Sayonara Zetsubou Sensei OP 1- Hito Toshite Jiku ga Bureteiru

Written by: Kenji Ohtsuki Vocals by: Ai Nonaka, Marina Inoue, Yū Kobayashi, Miyuki Sawashiro, and Ryōko Shintani. Disclaimer: This video officially belongs to Studio SHAFT and King Records. This upload is just for fun and not for any monetary gain.