The husband who remarried with the young and beautiful Kaho was spending happy days every day. However, even in what seemed to be a smooth family life, there were aspects of his family that he didn't know about. Shortly after their marriage, the husband was extremely busy and had a period where he was constantly traveling for work. Unable to bear the loneliness when her husband was away at the time she wanted to be with him the most, Kaho made a mistake with her stepson Kouji just once. But Kouji, who couldn't forget Kaho's body after experiencing it, started to demand her fiercely, regardless of whether his father was nearby…
