Erika Kitagawa runs a popular esthetic salon renowned for her meticulous and sincere service, keeping the schedule fully booked. Among her regular clients is Yukina Momose, whom Erika, serving as both owner and esthetician, falls deeply for and successfully introduces to the lesbian world. Inside the small treatment room, the two nurture a sincere romantic relationship. However, one day, Erika witnesses Yukina talking with a man who appears to be her husband. Feeling betrayed, Erika takes drastic action—what happens next unfolds in a shocking act of lesbian rape and humiliation.