[Yuko Shiraki] Takara Eizo exclusive actress work! Her son's friend often came over to play. The friend was raised by a single parent and was a reliable student who earned a living by working part-time. However, one day, Gen's father suddenly collapsed from overwork. Gen also broke down in tears and seemed to be on the verge of a mental breakdown. Yuko, who was kind enough to help Gen, offered him a helping hand by saying, "Let's live together at home until your father gets better," and they decided to live together for a while. Gen often helps with the housework, and Yuko hopes that her son will grow up to be just like him. So, without even realizing it, Yuko has started to love Gen more than her own son with each passing day. Her son is not amused by this and ends up in a big fight with Gen. Yuko steps in to stop them and puts her body on the line to protect Gen. Seeing this, her son leaves the house. While treating the injured Gen, he gets an erection and approaches Yuko. Of course, Yuko has not had sex for a while. She is shocked, but she cannot have a physical relationship with her son's friend. She gives him a hand job to calm him down, but from that day on, they become aware of each other. Under the same roof, without their son, the two fall into a forbidden love.