Kokoro, who is the student council president at a prestigious girls' school attended by the daughter of a distinguished family, becomes interested in an SM book that catches her eye due to the daily pressures. By chance, a junior female student with an angelic face - but a devilish one - happens to be watching the scene... Koharu Asai x Kudo Lara give a passionate performance! Koharu, a true masochist, writhes in Kokoro with tears in Hitomi as she exchanges serious slaps! Bondage, strap-ons, forced exposure, rose whips, female slavery... a lesbian SM training with outstanding compatibility!