diff --git a/titles/chuni/sun.py b/titles/chuni/sun.py
index 94dc1eb..4957c4b 100644
--- a/titles/chuni/sun.py
+++ b/titles/chuni/sun.py
@@ -16,4 +16,14 @@ class ChuniSun(ChuniNewPlus):
 
         # hardcode lastDataVersion for CardMaker 1.35 A032
         user_data["lastDataVersion"] = "2.10.00"
-        return user_data
\ No newline at end of file
+        return user_data
+
+    #SDGS Exclusive
+    async def handle_get_user_cto_c_play_api_request(self, data: Dict) -> Dict:
+        return {
+            "userId": data["userId"],
+            "orderBy": "0",
+            "count": "0",
+            #game request c2c play history while login but seem unused(?)
+            "userCtoCPlayList": [],
+        }
\ No newline at end of file