Anime Zetsubou Sensei Piano Medley 2008-02-03 ピアノで絶望先生From Niconico: http://www.nicovideo.jp/watch/sm1870001 animemedleyniconicopianosenseiZetsubouさよなら絶望先生ピアノ絶望先生MAG.MOE - The MAG, The MOE.
MAG.MOE - The MAG, The MOE.