I'm a bullied child who gets my mother a bullying classmate

Asayo, whose husband lives with her son on a long business trip, sympathizes with the complicated family environment of Koume, a classmate of his son whom he recently met, and gradually gives his heart a go, but... Koume, who was lustful by her sensational body, takes advantage of the vulnerable Asahi gap and has a relationship with her. Asahi is guilty, but he loses himself to the pleasure of his private parts that he hasn't touched in a long time, and he can't stand the relentless caresses and entrusts his body to him. As he repeatedly has an affair with his son's classmate, his instincts begin to seek the pain in his uterus and erode reason...