diff --git a/metadata/ja-JP/short_description.txt b/metadata/ja-JP/short_description.txt
new file mode 100644
index 000000000..6ce1d5f72
--- /dev/null
+++ b/metadata/ja-JP/short_description.txt
@@ -0,0 +1 @@
+ピンクなAndroid版Mastodonアプリですが、様々な機能が追加されています
diff --git a/metadata/ja-JP/title.txt b/metadata/ja-JP/title.txt
new file mode 100644
index 000000000..cf946e02c
--- /dev/null
+++ b/metadata/ja-JP/title.txt
@@ -0,0 +1 @@
+Megalodon