The younger sister took advantage of their parents being away to make her older brother take aphrodisiac pills and the outcome.

Bracon Rin, the girlfriend of her brother, really wants to have sex with her brother, but her brother, who has common sense, does not see his sister as a sexual object at all. In her helplessness, the younger sister resorts to the ultimate move, which is using aphrodisiacs, and what happens next comes to pass, inviting everyone to continue watching the movie.