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=RzXfnlzg2U8
http://www.nicovideo.jp/watch/sm40686114