Incestuous [silence] Incest. My father is next door...

Ever since Yosuke had a physical relationship with his stepmother, he has been unable to control his young lust. And before he knows it, he develops a desire to monopolize his mother-in-law. One day, when Yosuke sees his stepmother getting along well with his father, he becomes jealous and takes a bold step. Even though her father was next to her, she played with her mother-in-law's body.