diff --git a/locales/cs-CZ.yml b/locales/cs-CZ.yml
index ed97d539c..17deab942 100644
--- a/locales/cs-CZ.yml
+++ b/locales/cs-CZ.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Čeština"
diff --git a/locales/da-DK.yml b/locales/da-DK.yml
index ed97d539c..08c15ed09 100644
--- a/locales/da-DK.yml
+++ b/locales/da-DK.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Dansk"
diff --git a/locales/de-DE.yml b/locales/de-DE.yml
index ed97d539c..ed72dab7f 100644
--- a/locales/de-DE.yml
+++ b/locales/de-DE.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Deutsch"
diff --git a/locales/en-US.yml b/locales/en-US.yml
index 09e7fd208..226721692 100644
--- a/locales/en-US.yml
+++ b/locales/en-US.yml
@@ -1,20 +1,5 @@
 ---
-_ago:
-  unknown: "Unknown"
-  future: "Future"
-  justNow: "Just now"
-  secondsAgo: "{n}s ago"
-  minutesAgo: "{n}m ago"
-  hoursAgo: "{n}h ago"
-  daysAgo: "{n}d ago"
-  weeksAgo: "{n}week(s) ago"
-  monthsAgo: "{n}month(s) ago"
-  yearsAgo: "{n}year(s) ago"
-_time:
-  second: "s"
-  minute: "m"
-  hour: "h"
-  day: "d"
+_lang_: "English"
 introMisskey: "Welcome! Misskey is an open source distributed microblogging service.\nCreate \"notes\" to share what's happening or to tell everyone about you📡\nThen send \"reactions\" to respond quickly to everyone's notes👍\nLet's explore a new world🚀"
 monthAndDay: "{month}/{day}"
 search: "Search"
@@ -84,7 +69,7 @@ enterListName: "List name"
 privacy: "Privacy"
 makeFollowManuallyApprove: "Follow requests require approval"
 defaultNoteVisibility: "Default visibility"
-follow: "Following"
+follow: "Follow"
 followRequest: "Request follow"
 followRequests: "Follow requests"
 unfollow: "Unfollow"
@@ -127,7 +112,7 @@ flagAsBot: "This account is a bot"
 flagAsCat: "This account is a cat"
 autoAcceptFollowed: "Automatically approve follow requests from users you're following"
 addAcount: "Add Account"
-loginFailed: "Sign in failure"
+loginFailed: "Failed to sign in"
 showOnRemote: "View on remote instance"
 general: "General"
 wallpaper: "Wallpaper"
@@ -264,8 +249,8 @@ instanceDescription: "Instance description"
 maintainerName: "Maintainer"
 maintainerEmail: "Maintainer email"
 tosUrl: "Terms of Service URL"
-thisYear: "This year"
-thisMonth: "This month"
+thisYear: "Year"
+thisMonth: "Month"
 today: "Today"
 dayX: "{day} days"
 monthX: "{month} months"
@@ -370,12 +355,52 @@ members: "Members"
 transfer: "Transfer"
 messagingWithUser: "Messaging with other user"
 messagingWithGroup: "Messaging within group"
+title: "Title"
+text: "Text"
 enable: "Enable"
 next: "Next"
 retype: "Enter again"
 noteOf: "{user}'s notes"
 inviteToGroup: "Invite to group"
 maxNoteTextLength: "Character limit of the note"
+quoteAttached: "Quoted"
+quoteQuestion: "Do you want to append a quote?"
+noMessagesYet: "No messages yet"
+newMessageExists: "You've got a new message"
+onlyOneFileCanBeAttached: "You can only attach one file to a message"
+signinRequired: "Please sign in"
+invitationCode: "Invitation code"
+checking: "Checking"
+available: "Available"
+unavailable: "Not available"
+usernameInvalidFormat: "letters, numbers and _ are acceptable."
