diff --git a/Assets/UniGLTF/Runtime/Utils/UniGLTFLogger.cs b/Assets/UniGLTF/Runtime/Utils/UniGLTFLogger.cs
index 98bcebf9b..594636d4a 100644
--- a/Assets/UniGLTF/Runtime/Utils/UniGLTFLogger.cs
+++ b/Assets/UniGLTF/Runtime/Utils/UniGLTFLogger.cs
@@ -4,8 +4,55 @@ namespace UniGLTF
 {
     public static class UniGLTFLogger
     {
+        class DefaultUnityLogger : ILogHandler
+        {
+            public void LogException(System.Exception exception, UnityEngine.Object context)
+            {
+                Debug.LogException(exception, context);
+            }
+
+            public void LogFormat(LogType logType, UnityEngine.Object context, string format, params object[] args)
+            {
+                switch (logType)
+                {
+                    case LogType.Error:
+                        Debug.LogError(string.Format(format, args), context);
+                        break;
+                    case LogType.Assert:
+                        Debug.LogAssertion(string.Format(format, args), context);
+                        break;
+                    case LogType.Warning:
+                        Debug.LogWarning(string.Format(format, args), context);
+                        break;
+                    case LogType.Log:
+                        Debug.Log(string.Format(format, args), context);
+                        break;
+                    case LogType.Exception:
+                        // where exception ?
+                        Debug.LogError(string.Format(format, args), context);
+                        break;
+                    default:
+                        throw new System.NotImplementedException();
+                }
+            }
+        }
+
+        static ILogHandler s_logger = new DefaultUnityLogger();
+
+        public static void SetLogger(ILogHandler logger)
+        {
+            if (logger != null)
+            {
+                s_logger = logger;
+            }
+            else
+            {
+                s_logger = new DefaultUnityLogger();
+            }
+        }
+
         [System.Diagnostics.Conditional("VRM_DEVELOP")]
         [HideInCallstack]
-        public static void Log(string msg) => Debug.Log(msg);
+        public static void Log(string msg, UnityEngine.Object context = null) => s_logger.LogFormat(LogType.Log, context, msg);
     }
 }
\ No newline at end of file