音量注意 cover 足立レイ 桃音モモ ust https://commons.nicovideo.jp/gw?url=https%3A%2F%2Finunadehiyori.wixsite.com%2Fmisyukuke%2Fust&ref=https%3A%2F%2Fcommons.nicovideo.jp%2Fworks%2Fsm46514094
暇な時に調節するかも 本家様 https://www.youtube.com/watch?v=T24rF_x0TmQ
