diff --git a/Assets/_ModularAvatar/EditModeTests/Animation/MiscAnimationTests.cs b/Assets/_ModularAvatar/EditModeTests/Animation/MiscAnimationTests.cs
index 7e4a70ea..736c63d2 100644
--- a/Assets/_ModularAvatar/EditModeTests/Animation/MiscAnimationTests.cs
+++ b/Assets/_ModularAvatar/EditModeTests/Animation/MiscAnimationTests.cs
@@ -1,5 +1,5 @@
 using nadena.dev.ndmf;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using NUnit.Framework;
 using UnityEditor;
 
diff --git a/Assets/_ModularAvatar/EditModeTests/Animation/TrackObjectRenamesContextTests.cs b/Assets/_ModularAvatar/EditModeTests/Animation/TrackObjectRenamesContextTests.cs
index 88ba3fe4..80a39b99 100644
--- a/Assets/_ModularAvatar/EditModeTests/Animation/TrackObjectRenamesContextTests.cs
+++ b/Assets/_ModularAvatar/EditModeTests/Animation/TrackObjectRenamesContextTests.cs
@@ -1,5 +1,5 @@
 using System.Linq;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using NUnit.Framework;
 using UnityEditor;
 using UnityEditor.Animations;
diff --git a/Assets/_ModularAvatar/EditModeTests/MergeArmatureTests/MultiLevelMergeTest.cs b/Assets/_ModularAvatar/EditModeTests/MergeArmatureTests/MultiLevelMergeTest.cs
index ff064040..832d8308 100644
--- a/Assets/_ModularAvatar/EditModeTests/MergeArmatureTests/MultiLevelMergeTest.cs
+++ b/Assets/_ModularAvatar/EditModeTests/MergeArmatureTests/MultiLevelMergeTest.cs
@@ -1,5 +1,5 @@
 using System.Linq;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core;
 using nadena.dev.modular_avatar.core.editor;
 using NUnit.Framework;
diff --git a/Assets/_ModularAvatar/EditModeTests/ReplaceObject/ReplaceObjectTests.cs b/Assets/_ModularAvatar/EditModeTests/ReplaceObject/ReplaceObjectTests.cs
index 52a75087..98da7713 100644
--- a/Assets/_ModularAvatar/EditModeTests/ReplaceObject/ReplaceObjectTests.cs
+++ b/Assets/_ModularAvatar/EditModeTests/ReplaceObject/ReplaceObjectTests.cs
@@ -1,5 +1,5 @@
 using System;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core;
 using nadena.dev.modular_avatar.core.editor;
 using nadena.dev.modular_avatar.editor.ErrorReporting;
diff --git a/Assets/_ModularAvatar/EditModeTests/RetargetMeshesTest.cs b/Assets/_ModularAvatar/EditModeTests/RetargetMeshesTest.cs
index d5759fa4..4481deb9 100644
--- a/Assets/_ModularAvatar/EditModeTests/RetargetMeshesTest.cs
+++ b/Assets/_ModularAvatar/EditModeTests/RetargetMeshesTest.cs
@@ -1,4 +1,4 @@
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.core.editor;
 using NUnit.Framework;
 using UnityEngine;
diff --git a/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimationUtil.cs b/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimationUtil.cs
index 07c05bf3..8c4570b8 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimationUtil.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimationUtil.cs
@@ -1,13 +1,18 @@
-using System;
+#region
+
+using System;
 using System.Collections.Generic;
+using nadena.dev.ndmf;
 using UnityEditor;
 using UnityEditor.Animations;
 using UnityEngine;
 using VRC.SDK3.Avatars.Components;
 
-namespace nadena.dev.ndmf.animation
+#endregion
+
+namespace nadena.dev.modular_avatar.animation
 {
-    public static class AnimationUtil
+    internal static class AnimationUtil
     {
         private const string SAMPLE_PATH_PACKAGE =
             "Packages/com.vrchat.avatars/Samples/AV3 Demo Assets/Animation/Controllers";
diff --git a/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimatorCombiner.cs b/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimatorCombiner.cs
index ebd1784b..156973d0 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimatorCombiner.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/Animation/AnimatorCombiner.cs
@@ -22,19 +22,22 @@
  * SOFTWARE.
  */
 
