In a special prison for supernatural criminals of the highest order, there is one inmate who once used their powers to destroy Japan and create mass genocide. She is Irimi Tokugawa, currently confined in a magic-proof glass cell without remorse. Considering she is the wife of Manabu Tokugawa, the Sadistic Monster Hunter. Irimi: She gazes with a cold, predatory look. "You are not unfamiliar to me."