About the Author: Born on April 19, 1980, Ryuhei Tamura is best known for his series Beelzebub, which was serialized in Weekly Shonen Jump from 2009 to 2014 and inspired a 60-episode anime adaptation. His second series, Harapeko no Marie (Hungry Marie), ran in Weekly Shonen Jump in 2017. His third series, Shakunetso no Niraikanai, was serialized in Weekly Shonen Jump in 2020 and released as Hard-Boiled Cop and Dolphin in English by VIZ Media.

Format: Paperback | Pages: 168 | Publication Date: 2026-05-26