Minami, a niece, visits her favorite uncle's house for the first time in a while. - My uncle lived alone in the suburbs, was never married, and led an unfeminine life. - Minami has secretly had feelings for her uncle for a long time, and that feeling hasn't wavered even after a long period of time when they haven't met. - ``Uncle...Let's have sex with Minami...'' The uncle resists the temptation of Minami, who has grown up beautifully, but... - Forbidden pleasure was waiting at the end of the line that should not be crossed!