Gosei School has a long history. The principal of the school is highly ambitious and he tries to achieve his goals by using supernatural majin powers. Six students go up against the principal. The students are Taisei Manaka (Taisho Iwasaki), Ryuhei Domon (Ryuga Sato), Yusuke Takigawa (Yuto Nasu), Hyuma Oura (Hidaka Ukisho), Naoya Morimura (Naoki Fujii) and Ichika Sakurai (Issei Kanasashi).

Kanta's perfect life with his wife Natsume is shattered when she dies in a traffic accident. However, she mysteriously reappears at home, creating two parallel worlds—one where she’s alive and one where Kanta has died. As their worlds intersect, they strive to reclaim the time they lost together.