diff --git a/cws/ja/listing-description.txt b/cws/ja/listing-description.txt
index 713b9bd..a4d7cfe 100644
--- a/cws/ja/listing-description.txt
+++ b/cws/ja/listing-description.txt
@@ -1,9 +1,9 @@
-After installing the extension, adjust it to your needs by clicking its icon in the extensions menu to access the options page. This is because features other than infinite scroll are disabled by default.
+拡張機能をインストールした後、拡張機能メニューのアイコンをクリックしてオプション ページにアクセスし、必要に応じて拡張機能を調整します。これは、無限スクロール以外の機能がデフォルトで無効になっているためです。
 
-You can see a list of all the enhancements here: https://gerrit.avm99963.com/plugins/gitiles/infinitegforums/+/HEAD/docs/features.md
+すべての機能強化のリストは、ここでご覧いただけます: https://gerrit.avm99963.com/plugins/gitiles/infinitegforums/+/HEAD/docs/features.md
 
-New additions in future updates will be disabled by default, and can be manually enabled in the options page. Join https://groups.google.com/g/twpowertools-discuss to receive updates about new functionality.
+今後のアップデートでの新規追加はデフォルトで無効になりますが、オプション ページで手動で有効にすることができます。 https://groups.google.com/g/twpowertools-discuss に参加して、新機能に関する最新情報を受け取ります。
 
-The source code is available here: https://gerrit.avm99963.com/plugins/gitiles/infinitegforums. Contributions are welcome!
+ソース コードは、https://gerrit.avm99963.com/plugins/gitiles/infinitegforums から入手できます。貢献は大歓迎です!
 
-Help translate the extension to your native language! Visit https://i18n.avm99963.com/projects/tw-power-tools/
+拡張機能をあなたの国の言語に翻訳してください! https://i18n.avm99963.com/projects/tw-power-tools/ にアクセスしてください。
diff --git a/src/lit-locales/source/ja.xlf b/src/lit-locales/source/ja.xlf
index 589042e..a8de399 100644
--- a/src/lit-locales/source/ja.xlf
+++ b/src/lit-locales/source/ja.xlf
@@ -1,38 +1,44 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-<file target-language="ja" source-language="en" original="lit-localize-inputs" datatype="plaintext">
-<body>
-<trans-unit id="s0b7ae9543c001867">
-  <source>Reply</source>
-  <note from="lit-localize">Button which is used to open the reply box.</note>
-</trans-unit>
-<trans-unit id="sa5ef80b4bb9b39f8">
-  <source>Less</source>
-  <note from="lit-localize">Button to collapse the quote message (used in the flatten threads feature).</note>
-</trans-unit>
-<trans-unit id="s37a9e8aec5713460">
-  <source>More</source>
-  <note from="lit-localize">Button to expand the quote message (used in the flatten threads feature).</note>
-</trans-unit>
-<trans-unit id="s6b0ed0c74667d28c">
-  <source><x id="0" equiv-text="${authorName}"/> said:</source>
-</trans-unit>
-<trans-unit id="s98a0ccd6f423421f">
-  <source>Nested view</source>
-  <note from="lit-localize">Label for the switch which lets users enable/disable the nested view in a thread.</note>
-</trans-unit>
-<trans-unit id="s0f92c01a67197f53">
-  <source>The TW Power Tools extension has been installed. Please reload this page so that it is activated.</source>
-  <note from="lit-localize">Message shown as a banner when the extension has been installed, to let the user know that they should reload the page.</note>
-</trans-unit>
-<trans-unit id="sb2c523c904424868">
-  <source>The TW Power Tools extension has been updated. Please reload this page so that it continues to work properly.</source>
-  <note from="lit-localize">Message shown as a banner when the extension has been updated, to let the user know that they should reload the page.</note>
-</trans-unit>
-<trans-unit id="sd5b6130b4937488c">
-  <source>Reload</source>
-  <note from="lit-localize">Button which reloads the current page.</note>
-</trans-unit>
-</body>
-</file>
+<xliff xmlns="urn:oasis:names:tc:xliff:document:1.2" version="1.2">
+  <file target-language="ja" source-language="en" original="lit-localize-inputs" datatype="plaintext">
+    <body>
+      <trans-unit id="s0b7ae9543c001867" xml:space="preserve">
+        <source>Reply</source>
+        <target state="translated">返信</target>
+        <note from="lit-localize">Button which is used to open the reply box.</note>
+      </trans-unit>
+      <trans-unit id="sa5ef80b4bb9b39f8" xml:space="preserve">
+        <source>Less</source>
+        <target state="translated">少ない</target>
+        <note from="lit-localize">Button to collapse the quote message (used in the flatten threads feature).</note>
+      </trans-unit>
+      <trans-unit id="s37a9e8aec5713460">
+        <source>More</source>
+        <note from="lit-localize">Button to expand the quote message (used in the flatten threads feature).</note>
+      </trans-unit>
+      <trans-unit id="s6b0ed0c74667d28c" xml:space="preserve">
+        <source><x id="0" equiv-text="${authorName}"/> said:</source>
+        <target state="translated"><x id="0" equiv-text="${authorName}"/> さんの投稿:</target>
+      </trans-unit>
+      <trans-unit id="s98a0ccd6f423421f">
+        <source>Nested view</source>
+        <note from="lit-localize">Label for the switch which lets users enable/disable the nested view in a thread.</note>
+      </trans-unit>
+      <trans-unit id="s0f92c01a67197f53" xml:space="preserve">
+        <source>The TW Power Tools extension has been installed. Please reload this page so that it is activated.</source>
+        <target state="translated">TW Power Tools 拡張機能がインストールされています。このページを再読み込みして有効にしてください。</target>
+        <note from="lit-localize">Message shown as a banner when the extension has been installed, to let the user know that they should reload the page.</note>
+      </trans-unit>
+      <trans-unit id="sb2c523c904424868" xml:space="preserve">
+        <source>The TW Power Tools extension has been updated. Please reload this page so that it continues to work properly.</source>
+        <target state="translated">TW Power Tools 拡張機能が更新されました。正常に動作し続けるために、このページをリロードしてください。</target>
+        <note from="lit-localize">Message shown as a banner when the extension has been updated, to let the user know that they should reload the page.</note>
+      </trans-unit>
+      <trans-unit id="sd5b6130b4937488c" xml:space="preserve">
+        <source>Reload</source>
+        <target state="translated">再読み込み</target>
+        <note from="lit-localize">Button which reloads the current page.</note>
+      </trans-unit>
+    </body>
+  </file>
 </xliff>