Late at night in the girls' dormitory of the Purge Music Academy, which is famous for attracting the daughters of famous families, the screams of female students echo through the quiet dormitory. Kaori was tied up with her butt sticking out and her lower body exposed, and she was about to undergo a humiliating process. Looking down at Kaori, who is crying from her overwhelming love, and smiling slightly at her, is the newly appointed manager, Kato Shusaku, who just arrived about a month ago...