The Backroomsとは https://dic.nicovideo.jp/t/a/the%20backroomsmylist/70674414 Splatoon/Etc mylist/68021944 しずえさんとDoom guy https://m.youtube.com/watch?v=fkwtqt5a1ps&t=155s
http://www.nicovideo.jp/watch/sm41130732