コメ付き過去アーカイブスやボツ動画のyoutube↓ https://www.youtube.com/channel/UChjr73cUi2-RAQeaqFBk5HQbgm bitter sweet samba引用元 https://www.asahi.com/amp/articles/ASN985D0TN98UTFK013.html?ref=tw_asahi&__twitter_impression=true
http://www.nicovideo.jp/watch/sm37491184