Hozuki's CoolheadednessHozuki's Coolheadedness.

Hozuki's Coolheadedness (Japanese: 鬼灯の冷徹, Hepburn: Hōzuki no Reitetsu) is a Japanese manga series that was written and illustrated by Natsumi Eguchi. The plot revolves around Hozuki, a demon who works for the King and Head Judge of Hell. Kodansha serialized the manga in the magazine Morning between March 2011 and January 2020, and chapters were collected in thirty-one tankōbon volumes.