A master-disciple yokai-extermination tale spun by a cocky genius exorcist and a devoted heroine!! The Nanajou family is a prestigious house of exorcists who hunt yokai. Among them, Kazuomi, the strongest genius exorcist, was doing his absolute best to lead a "normal" high school life for a certain reason…. However, one day, he witnesses Hazuki Minase, the most beautiful girl in the grade, fighting a yokai. Pressured by Hazuki, who wants to become an exorcist to hunt yokai, Kazuomi reluctantly becomes her mentor. This pulls Kazuomi back into the world of fighting bizarre creatures, where he displays his overwhelming power――! Classmates, mentor and disciple—where will the tangled threads of their fates lead――!?