diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export.meta
new file mode 100644
index 000000000..76cf5fdd2
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 44c184c5fb704e08b064c515409d4d9e
+timeCreated: 1721483589
\ No newline at end of file
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/IAnimationExporter.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export/IAnimationExporter.cs
similarity index 100%
rename from Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/IAnimationExporter.cs
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export/IAnimationExporter.cs
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/IAnimationExporter.cs.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export/IAnimationExporter.cs.meta
similarity index 100%
rename from Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/IAnimationExporter.cs.meta
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Export/IAnimationExporter.cs.meta
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import.meta
new file mode 100644
index 000000000..b0589cca3
--- /dev/null
+++ b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 3d3b03f6cf8e4923a3f7e5f90db85b57
+timeCreated: 1721483585
\ No newline at end of file
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer/AnimationClipFactory.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationClipFactory.cs
similarity index 100%
rename from Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer/AnimationClipFactory.cs
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationClipFactory.cs
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer/AnimationClipFactory.cs.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationClipFactory.cs.meta
similarity index 100%
rename from Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer/AnimationClipFactory.cs.meta
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationClipFactory.cs.meta
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/AnimationImporterUtil.cs b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationImporterUtil.cs
similarity index 100%
rename from Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/AnimationImporterUtil.cs
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationImporterUtil.cs
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/AnimationImporterUtil.cs.meta b/Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationImporterUtil.cs.meta
similarity index 100%
rename from Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/AnimationImporterUtil.cs.meta
rename to Assets/UniGLTF/Runtime/UniGLTF/IO/AnimationIO/Import/AnimationImporterUtil.cs.meta
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/Animation.meta b/Assets/VRMShaders/GLTF/IO/Runtime/Animation.meta
deleted file mode 100644
index 91c14e135..000000000
--- a/Assets/VRMShaders/GLTF/IO/Runtime/Animation.meta
+++ /dev/null
@@ -1,3 +0,0 @@
-fileFormatVersion: 2
-guid: 17a34dd6c85b45e3a15315e62a02263b
-timeCreated: 1634201983
\ No newline at end of file
diff --git a/Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer.meta b/Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer.meta
deleted file mode 100644
index e99caa5f7..000000000
--- a/Assets/VRMShaders/GLTF/IO/Runtime/Animation/Importer.meta
+++ /dev/null
@@ -1,3 +0,0 @@
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-timeCreated: 1634201992
\ No newline at end of file