A month long-distance incest with my son who has moved to Tokyo Today, I will be the last time I will be embraced by that child.

Nagata Minami's shocking retirement work! Minami is her mother, who goes to Tokyo once a month to take care of her son. However, as he went there many times, his feelings towards his children eventually turn into feelings for the opposite sex and he ends up in a relationship between men and women. Such a rotten relationship cannot last for a long time. Minami has decided to back off thinking about her son's future. "I still love you... I don't want to break up. But..." That's the last time... In order to break away any regrets, he goes to see his son to take responsibility as a mother...