JOI is a way for a beautiful woman to jerk you off by using her erotic poses and provocative words. This is a masturbation-only genre that gives you instructions on how to masturbate. With gestures of stroking your penis, she will lead you to ejaculation. This is JOI where you use dice to decide 6 erotic poses and 6 ways to stroke. Depending on the number that comes up, the girl will show you her body in a sexy way, so you can masturbate! Second installment!