diff --git a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs
new file mode 100644
index 000000000..3159fd8fd
--- /dev/null
+++ b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs
@@ -0,0 +1,22 @@
+
+using UnityEditor;
+using UnityEngine;
+
+namespace UniVRM10
+{
+    [CustomPropertyDrawer(typeof(VRM10SpringBoneColliderGroup))]
+    public class VRM10SpringBoneColliderGroupDrawer : PropertyDrawer
+    {
+        public override void OnGUI(Rect rect, SerializedProperty property, GUIContent label)
+        {
+            try
+            {
+                EditorGUI.ObjectField(rect, property, new GUIContent(((VRM10SpringBoneColliderGroup)property.objectReferenceValue).Name));
+            }
+            catch
+            {
+                EditorGUI.ObjectField(rect, property, new GUIContent("fallback"));
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs.meta b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs.meta
new file mode 100644
index 000000000..e144f3f0f
--- /dev/null
+++ b/Assets/VRM10/Runtime/Components/SpringBone/VRM10SpringBoneColliderGroupDrawer.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 9f5afdd3051fad24e9c7cb8caa29dc7f
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/VRM10/Runtime/IO/Vrm10Importer.cs b/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
index 640e3afc5..e3a608e8b 100644
--- a/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
+++ b/Assets/VRM10/Runtime/IO/Vrm10Importer.cs
@@ -554,6 +554,7 @@ namespace UniVRM10
                 foreach (var g in gltfVrmSpringBone.ColliderGroups)
                 {
                     var colliderGroup = secondary.gameObject.AddComponent<VRM10SpringBoneColliderGroup>();
+                    colliderGroup.Name = g.Name;
                     controller.SpringBone.ColliderGroups.Add(colliderGroup);
 
                     if (g != null && g.Colliders != null)
diff --git a/Assets/VRM10/Runtime/Migration/MigrationVrmSpringBone.cs b/Assets/VRM10/Runtime/Migration/MigrationVrmSpringBone.cs
index ff2f6400f..a298ed352 100644
--- a/Assets/VRM10/Runtime/Migration/MigrationVrmSpringBone.cs
+++ b/Assets/VRM10/Runtime/Migration/MigrationVrmSpringBone.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Linq;
 using UniGLTF.Extensions.VRMC_springBone;
 using UniJSON;
@@ -48,6 +49,23 @@ namespace UniVRM10
                         MigrateRootBone(vrm0Bone.GetInt32());
                     }
                 }
+
+                // fallback. default spring names
+                foreach (var spring in _springs)
+                {
+                    if (string.IsNullOrEmpty(spring.Name) && spring.Joints.Count > 0 && spring.Joints[0].Node.HasValue)
+                    {
+                        var i = spring.Joints[0].Node.Value;
+                        if (i >= 0 && i < _gltf.nodes.Count)
+                        {
+                            spring.Name = _gltf.nodes[i].name;
+                        }
+                    }
+                }
+                if (string.IsNullOrEmpty(_comment) && _springs.Count > 0)
+                {
+                    _comment = _springs[0].Name;
+                }
             }
 
             Spring CreateSpring()
@@ -263,6 +281,15 @@ namespace UniVRM10
                 {
                     Colliders = colliderIndices.ToArray(),
                 };
+                if (colliderGroup.Colliders.Length > 0 && springBone.Colliders[colliderGroup.Colliders[0]].Node.HasValue)
+                {
+                    var i = springBone.Colliders[colliderGroup.Colliders[0]].Node.Value;
+                    if (i >= 0 && i < gltf.nodes.Count)
+                    {
+                        var node = gltf.nodes[i];
+                        colliderGroup.Name = node.name;
+                    }
+                }
                 springBone.ColliderGroups.Add(colliderGroup);
             }