is a Japanese manga artist. His most famous works are Go!! Southern Ice Hockey Club, Katteni Kaizà Â, Sayonara, Zetsubou-Sensei, and Joshiraku. The bulk of Kumeta's work was published in Weekly Shà Ânen Sunday, until the abrupt cancellation of Katteni Kaizà Â, which resulted in him transferring from Shogakukan to Kodansha. As of 2014, he has gone freelance. His most recent serializations were Studio Pulp for Rakuen Le Paradis of Hakusensha and Kakushigoto in Monthly Shà Ânen Magazine, both of which concluded their run in 2020.
Sayonara, Zetsubou-Sensei was his first work to be adapted into an anime and was awarded the 31st Kodansha Manga Award in the shà Ânen category.