https://chromewebstore.google.com/detail/dmooji-youtube-danmaku/dcacgbaadlgfnmcpjncoobionpjnbnih?hl=en
Dmooji - YouTube Danmaku - Chrome Web Store
Add interactive Danmaku (danmu) comments to YouTube videos! Watch together and engage with others through floating comments.
youtubedanmakuchromewebstore