Her husband is often away from home, and she hasn't had sex with him for a long time. Her sexual frustration was at its limit, so the visit of her daughter's boyfriend was too exciting for Chitose. While welcoming him and acting like a good mother, Chitose secretly looks at the young man's body as if licking it all over. But her gaze stops at his crotch. He's got an erection... She can't hold it in any longer. In order to seduce her daughter's boyfriend, Chitose puts on her best erotic underwear.