A married woman who received a backup key, and her solitary room where she had sex with a male student until graduation. Hirose Yuri JUR-174

Yuri meets Kakeru, who lives alone, at a nearby izakaya. After becoming friends, they begin a physical relationship. Kakeru gives Yuri a key to her house, and when her husband goes to work, she returns home with shopping bags and spends intimate time with Kakeru, forgetting her loneliness with her husband...