Youtube: https://youtu.be/AdWaz9oHoIUTwitter: https://twitter.com/YoitsuHifumiBluesky: https://bsky.app/profile/hifumiyoitsu.bsky.socialMisskey: https://misskey.io/@HifumiYoitsuNicoNico: https://www.nicovideo.jp/user/66965964/series/398695
http://www.nicovideo.jp/watch/sm44054255
