The Disastrous Life of Saiki K. (Japanese: 斉木楠雄のΨ難, Hepburn: Saiki Kusuo no Sai-nan) is a Japanese manga series written and illustrated by Shūichi Asō. Following a series of one-shot chapters published from 2010 to 2011, the manga was serialized in Shueisha's Weekly Shōnen Jump from May 2012 to February 2018. It was followed by a short serialization of 4-panel chapters published in the same magazine, and two one-shot chapters published in Jump GIGA in May and July 2018.