diff --git a/app/src/main/assets/data.json b/app/src/main/assets/data.json
index a3cb0d7..2f2622d 100644
--- a/app/src/main/assets/data.json
+++ b/app/src/main/assets/data.json
@@ -207,5 +207,22 @@
       "name": "常闇の神殿(秋の間)",
       "rank": 19
     }
+  ],
+  "grade": [
+    {
+      "id": 0,
+      "name": "特級L",
+      "rank": 0
+    },
+    {
+      "id": 1,
+      "name": "特級M",
+      "rank": 1
+    },
+    {
+      "id": 2,
+      "name": "特級",
+      "rank": 2
+    }
   ]
 }