diff --git a/ue.json b/ue.json
index d25f01b..7a701d4 100644
--- a/ue.json
+++ b/ue.json
@@ -371,9 +371,22 @@
       "ref": "https://en.wikipedia.org/wiki/atmosphere_of_earth"
     },
     "universe": {
-      "name": "universe",
+      "system": {
+        "enum": [
+          "choices",
+          "diagnosis",
+          "fate"
+        ],
+        "body": {
+          "text": "this world is made up of three elements: choices, diagnosis, and fate",
+          "lang": {
+            "ja": "この世界はchoices(選択), diagnosis(診断)、fate(運)という3つの要素で構成されます"
+          }
+        }
+      },
+      "name": "world",
       "lang": {
-        "ja": "宇宙"
+        "ja": "世界"
       },
       "uri": "https://eyes.nasa.gov/apps/solar-system",
       "ref": "https://en.wikipedia.org/wiki/universe",