Kasumi, who was living a happy married life, had a secret that she could not tell anyone. That was, she loved her stepchild more than her husband. At first, Kasumi and her son nurtured their love while her husband was away, but as her feelings for her husband faded, their acts became more intense, and eventually they could not resist and began to desire each other even with her husband nearby. Kasumi, who does not want to ruin her happy family environment, kept quiet so that her husband would not find out, and indulged in pleasure, thrills, and orgasms...