In the midst of Japan's economic crisis, Shiina Nagasawa turns to prostitution to support her family post her father's bankruptcy. At a party attended by influential government figures seeking illicit pleasures, Shiina encounters a masked intruder she recognizes as her classmate Shou Hazama, who goes by the alias 'Akumetsu.' Under this guise, he executes the former finance minister for his misdeeds, only to meet a violent demise himself. Despite this shocking event, Shou mysteriously appears at school the next day, leaving Shiina wondering about his resurrection and his future intentions.