diff --git a/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs b/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
index bf7aa7394..8c975612b 100644
--- a/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
+++ b/Assets/VRM/UniGLTF/Scripts/IO/ImporterContext.cs
@@ -586,10 +586,10 @@ namespace UniGLTF
                         AnimationImporter.ImportAnimation(this);
                     }
                 })
+                .ContinueWithCoroutine(Scheduler.MainThread, OnLoadModel)
                 .ContinueWith(Scheduler.CurrentThread,
                     _ =>
                     {
-                        OnLoadModel();
                         if (m_showSpeedLog)
                         {
                             Debug.Log(GetSpeedLog());
@@ -598,9 +598,10 @@ namespace UniGLTF
                     });
         }
 
-        protected virtual void OnLoadModel()
+        protected virtual IEnumerator OnLoadModel()
         {
             Root.name = "GLTF";
+            yield break;
         }
 
         IEnumerator TexturesProcessOnAnyThread()
diff --git a/Assets/VRM/UniVRM/Scripts/Format/VRMImporterContext.cs b/Assets/VRM/UniVRM/Scripts/Format/VRMImporterContext.cs
index 362dc7b16..a0cddf0b4 100644
--- a/Assets/VRM/UniVRM/Scripts/Format/VRMImporterContext.cs
+++ b/Assets/VRM/UniVRM/Scripts/Format/VRMImporterContext.cs
@@ -4,7 +4,7 @@ using System.Collections.Generic;
 using UniGLTF;
 using UnityEngine;
 using System.IO;
-
+using System.Collections;
 
 namespace VRM
 {
@@ -39,7 +39,7 @@ namespace VRM
         }
 
         #region OnLoad
-        protected override void OnLoadModel()
+        protected override IEnumerator OnLoadModel()
         {
             Root.name = "VRM";
 
@@ -47,21 +47,27 @@ namespace VRM
             {
                 LoadMeta();
             }
+            yield return null;
 
             using (MeasureTime("VRM LoadHumanoid"))
             {
                 LoadHumanoid();
             }
+            yield return null;
 
             using (MeasureTime("VRM LoadBlendShapeMaster"))
             {
                 LoadBlendShapeMaster();
             }
+            yield return null;
+
             using (MeasureTime("VRM LoadSecondary"))
             {
                 VRMSpringUtility.LoadSecondary(Root.transform, Nodes,
                 GLTF.extensions.VRM.secondaryAnimation);
             }
+            yield return null;
+
             using (MeasureTime("VRM LoadFirstPerson"))
             {
                 LoadFirstPerson();