diff --git a/src/main/resources/locales/ja-JP.yml b/src/main/resources/locales/ja-JP.yml
new file mode 100644
index 0000000..57064d9
--- /dev/null
+++ b/src/main/resources/locales/ja-JP.yml
@@ -0,0 +1,7 @@
+---
+acidisland:
+  sign:
+    line0: "＆1AcidIsland"
+    line2: 水は酸性です！
+    line1: "[name]"
+    line3: 注意してください！ &c<3