乗り越えたい本家様： https://www.youtube.com/watch?v=1f2Ugc7-THE&list=TLPQMjUwNDIwMjAFjhjhL-a2kA (self Cover) https://www.youtube.com/watch?v=jato4wvm8RQ
http://www.nicovideo.jp/watch/sm36792470
