Shinsei, who is entrusted with the role of student council president at a prestigious all-girls school attended by the daughters of prominent families, becomes interested in an SM book that catches her eye out of mere curiosity due to the daily pressure. By chance, watching that scene was a junior female student with an angelic face... a devilish one. Shinsei Asai x Lala Kudo give passionate performances! True masochist Shinsei's eyes glisten and she moans with pleasure at the exchange of genuine slaps! Bondage, penis ring, forced exposure, rose whip, female slave transformation... an SM training lesbian with outstanding compatibility!