+tooShort: "Too short"
+tooLong: "Too long"
+weakPassword: "Weak password"
+normalPassword: "Good password"
+strongPassword: "Strong password"
+passwordMatched: "Matched"
+passwordNotMatched: "Doesn't match"
+signinWith: "Sign in with {x}"
+tapSecurityKey: "Tap your security key"
+or: "Or"
+uiLanguage: "UI display language"
+_ago:
+  unknown: "Unknown"
+  future: "Future"
+  justNow: "Just now"
+  secondsAgo: "{n}s ago"
+  minutesAgo: "{n}m ago"
+  hoursAgo: "{n}h ago"
+  daysAgo: "{n}d ago"
+  weeksAgo: "{n}week(s) ago"
+  monthsAgo: "{n}month(s) ago"
+  yearsAgo: "{n}year(s) ago"
+_time:
+  second: "s"
+  minute: "m"
+  hour: "h"
+  day: "d"
 _tutorial:
   title: "How to use Misskey"
   step1_1: "Welcome!"
diff --git a/locales/es-ES.yml b/locales/es-ES.yml
index 14926c379..b730b15b3 100644
--- a/locales/es-ES.yml
+++ b/locales/es-ES.yml
@@ -1,20 +1,5 @@
 ---
-_ago:
-  unknown: "Desconocido"
-  future: "Futuro"
-  justNow: "Recién ahora"
-  secondsAgo: "Hace {n} segundos"
-  minutesAgo: "Hace {n} minutos"
-  hoursAgo: "Hace {n} horas"
-  daysAgo: "Hace {n} días"
-  weeksAgo: "Hace {n} semanas"
-  monthsAgo: "Hace {n} meses"
-  yearsAgo: "Hace {n} años"
-_time:
-  second: "Segundos"
-  minute: "Minutos"
-  hour: "Horas"
-  day: "Días"
+_lang_: "Español"
 introMisskey: "¡Bienvenido/a! Misskey es un servicio de microblogging descentralizado de código abierto. Escribe \"notas\" para compartir lo que te ocurre ahora o para contar sobre ti a todos. 📡\nCon la función de \"reacciones\", puedes también añadir una reacción rápida a las notas de todos.👍\nExplora un nuevo mundo.🚀"
 monthAndDay: "{day}/{month}"
 search: "Buscar"
@@ -370,12 +355,30 @@ members: "Miembros"
 transfer: "Transferir"
 messagingWithUser: "Chatear con usuario"
 messagingWithGroup: "Chatear en grupo"
+title: "Título"
+text: "Texto"
 enable: "Activar"
 next: "Siguiente"
 retype: "Intentar de nuevo"
 noteOf: "Notas de {user}"
 inviteToGroup: "Invitar al grupo"
 maxNoteTextLength: "Límite de caracteres en una nota"
+_ago:
+  unknown: "Desconocido"
+  future: "Futuro"
+  justNow: "Recién ahora"
+  secondsAgo: "Hace {n} segundos"
+  minutesAgo: "Hace {n} minutos"
+  hoursAgo: "Hace {n} horas"
+  daysAgo: "Hace {n} días"
+  weeksAgo: "Hace {n} semanas"
+  monthsAgo: "Hace {n} meses"
+  yearsAgo: "Hace {n} años"
+_time:
+  second: "Segundos"
+  minute: "Minutos"
+  hour: "Horas"
+  day: "Días"
 _tutorial:
   title: "Cómo usar Misskey"
   step1_1: "Bienvenido"
diff --git a/locales/fr-FR.yml b/locales/fr-FR.yml
index ed97d539c..49f04e024 100644
--- a/locales/fr-FR.yml
+++ b/locales/fr-FR.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Français"
diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index 163ba733f..2447b5ae3 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -1,20 +1,5 @@
 ---
-_ago:
-  unknown: "謎"
-  future: "未来"
-  justNow: "たった今"
-  secondsAgo: "{n}秒前"
-  minutesAgo: "{n}分前"
-  hoursAgo: "{n}時間前"
