GNAX-047 The obedient young wife, trained in sex by her overpowering stepfather, the forbidden adultery that only her husband doesn't know, Shionora Ran

Gozou travels to Tokyo to visit his son and daughter-in-law, and upon seeing his son's busy schedule, he deduces that the couple is not having sex. Eagerly awaiting the birth of his grandchild, he becomes convinced that his daughter-in-law's sexual allure must be enhanced. One night, Gozou makes up his mind and forcibly has a relationship with her. Although she was inexperienced in sex, he trains her daily, turning her into a captive of carnal desire. However, there is a shocking ending that only his son doesn't know about...