His nephew Mitsuru is excited when his aunt Kaori comes to stay at his house. As a former model, her beauty has not faded even with the years. Unable to resist the defenseless appearance of her sleeping next to him, he finally attacks her while she is asleep. Seeing Mitsuru's remorse, Kaori tries to pretend it never happened, but she can't forget the feeling of his strong cock that she hasn't felt in a long time, so she comforts herself. However, Mitsuru accidentally witnesses Kaori masturbating and desires her.