Office lady Reina is a mature, voluptuous woman who gets aroused by genital rope stimulation. Her sexual desires are intense, and she boldly exposes her sensual body to entice Haruki Yukimura. Bound in a humiliating position that heightens her shame, her legs are spread to the limit, her crotch reflected clearly in a mirror. At that moment, Reina's taboos completely shatter. Even as her body is thoroughly ravaged, her arousal continues to rise. The more she is tormented, the more she feels love—her true nature gradually revealed.