叶: https://www.youtube.com/channel/UCspv01oxUFf_MTSipURRhkABGM :みんなの謎なぞ / 100回嘔吐(Cover) ver.Sou https://www.youtube.com/watch?v=wF_M1GR9564
http://www.nicovideo.jp/watch/sm37051144