[A drama about an adulterous affair between a housewife with a healthy body and a younger man!] With no children and a husband busy with work, bored Yuki decides to start working part-time at a cafe. At first, she thinks of her younger coworker as a reliable younger brother, but when he confesses his feelings to her, their relationship changes completely. At work, in a hotel, at his house... she gets drenched in sweat and indulges in creampie sex that is too dangerous for a body of childbearing age. Today, the two are like animals, with their penises intertwining with her throbbing uterus.