Taboo New Sister

Nana, the Japanese wife of Jang-woo, assists her father-in-law, Seong-il, with his bath. Despite Seong-il’s embarrassment and attempts to stop her, saying it’s unnecessary, Nana insists that she is simply helping him. As her hands explore every part of his body, Seong-il is unable to resist his daughter-in-law’s deliberate actions and gradually gives in to her touch. He ends up having sex with her and feels satisfied with the experience of bathing with his daughter-in-law.