public static BtlCut_Live2D Instantiate(BtlCut_Live2D prefab, Transform parent, Vector3 pos)
        {
            BtlCut_Live2D btlCut_Live2D = Object.Instantiate <BtlCut_Live2D>(prefab);

            btlCut_Live2D.get_transform().set_parent(parent);
            btlCut_Live2D.get_transform().localPositionZero();
            btlCut_Live2D.get_transform().localScaleOne();
            return(btlCut_Live2D);
        }