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Sayonara, Zetsubou-Sensei ( Japanese: さよなら絶望先生, Hepburn: Sayonara Zetsubō Sensei, lit. login desktop Goodbye, Mr Despair) is a Japanese manga series written and illustrated by Kōji Kumeta It was serialized in Kodansha 's Weekly Shōnen Magazine from April 2005 to June 2012, with its chapters collected in 30 tankōbon volumes