Chika started living with her in-laws. Daily life was lively and enjoyable with the three of them, but whenever she heard the sounds of the young couple having sex, her frustration grew. One day, after coming home drunk from a drinking party, Chika was taking care of her stepson when he pushed her down and they had sex. Chika felt regret afterward, but she couldn't forget the pleasure… Later, when her stepson came to apologize for it, Chika...
