diff --git a/titles/chuni/index.py b/titles/chuni/index.py
index dd49cc6..144f770 100644
--- a/titles/chuni/index.py
+++ b/titles/chuni/index.py
@@ -94,14 +94,19 @@ class ChuniServlet(BaseServlet):
 
         known_iter_counts = {
             ChuniConstants.VER_CHUNITHM_CRYSTAL_PLUS: 67,
+            f"{ChuniConstants.VER_CHUNITHM_CRYSTAL_PLUS}_int": 25, # SUPERSTAR
             ChuniConstants.VER_CHUNITHM_PARADISE: 44,
-            f"{ChuniConstants.VER_CHUNITHM_PARADISE}_int": 25,
+            f"{ChuniConstants.VER_CHUNITHM_PARADISE}_int": 51, # SUPERSTAR PLUS
             ChuniConstants.VER_CHUNITHM_NEW: 54,
             f"{ChuniConstants.VER_CHUNITHM_NEW}_int": 49,
             ChuniConstants.VER_CHUNITHM_NEW_PLUS: 25,
+            f"{ChuniConstants.VER_CHUNITHM_NEW_PLUS}_int": 31,
             ChuniConstants.VER_CHUNITHM_SUN: 70,
+            f"{ChuniConstants.VER_CHUNITHM_SUN}_int": 35,
             ChuniConstants.VER_CHUNITHM_SUN_PLUS: 36,
+            f"{ChuniConstants.VER_CHUNITHM_SUN_PLUS}_int": 36,
             ChuniConstants.VER_CHUNITHM_LUMINOUS: 8,
+            f"{ChuniConstants.VER_CHUNITHM_LUMINOUS}_int": 8,
         }
 
         for version, keys in self.game_cfg.crypto.keys.items():
@@ -233,8 +238,10 @@ class ChuniServlet(BaseServlet):
           elif version >= 220:  # LUMINOUS
               internal_ver = ChuniConstants.VER_CHUNITHM_LUMINOUS
         elif game_code == "SDGS": # Int
-          if version < 110: # SUPERSTAR / SUPERSTAR PLUS
-              internal_ver = ChuniConstants.VER_CHUNITHM_PARADISE # SUPERSTAR / SUPERSTAR PLUS worked fine with it
+          if version < 105: # SUPERSTAR
+              internal_ver = ChuniConstants.VER_CHUNITHM_CRYSTAL_PLUS
+          elif version >= 105 and version < 110: # SUPERSTAR PLUS *Cursed but needed due to different encryption key
+              internal_ver = ChuniConstants.VER_CHUNITHM_PARADISE
           elif version >= 110 and version < 115: # NEW
               internal_ver = ChuniConstants.VER_CHUNITHM_NEW
           elif version >= 115 and version < 120: # NEW PLUS!!
@@ -353,9 +360,9 @@ class ChuniServlet(BaseServlet):
         padded = pad(zipped, 16)
 
         crypt = AES.new(
-            bytes.fromhex(self.game_cfg.crypto.keys[internal_ver][0]),
+            bytes.fromhex(self.game_cfg.crypto.keys[crypto_cfg_key][0]),
             AES.MODE_CBC,
-            bytes.fromhex(self.game_cfg.crypto.keys[internal_ver][1]),
+            bytes.fromhex(self.game_cfg.crypto.keys[crypto_cfg_key][1]),
         )
 
         return Response(crypt.encrypt(padded))
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