Taozo married a man with a stepson, Yuta. Although she wanted to get along with her stepson Yuta, he still kept his distance from her. However, recently, when she listened to Yuta's consultation about his declining school grades... it turned out that he couldn't control his sexual desires and was obsessed with masturbation. As a mother figure, even if by marriage, Taozo decided to educate him about sex using her own body. With the ejaculation management education from his stepmother, Yuta repeatedly reached climax. Thanks to Taozo's efforts, the distance between the two gradually narrowed...
