"Hey, honey, there's something I'm wondering about... No, it's nothing. I'm feeling anxious about you being away on a long business trip, so I think I had a weird dream, but don't worry about it. Take care..." With her husband away, Hana, a daughter-in-law, is left alone at home with her father-in-law, and her body in the prime of her life heats up as she repeatedly masturbates. Her father-in-law secretly peeks at his daughter-in-law's lewd behavior. One day, Hana sees it! Her father-in-law's crotch is expanding while he is wiping her down! "Father-in-law... Shall I wipe you down there too...?" Hana blurts out! Those forbidden words...