+#region
+
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using nadena.dev.ndmf.util;
 using UnityEditor;
 using UnityEditor.Animations;
 using UnityEngine;
 using VRC.SDK3.Avatars.Components;
 using Object = UnityEngine.Object;
 
-namespace nadena.dev.ndmf.animation
+#endregion
+
+namespace nadena.dev.modular_avatar.animation
 {
-    public class AnimatorCombiner
+    internal class AnimatorCombiner
     {
         private readonly AnimatorController _combined;
         private bool isSaved;
@@ -56,7 +59,7 @@ public class AnimatorCombiner
 
         private int controllerBaseLayer = 0;
 
-        public AnimatorCombiner(String assetName, UnityEngine.Object assetContainer)
+        public AnimatorCombiner(String assetName, Object assetContainer)
         {
             _combined = new AnimatorController();
             if (assetContainer != null)
diff --git a/Packages/nadena.dev.modular-avatar/Editor/Animation/IOnCommitObjectRenames.cs b/Packages/nadena.dev.modular-avatar/Editor/Animation/IOnCommitObjectRenames.cs
index 64fa78c4..b7578946 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/Animation/IOnCommitObjectRenames.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/Animation/IOnCommitObjectRenames.cs
@@ -1,10 +1,16 @@
-namespace nadena.dev.ndmf.animation
+#region
+
+using nadena.dev.ndmf;
+
+#endregion
+
+namespace nadena.dev.modular_avatar.animation
 {
     /// <summary>
     /// This interface tags components which supply additional animation controllers for merging. They will be given
     /// an opportunity to apply animation path updates when the TrackObjectRenamesContext is committed.
     /// </summary>
-    public interface IOnCommitObjectRenames
+    internal interface IOnCommitObjectRenames
     {
         void OnCommitObjectRenames(BuildContext buildContext, TrackObjectRenamesContext renameContext);
     }
diff --git a/Packages/nadena.dev.modular-avatar/Editor/Animation/TrackObjectRenamesContext.cs b/Packages/nadena.dev.modular-avatar/Editor/Animation/TrackObjectRenamesContext.cs
index 88cb808d..1992f432 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/Animation/TrackObjectRenamesContext.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/Animation/TrackObjectRenamesContext.cs
@@ -1,24 +1,33 @@
-using System;
+#region
+
+using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
+using nadena.dev.ndmf;
 using nadena.dev.ndmf.util;
 using UnityEditor;
 using UnityEditor.Animations;
 using UnityEngine;
-using VRC.Core;
 using VRC.SDK3.Avatars.Components;
+using Object = UnityEngine.Object;
+
+#endregion
 
-namespace nadena.dev.ndmf.animation
+namespace nadena.dev.modular_avatar.animation
 {
-    using UnityObject = UnityEngine.Object;
+    #region
+
+    using UnityObject = Object;
+
+    #endregion
 