-  daysAgo: "{n}日前"
-  weeksAgo: "{n}週間前"
-  monthsAgo: "{n}ヶ月前"
-  yearsAgo: "{n}年前"
-_time:
-  second: "秒"
-  minute: "分"
-  hour: "時間"
-  day: "日"
+_lang_: "日本語 (関西弁)"
 introMisskey: "ようこそ！Misskeyは、オープンソースの分散型マイクロブログサービスやねん。\n「ノート」を作成しぃ、いま起こっとることを共有したり、あんたについて皆に発信しよう📡\n「リアクション」機能で、皆のノートに素はよ反応を追加することもできます✌\n新しい世界を探検しよう🚀"
 monthAndDay: "{month}月 {day}日"
 search: "探す"
@@ -124,6 +109,22 @@ aboutMisskey: "Misskeyってなんや？"
 notFoundDescription: "指定されたURLに該当するページはあらへんやった。"
 close: "さいなら"
 joinedGroups: "参加しとるグループ"
+_ago:
+  unknown: "謎"
+  future: "未来"
+  justNow: "たった今"
+  secondsAgo: "{n}秒前"
+  minutesAgo: "{n}分前"
+  hoursAgo: "{n}時間前"
+  daysAgo: "{n}日前"
+  weeksAgo: "{n}週間前"
+  monthsAgo: "{n}ヶ月前"
+  yearsAgo: "{n}年前"
+_time:
+  second: "秒"
+  minute: "分"
+  hour: "時間"
+  day: "日"
 _2fa:
   alreadyRegistered: "もう設定終わっとるわ"
 _auth:
diff --git a/locales/kn-IN.yml b/locales/kn-IN.yml
new file mode 100644
index 000000000..a356c37e6
--- /dev/null
+++ b/locales/kn-IN.yml
@@ -0,0 +1,2 @@
+---
+_lang_: "ಕನ್ನಡ"
diff --git a/locales/ko-KR.yml b/locales/ko-KR.yml
index 6882754ee..9bb1dff8e 100644
--- a/locales/ko-KR.yml
+++ b/locales/ko-KR.yml
@@ -1,20 +1,5 @@
 ---
-_ago:
-  unknown: "알 수 없음"
-  future: "미래"
-  justNow: "방금 전"
-  secondsAgo: "{n}초 전"
-  minutesAgo: "{n}분 전"
-  hoursAgo: "{n}시간 전"
-  daysAgo: "{n}일 전"
-  weeksAgo: "{n}주 전"
-  monthsAgo: "{n}개월 전"
-  yearsAgo: "{n}년 전"
-_time:
-  second: "초"
-  minute: "분"
-  hour: "시간"
-  day: "일"
+_lang_: "한국어"
 introMisskey: "환영합니다! Misskey 는 오픈 소스 분산형 마이크로 블로그 서비스입니다.\n\"노트\" 를 작성해서, 지금 일어나고 있는 일을 공유하거나, 당신만의 이야기를 모두에게 발신하세요📡\n\"리액션\" 기능으로, 친구의 노트에 총알같이 반응을 추가할 수도 있습니다👍\n새로운 세계를 탐험해 보세요🚀"
 monthAndDay: "{month}월 {day}일"
 search: "검색"
@@ -370,12 +355,52 @@ members: "멤버"
 transfer: "양도"
 messagingWithUser: "유저와 대화하기"
 messagingWithGroup: "그룹끼리 대화하기"
+title: "제목"
+text: "텍스트"
 enable: "사용"
 next: "다음"
 retype: "다시 입력"
 noteOf: "{user}의 노트"
 inviteToGroup: "그룹에 초대하기"
 maxNoteTextLength: "노트의 문자 수 제한"
+quoteAttached: "인용함"
+quoteQuestion: "인용해서 작성하시겠습니까?"
+noMessagesYet: "아직 대화가 없습니다"
+newMessageExists: "새 메시지가 있습니다"
+onlyOneFileCanBeAttached: "메시지에 첨부할 수 있는 파일은 하나까지입니다"
+signinRequired: "로그인 해주세요"
+invitationCode: "초대 코드"
+checking: "확인하는 중입니다"
+available: "사용 가능합니다"
+unavailable: "사용할 수 없습니다"
+usernameInvalidFormat: "a~z, A~Z, 0-9, _를 사용할 수 있습니다"
+tooShort: "너무 짧습니다"
+tooLong: "너무 깁니다"
+weakPassword: "약한 비밀번호"
+normalPassword: "좋은 비밀번호"
+strongPassword: "강한 비밀번호"
+passwordMatched: "일치합니다"
+passwordNotMatched: "일치하지 않습니다"
+signinWith: "{x}로 로그인"
+tapSecurityKey: "보안 키를 터치"
+or: "혹은"
+uiLanguage: "UI 표시 언어"
+_ago:
+  unknown: "알 수 없음"
+  future: "미래"
+  justNow: "방금 전"
+  secondsAgo: "{n}초 전"
+  minutesAgo: "{n}분 전"
+  hoursAgo: "{n}시간 전"
+  daysAgo: "{n}일 전"
+  weeksAgo: "{n}주 전"
+  monthsAgo: "{n}개월 전"
+  yearsAgo: "{n}년 전"
+_time:
+  second: "초"
+  minute: "분"
+  hour: "시간"
+  day: "일"
 _tutorial:
   title: "Misskey의 사용 방법"
   step1_1: "환영합니다!"
