diff --git a/src/qt_gui/translations/ja_JP.ts b/src/qt_gui/translations/ja_JP.ts
index 57fa859d1..dd10956f3 100644
--- a/src/qt_gui/translations/ja_JP.ts
+++ b/src/qt_gui/translations/ja_JP.ts
@@ -463,7 +463,7 @@
     </message>
     <message>
       <source>Back</source>
-      <translation type="unfinished">Back</translation>
+      <translation>戻る</translation>
     </message>
     <message>
       <source>R1 / RB</source>
@@ -523,15 +523,15 @@
     </message>
     <message>
       <source>R:</source>
-      <translation type="unfinished">R:</translation>
+      <translation>R:</translation>
     </message>
     <message>
       <source>G:</source>
-      <translation type="unfinished">G:</translation>
+      <translation>G:</translation>
     </message>
     <message>
       <source>B:</source>
-      <translation type="unfinished">B:</translation>
+      <translation>B:</translation>
     </message>
     <message>
       <source>Override Lightbar Color</source>
@@ -551,19 +551,19 @@
     </message>
     <message>
       <source>Save</source>
-      <translation type="unfinished">Save</translation>
+      <translation>保存</translation>
     </message>
     <message>
       <source>Apply</source>
-      <translation type="unfinished">Apply</translation>
+      <translation>適用</translation>
     </message>
     <message>
       <source>Restore Defaults</source>
-      <translation type="unfinished">Restore Defaults</translation>
+      <translation>デフォルトに戻す</translation>
     </message>
     <message>
       <source>Cancel</source>
-      <translation type="unfinished">Cancel</translation>
+      <translation>キャンセル</translation>
     </message>
   </context>
   <context>
@@ -574,11 +574,11 @@
     </message>
     <message>
       <source>Use Per-Game configs</source>
-      <translation type="unfinished">Use Per-Game configs</translation>
+      <translation>ゲームごとの設定を使用する</translation>
     </message>
     <message>
       <source>Error</source>
-      <translation type="unfinished">Error</translation>
+      <translation>エラー</translation>
     </message>
     <message>
       <source>Could not open the file for reading</source>
@@ -590,11 +590,11 @@
     </message>
     <message>
       <source>Save Changes</source>
-      <translation type="unfinished">Save Changes</translation>
+      <translation>変更を保存</translation>
     </message>
     <message>
       <source>Do you want to save changes?</source>
-      <translation type="unfinished">Do you want to save changes?</translation>
+      <translation>変更を保存しますか？</translation>
     </message>
     <message>
       <source>Help</source>
@@ -610,7 +610,7 @@
     </message>
     <message>
       <source>Reset to Default</source>
-      <translation type="unfinished">Reset to Default</translation>
+      <translation>デフォルトに戻す</translation>
     </message>
   </context>
   <context>
@@ -848,7 +848,7 @@
     </message>
     <message>
       <source>Delete Trophy</source>
-      <translation type="unfinished">Delete Trophy</translation>
+      <translation>トロフィーを削除</translation>
     </message>
     <message>
       <source>Compatibility...</source>
@@ -944,7 +944,7 @@
     </message>
     <message>
       <source>Trophy</source>
-      <translation type="unfinished">Trophy</translation>
+      <translation>トロフィー</translation>
     </message>
     <message>
       <source>SFO Viewer for </source>
@@ -959,7 +959,7 @@
     </message>
     <message>
       <source>FAQ</source>
-      <translation type="unfinished">FAQ</translation>
+      <translation>FAQ</translation>
     </message>
     <message>
       <source>Syntax</source>
@@ -982,11 +982,11 @@
     </message>
     <message>
       <source>D-Pad</source>
-      <translation type="unfinished">D-Pad</translation>
+      <translation>十字キー</translation>
     </message>
     <message>
       <source>Up</source>
-      <translation type="unfinished">Up</translation>
+      <translation>上</translation>
     </message>
     <message>
       <source>unmapped</source>
@@ -994,15 +994,15 @@
     </message>
     <message>
       <source>Left</source>
-      <translation type="unfinished">Left</translation>
+      <translation>左</translation>
     </message>
     <message>
       <source>Right</source>
-      <translation type="unfinished">Right</translation>
+      <translation>右</translation>
     </message>
     <message>
       <source>Down</source>
-      <translation type="unfinished">Down</translation>
+      <translation>下</translation>
     </message>
     <message>
       <source>Left Analog Halfmode</source>
@@ -1014,7 +1014,7 @@
     </message>
     <message>
       <source>Left Stick</source>
-      <translation type="unfinished">Left Stick</translation>
+      <translation>左スティック</translation>
     </message>
     <message>
       <source>Config Selection</source>
@@ -1030,11 +1030,11 @@
     </message>
     <message>
       <source>L1</source>
-      <translation type="unfinished">L1</translation>
+      <translation>L1</translation>
     </message>
     <message>
       <source>L2</source>
-      <translation type="unfinished">L2</translation>
+      <translation>L2</translation>
     </message>
     <message>
       <source>Text Editor</source>
@@ -1046,15 +1046,15 @@
     </message>
     <message>
       <source>R1</source>
-      <translation type="unfinished">R1</translation>
+      <translation>R1</translation>
     </message>
     <message>
       <source>R2</source>
-      <translation type="unfinished">R2</translation>
+      <translation>R2</translation>
     </message>
     <message>
       <source>L3</source>
-      <translation type="unfinished">L3</translation>
+      <translation>L3</translation>
     </message>
     <message>
       <source>Mouse to Joystick</source>
@@ -1066,7 +1066,7 @@
     </message>
     <message>
       <source>R3</source>
-      <translation type="unfinished">R3</translation>
+      <translation>R3</translation>
     </message>
     <message>
       <source>Options</source>