     /// <summary>
     /// This extension context tracks when objects are renamed, and updates animations accordingly.
     /// Users of this context need to be aware that, when creating new curves (or otherwise introducing new motions,
     /// use context.ObjectPath to obtain a suitable path for the target objects).
     /// </summary>
-    public sealed class TrackObjectRenamesContext : IExtensionContext
+    internal sealed class TrackObjectRenamesContext : IExtensionContext
     {
         private Dictionary<GameObject, List<string>>
             _objectToOriginalPaths = new Dictionary<GameObject, List<string>>();
diff --git a/Packages/nadena.dev.modular-avatar/Editor/MergeArmatureHook.cs b/Packages/nadena.dev.modular-avatar/Editor/MergeArmatureHook.cs
index 4f7d19e8..663de664 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/MergeArmatureHook.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/MergeArmatureHook.cs
@@ -25,7 +25,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.editor.ErrorReporting;
 using UnityEditor;
 using UnityEngine;
@@ -422,24 +422,25 @@ private void RecursiveMerge(ModularAvatarMergeArmature config,
                 && (
                     Vector3.SqrMagnitude(mergedSrcBone.transform.localScale - src.transform.localScale) > 0.00001f
                     || Quaternion.Angle(mergedSrcBone.transform.localRotation, src.transform.localRotation) > 0.00001f
-                    || Vector3.SqrMagnitude(mergedSrcBone.transform.localPosition - src.transform.localPosition) > 0.00001f
+                    || Vector3.SqrMagnitude(mergedSrcBone.transform.localPosition - src.transform.localPosition) >
+                    0.00001f
                 )
                 && src.GetComponent<IConstraint>() != null
-            )
+               )
             {
                 // Constraints are sensitive to changes in local reference frames in some cases. In this case we'll
                 // inject a dummy object in between in order to retain the local parent scale of the retargeted bone.
                 var objName = src.gameObject.name + "$ConstraintRef " + Guid.NewGuid();
-                
+
                 var constraintScaleRef = new GameObject(objName);
                 constraintScaleRef.transform.SetParent(src.transform.parent);
                 constraintScaleRef.transform.localPosition = Vector3.zero;
                 constraintScaleRef.transform.localRotation = Quaternion.identity;
                 constraintScaleRef.transform.localScale = Vector3.one;
-                
+
                 constraintScaleRef.transform.SetParent(newParent.transform, true);
                 mergedSrcBone = constraintScaleRef;
-                
+
                 BoneDatabase.AddMergedBone(mergedSrcBone.transform);
                 BoneDatabase.RetainMergedBone(mergedSrcBone.transform);
                 PathMappings.MarkTransformLookthrough(mergedSrcBone);
diff --git a/Packages/nadena.dev.modular-avatar/Editor/MeshRetargeter.cs b/Packages/nadena.dev.modular-avatar/Editor/MeshRetargeter.cs
index ba7cecc3..2eb54555 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/MeshRetargeter.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/MeshRetargeter.cs
@@ -25,7 +25,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using JetBrains.Annotations;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.editor.ErrorReporting;
 using UnityEngine;
 
@@ -252,7 +252,7 @@ private void RetargetBones()
                 dst.bindposes = newBindPoses;
                 renderer.sharedMesh = dst;
             }
-            
+
             var newRootBone = _boneDatabase.GetRetargetedBone(rootBone, true);
             if (newRootBone == null)
             {
diff --git a/Packages/nadena.dev.modular-avatar/Editor/PluginDefinition/PluginDefinition.cs b/Packages/nadena.dev.modular-avatar/Editor/PluginDefinition/PluginDefinition.cs
index 7b7adea5..3be05e17 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/PluginDefinition/PluginDefinition.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/PluginDefinition/PluginDefinition.cs
@@ -1,7 +1,7 @@
 using System;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.editor.ErrorReporting;
 using nadena.dev.ndmf;
-using nadena.dev.ndmf.animation;
 using nadena.dev.ndmf.fluent;
 using UnityEngine;
 
diff --git a/Packages/nadena.dev.modular-avatar/Editor/ReplaceObjectPass.cs b/Packages/nadena.dev.modular-avatar/Editor/ReplaceObjectPass.cs
index 86163a3d..a14c7fa7 100644
--- a/Packages/nadena.dev.modular-avatar/Editor/ReplaceObjectPass.cs
+++ b/Packages/nadena.dev.modular-avatar/Editor/ReplaceObjectPass.cs
@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using nadena.dev.ndmf.animation;
+using nadena.dev.modular_avatar.animation;
 using nadena.dev.modular_avatar.editor.ErrorReporting;
 using UnityEditor;
 using UnityEngine;
diff --git a/Packages/nadena.dev.ndmf b/Packages/nadena.dev.ndmf
index f6caa431..d1cbaa4a 160000
--- a/Packages/nadena.dev.ndmf
+++ b/Packages/nadena.dev.ndmf
@@ -1 +1 @@
-Subproject commit f6caa431ab9c8e6071edfc0ac75595519161b9e2
+Subproject commit d1cbaa4aabd87b006b6e858de2a64192be5e42e9