@@ -407,7 +432,7 @@ _2fa:
   step2: "그 후, 표시되어 있는 QR코드를 앱으로 스캔합니다."
   step3: "앱에 표시된 토큰을 입력하시면 완료됩니다."
   step4: "다음 로그인부터는 토큰을 입력해야 합니다."
-  securityKeyInfo: "FIDO2를 지원하는 하드웨어 시큐리티 키 혹은 휴대전화의 지문인식이나 화면잠금 PIN을 이용해서 로그인하도록 설정할 수 있습니다."
+  securityKeyInfo: "FIDO2를 지원하는 하드웨어 보안 키 혹은 디바이스의 지문인식이나 화면잠금 PIN을 이용해서 로그인하도록 설정할 수 있습니다."
 _permissions:
   "read:account": "계정의 정보를 봅니다"
   "write:account": "계정의 정보를 변경합니다"
diff --git a/locales/nl-NL.yml b/locales/nl-NL.yml
index ed97d539c..14946f0a7 100644
--- a/locales/nl-NL.yml
+++ b/locales/nl-NL.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Nederlands"
diff --git a/locales/no-NO.yml b/locales/no-NO.yml
index ed97d539c..83e189b9c 100644
--- a/locales/no-NO.yml
+++ b/locales/no-NO.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Norsk Bokmål"
diff --git a/locales/pl-PL.yml b/locales/pl-PL.yml
index ed97d539c..29a23af55 100644
--- a/locales/pl-PL.yml
+++ b/locales/pl-PL.yml
@@ -1 +1,2 @@
 ---
+_lang_: "język polski"
diff --git a/locales/pt-PT.yml b/locales/pt-PT.yml
index ed97d539c..3ee459462 100644
--- a/locales/pt-PT.yml
+++ b/locales/pt-PT.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Português"
diff --git a/locales/ru-RU.yml b/locales/ru-RU.yml
index ed97d539c..1e452bc70 100644
--- a/locales/ru-RU.yml
+++ b/locales/ru-RU.yml
@@ -1 +1,2 @@
 ---
+_lang_: "Русский язык"
diff --git a/locales/zh-CN.yml b/locales/zh-CN.yml
index 9abd05d1a..6bcc8d104 100644
--- a/locales/zh-CN.yml
+++ b/locales/zh-CN.yml
@@ -1,20 +1,5 @@
 ---
-_ago:
-  unknown: "未知"
-  future: "未来"
-  justNow: "最近"
-  secondsAgo: "{n}秒前"
-  minutesAgo: "{n}分前"
-  hoursAgo: "{n}小时前"
-  daysAgo: "{n}日前"
-  weeksAgo: "{n}周前"
-  monthsAgo: "{n}月前"
-  yearsAgo: "{n}年前"
-_time:
-  second: "秒"
-  minute: "分"
-  hour: "小时"
-  day: "日"
+_lang_: "中文(简体)"
 introMisskey: "欢迎！Misskey是一个开源的分散型SNS服务。\n通过「帖子」来分享现在发生的事情吧！📡\n「反应」功能，可以让你快速的对大家的「帖子」来表达感情👍\n一起来探索新的世界吧！🚀"
 monthAndDay: "{month}月 {day}日"
 search: "搜索"
@@ -350,12 +335,30 @@ invites: "邀请"
 groupName: "群组名"
 members: "成员"
 transfer: "转让"
+title: "标题"
+text: "文本"
 enable: "启用"
 next: "下一个"
 retype: "重新输入"
 noteOf: "{user}的帖子"
 inviteToGroup: "群组邀请"
 maxNoteTextLength: "帖子的字数限制"
+_ago:
+  unknown: "未知"
+  future: "未来"
+  justNow: "最近"
+  secondsAgo: "{n}秒前"
+  minutesAgo: "{n}分前"
+  hoursAgo: "{n}小时前"
+  daysAgo: "{n}日前"
+  weeksAgo: "{n}周前"
+  monthsAgo: "{n}月前"
+  yearsAgo: "{n}年前"
+_time:
+  second: "秒"
+  minute: "分"
+  hour: "小时"
+  day: "日"
 _tutorial:
   title: "Misskey的使用方法"
   step1_1: "欢迎！"
diff --git a/locales/zh-TW.yml b/locales/zh-TW.yml
index ed97d539c..ca483c376 100644
--- a/locales/zh-TW.yml
+++ b/locales/zh-TW.yml
@@ -1 +1,2 @@
 ---
+_lang_: "中文(繁体)"