Hozuki's Coolheadedness (Japanese: 鬼灯の冷徹, Hepburn: Hōzuki no Reitetsu) is a Japanese manga series written and illustrated by Natsumi Eguchi. The plot revolves around Hozuki, a demon who works for the King and Head Judge of Hell. It has been serialized by Kodansha in the magazine Weekly Morning since March 2011, with chapters collected in twenty-eight tankōbon volumes as of March 2019. The manga was adapted into a television anime series; Wit Studio produced the first season in 2014, and Studio Deen was responsible for a second season in 2017–2018. The former studio also produced three OVAs in 2015 and the latter one OAD in 2017. Pine Jam will produce three more OVAs in 2020.