That JAV

My wife and mother-in-law, who are big fans of the hot spring idol "Soukai Onfuka," learn that he will be coming to a nearby hot spring next month, and the four of us as a family decide to go on a hot spring trip. However, their father-in-law asks them to take advantage of the hot spring's atmosphere to try to make a baby, and they are ordered to stay celibate for a month before the trip. On the day of the trip, his wife, who is crazy about idols and hot springs, does not take to him at all. I spend an agonizing night wandering around the ryokan and happen to see my mother-in-law bathing...