原曲： sm30960061 ust (by Bay, edited by me): http://www.mediafire.com/file/1dfaakx1gfactha/%E3%82%B0%E3%83%A9%E3%83%BC%E3%83%B4%E3%82%A7UST_%28edit%29.zip 水音ラルver: https://www.youtube.com/watch?v=p-6W_TyLrGkillust+cover: mylist/37686470
http://www.nicovideo.jp/watch/sm30975515