@@ -1162,19 +1162,19 @@
     </message>
     <message>
       <source>Save</source>
-      <translation type="unfinished">Save</translation>
+      <translation>保存</translation>
     </message>
     <message>
       <source>Apply</source>
-      <translation type="unfinished">Apply</translation>
+      <translation>適用</translation>
     </message>
     <message>
       <source>Restore Defaults</source>
-      <translation type="unfinished">Restore Defaults</translation>
+      <translation>デフォルトに戻す</translation>
     </message>
     <message>
       <source>Cancel</source>
-      <translation type="unfinished">Cancel</translation>
+      <translation>キャンセル</translation>
     </message>
     <message>
       <source>Cannot bind any unique input more than once. Duplicate inputs mapped to the following buttons:
@@ -1417,43 +1417,43 @@
     </message>
     <message>
       <source>Play</source>
-      <translation type="unfinished">Play</translation>
+      <translation>プレイ</translation>
     </message>
     <message>
       <source>Pause</source>
-      <translation type="unfinished">Pause</translation>
+      <translation>一時停止</translation>
     </message>
     <message>
       <source>Stop</source>
-      <translation type="unfinished">Stop</translation>
+      <translation>停止</translation>
     </message>
     <message>
       <source>Restart</source>
-      <translation type="unfinished">Restart</translation>
+      <translation>再起動</translation>
     </message>
     <message>
       <source>Full Screen</source>
-      <translation type="unfinished">Full Screen</translation>
+      <translation>全画面表示</translation>
     </message>
     <message>
       <source>Controllers</source>
-      <translation type="unfinished">Controllers</translation>
+      <translation>コントローラー</translation>
     </message>
     <message>
       <source>Keyboard</source>
-      <translation type="unfinished">Keyboard</translation>
+      <translation>キーボード</translation>
     </message>
     <message>
       <source>Refresh List</source>
-      <translation type="unfinished">Refresh List</translation>
+      <translation>リストの更新</translation>
     </message>
     <message>
       <source>Resume</source>
-      <translation type="unfinished">Resume</translation>
+      <translation>再開</translation>
     </message>
     <message>
       <source>Show Labels Under Icons</source>
-      <translation type="unfinished">Show Labels Under Icons</translation>
+      <translation>アイコンの下にラベルを表示</translation>
     </message>
   </context>
   <context>
@@ -1636,7 +1636,7 @@
     </message>
     <message>
       <source>Copy GPU Buffers</source>
-      <translation type="unfinished">Copy GPU Buffers</translation>
+      <translation>GPU バッファーをコピー</translation>
     </message>
     <message>
       <source>Host Debug Markers</source>
@@ -1944,31 +1944,31 @@
     </message>
     <message>
       <source>Display Mode</source>
-      <translation type="unfinished">Display Mode</translation>
+      <translation>表示モード</translation>
     </message>
     <message>
       <source>Windowed</source>
-      <translation type="unfinished">Windowed</translation>
+      <translation>ウィンドウ表示</translation>
     </message>
     <message>
       <source>Fullscreen</source>
-      <translation type="unfinished">Fullscreen</translation>
+      <translation>全画面表示</translation>
     </message>
     <message>
       <source>Fullscreen (Borderless)</source>
-      <translation type="unfinished">Fullscreen (Borderless)</translation>
+      <translation>全画面表示(ボーダレス)</translation>
     </message>
     <message>
       <source>Window Size</source>
-      <translation type="unfinished">Window Size</translation>
+      <translation>ウィンドウサイズ</translation>
     </message>
     <message>
       <source>W:</source>
-      <translation type="unfinished">W:</translation>
+      <translation>W:</translation>
     </message>
     <message>
       <source>H:</source>
-      <translation type="unfinished">H:</translation>
+      <translation>H:</translation>
     </message>
     <message>
       <source>Separate Log Files</source>
@@ -1984,11 +1984,11 @@
     </message>
     <message>
       <source>Left</source>
-      <translation type="unfinished">Left</translation>
+      <translation>左</translation>
     </message>
     <message>
       <source>Right</source>
-      <translation type="unfinished">Right</translation>
+      <translation>右</translation>
     </message>
     <message>
       <source>Top</source>
@@ -2000,7 +2000,7 @@
     </message>
     <message>
       <source>Notification Duration</source>
-      <translation type="unfinished">Notification Duration</translation>
+      <translation>通知表示時間</translation>
     </message>
     <message>
       <source>Portable User Folder</source>
@@ -2020,7 +2020,7 @@
     </message>
     <message>
       <source>%1 already exists</source>
-      <translation type="unfinished">%1 already exists</translation>
+      <translation>%1 は既に存在します</translation>
     </message>
     <message>
       <source>Portable user folder created</source>
@@ -2036,7 +2036,7 @@
     </message>
     <message>
       <source> * Unsupported Vulkan Version</source>
-      <translation type="unfinished"> * Unsupported Vulkan Version</translation>
+      <translation> * サポートされていないVulkanバージョン</translation>
     </message>
   </context>
   <context>
@@ -2055,15 +2055,15 @@
     </message>
     <message>
       <source>Show Earned Trophies</source>
-      <translation type="unfinished">Show Earned Trophies</translation>
+      <translation>獲得したトロフィーを表示</translation>
     </message>
     <message>
       <source>Show Not Earned Trophies</source>
-      <translation type="unfinished">Show Not Earned Trophies</translation>
+      <translation>未獲得のトロフィーを表示</translation>
     </message>
     <message>
       <source>Show Hidden Trophies</source>
-      <translation type="unfinished">Show Hidden Trophies</translation>
+      <translation>隠しトロフィーを表示</translation>
     </message>
   </context>
 </TS>