Seigo, a son who remembers the excitement of his first love with his mother's friend, Ayumi, who has returned to his hometown for the first time in 10 years. That night, by chance, he gets drunk and is invited to kiss by Ayumi, who is in a good mood. And Seigo, who was a waist, couldn't get excited about her bold action, and when he secretly peeped into the bathroom, he witnessed Ayumi indulging in her masturbation. Seigo runs away in a panic, but Ayumi notices this and visits Seigo's room late at night...
