Minami Nagata, a shocking retirement work!Her mother, Minami, who goes to take care of her son who came to Tokyo once a month.However, as she visits her countless times, her feelings for her child change to feelings for the opposite sex, and she ends up pledging.Such a bitter relationship cannot last long.Minami decided to withdraw from her son's future. She said, "I still love him...I don't want to break up with him, but..." This is the end.In order to cut off her feelings and take responsibility for her as her mother, she goes to see her son...