diff --git a/lang/ja.json b/lang/ja.json
index 5e2c72f..51ac782 100644
--- a/lang/ja.json
+++ b/lang/ja.json
@@ -313,5 +313,44 @@
   "DG.ItemWindow.Ritual.ActivationTime": "実行時間",
   "DG.ItemWindow.Ritual.ActivationCosts": "実行コスト",
   "DG.ItemWindow.Ritual.StudyTime": "研究期間",
-  "DG.ItemWindow.Ritual.LearnedSanityDamage": "習得時SANダメージ"
+  "DG.ItemWindow.Ritual.LearnedSanityDamage": "習得時SANダメージ",
+
+  "DG.Skills.ruby.accounting": "けいり",
+  "DG.Skills.ruby.alertness": "けいかい",
+  "DG.Skills.ruby.anthropology": "じんるいがく",
+  "DG.Skills.ruby.archeology": "こうこがく",
+  "DG.Skills.ruby.artillery": "ほう",
+  "DG.Skills.ruby.athletics": "うんどう",
+  "DG.Skills.ruby.bureaucracy": "かんりょう",
+  "DG.Skills.ruby.computer_science": "こんぴゅーたー",
+  "DG.Skills.ruby.criminology": "はんざいがく",
+  "DG.Skills.ruby.demolitions": "ばくは",
+  "DG.Skills.ruby.disguise": "へんそう",
+  "DG.Skills.ruby.dodge": "かいひ",
+  "DG.Skills.ruby.drive": "うんてん",
+  "DG.Skills.ruby.firearms": "しゃげき",
+  "DG.Skills.ruby.first_aid": "おうきゅうてあて",
+  "DG.Skills.ruby.forensics": "ほういがく",
+  "DG.Skills.ruby.heavy_machiner": "じゅうきかいそうさ",
+  "DG.Skills.ruby.heavy_weapons": "じゅうかき",
+  "DG.Skills.ruby.history": "れきし",
+  "DG.Skills.ruby.humint": "ちょうほう",
+  "DG.Skills.ruby.law": "ほうりつ",
+  "DG.Skills.ruby.medicine": "いがく",
+  "DG.Skills.ruby.melee_weapons": "きんせつぶき",
+  "DG.Skills.ruby.navigate": "なびげーと",
+  "DG.Skills.ruby.occult": "おかると",
+  "DG.Skills.ruby.persuade": "せっとく",
+  "DG.Skills.ruby.pharmacy": "やくがく",
+  "DG.Skills.ruby.psychotherapy": "しんりりょうほう",
+  "DG.Skills.ruby.ride": "じょうば",
+  "DG.Skills.ruby.search": "そうさく",
+  "DG.Skills.ruby.sigint": "しぎんと",
+  "DG.Skills.ruby.stealth": "おんみつ",
+  "DG.Skills.ruby.surgery": "しゅじゅつ",
+  "DG.Skills.ruby.survival": "さばいばる",
+  "DG.Skills.ruby.swim": "すいえい",
+  "DG.Skills.ruby.unarmed_combat": "としゅかくとう",
+  "DG.Skills.ruby.unnatural": "ひしぜん",
+  "DG.Skills.ruby.flight": "ひこう"
 }
diff --git a/module/actor/actor-sheet.js b/module/actor/actor-sheet.js
index 9ca1dc1..880690e 100644
--- a/module/actor/actor-sheet.js
+++ b/module/actor/actor-sheet.js
@@ -75,7 +75,12 @@ export default class DeltaGreenActorSheet extends ActorSheet {
       let sortedSkills = [];
       for (const [key, skill] of Object.entries(this.actor.system.skills)) {
         skill.key = key;
-        skill.sortLabel = game.i18n.localize(`DG.Skills.${key}`);
+
+        if (game.i18n.lang === "ja") {
+          skill.sortLabel = game.i18n.localize(`DG.Skills.ruby.${key}`);
+        } else {
+          skill.sortLabel = game.i18n.localize(`DG.Skills.${key}`);
+        }
 
         if (skill.sortLabel === "" || skill.sortLabel === `DG.Skills.${key}`) {
           skill.sortLabel = skill.key;