Sayonara Zetsubou Sensei OP1
Title: Hito toshite Jiku ga Bureteiru
Artist: Kenji Ohtsuki feat. Ai Nonaka, Marina Inoue, Yu Kobayashi, Miyuki Sawashiro & Ryoko Shintani
Artist: Kenji Ohtsuki feat. Ai Nonaka, Marina Inoue, Yu Kobayashi, Miyuki Sawashiro & Ryoko Shintani