SetDefaultAngle(animator);
 
                 //初期の指を自然に閉じたポーズにする
@@ -402,7 +407,7 @@ private void SetVRIK(VirtualAvatar virtualAvatar)
                 FixArmDirection(virtualAvatar);
             }
 
-            vrik = virtualAvatar.AddComponent<RootMotion.FinalIK.VRIK>();
+            vrik = virtualAvatar.AddComponent<VRIK>();
             virtualAvatar.AddComponent<VRIKTimingManager>();
             vrik.AutoDetectReferences();
 
@@ -703,6 +708,12 @@ public IEnumerator Calibrate(PipeCommands.CalibrateType calibrateType)
                 yield break;
             }
 
+            animator.GetBoneTransform(HumanBodyBones.LeftLowerArm).localEulerAngles = new Vector3(0, 0, 0);
+            animator.GetBoneTransform(HumanBodyBones.RightLowerArm).localEulerAngles = new Vector3(0, 0, 0);
+            animator.GetBoneTransform(HumanBodyBones.LeftUpperArm).localEulerAngles = new Vector3(0, 0, 0);
+            animator.GetBoneTransform(HumanBodyBones.RightUpperArm).localEulerAngles = new Vector3(0, 0, 0);
+            animator.GetBoneTransform(HumanBodyBones.LeftHand).localEulerAngles = new Vector3(0, 0, 0);
+            animator.GetBoneTransform(HumanBodyBones.RightHand).localEulerAngles = new Vector3(0, 0, 0);
 
             SetVRIK(virtualAvatar);
             wristRotationFix.SetVRIK(vrik);
diff --git a/Assets/Scripts/Avatar/MotionTracking/MotionManager.cs b/Assets/Scripts/Avatar/MotionTracking/MotionManager.cs
index f82486da..d3d63cec 100644
--- a/Assets/Scripts/Avatar/MotionTracking/MotionManager.cs
+++ b/Assets/Scripts/Avatar/MotionTracking/MotionManager.cs
@@ -17,6 +17,7 @@ public class MotionManager : MonoBehaviour
         private VRIK vrik;
         private IKSolver ikSolver;
 
+        [SerializeField]
         private List<VirtualAvatar> VirtualAvatars = new List<VirtualAvatar>();
 
         private static MotionManager instance;
diff --git a/Assets/Scripts/Avatar/MotionTracking/VirtualAvatar.cs b/Assets/Scripts/Avatar/MotionTracking/VirtualAvatar.cs
index b8bd7444..ea8abd32 100644
--- a/Assets/Scripts/Avatar/MotionTracking/VirtualAvatar.cs
+++ b/Assets/Scripts/Avatar/MotionTracking/VirtualAvatar.cs
@@ -7,6 +7,7 @@
 
 namespace VMC
 {
+    [Serializable]
     public class VirtualAvatar
     {
         private Transform parent;