Yuri came to see her son who came to Tokyo when he got a job. The joy of being relied on by my son eventually turns into love between men and women, crossing the line between parents and children. A mistake caused by a moment of hesitation. Yuri who has an unforgivable relationship is worried. "I know this is no good, but ... I want to get in touch with her again ..." With my love for my son getting stronger and deeper as I move away, I'm going to see him again this month ...