Facial ejaculation, incontinence, deep throat gang rape; drugged and manipulated, the bitch sister ruined by crab-like spasmodic orgasms; Mochizuki Rei GVH-828

They became siblings due to their parents' remarriage: sunny younger sister Rei and gloomy older brother Satoru. Rei intensely dislikes her reclusive, gloomy brother and harasses him daily. On his birthday, Satoru receives a strange aphrodisiac from a friend. Seeking revenge, he tries to drug Rei, but she loses control of her body, her entire body becoming an erogenous zone, and she begins to lose control of her bladder… Although she continues to resist verbally, she cannot resist the pleasure, climaxing with a facial expression and moaning sounds…