Yuko Shiraki secretly had sex with her mother's friend on the day of the power outage. Yuko Shiraki is a lonely woman who is bored with life and today she visits her best friend's house. And Yuko Shiraki accidentally likes her friend's son and has intimate gestures that make the other guy quite shy. But his nature has risen up and he approached Yuko Shiraki while the power was out and they made love all night long. Will everything be discovered? Let's watch together.