No-Standing-App is a productivity enhancement web app that helps you focus on your work.
No-Standing-Appは生産性向上WEBアプリです。
https://bunhojun.github.io/no-standing-app/
If you try to stand up in front of your screen while app is active, you will hear a girl's voice shouting "kora", which means "hey" or "oi" in Japanese. It prevents you from standing up for no reason in the middle of your work.
アプリが作動中に、スクリーンの前で意味もなく立ち上がろうとすると、女の子が怒ってくれます。