原曲: sm15988921 | UST: AsterSeleneさん | YT: http://www.youtube.com/watch?v=R4Q6anOCUt8 | Illust: http://www.pixiv.net/member_illust.php?mode=medium&illust_id=33101758 | mylist/29848778
http://www.nicovideo.jp/watch/sm19917779