I absolutely cannot tell my wife that my mother-in-law is pregnant… During a two-day, one-night hot spring trip, I forgot myself and went on a wild ejaculation. - Momose Kinosaki JUR-560

"Koichi-kun, wouldn't it be nice to see my grandson's face?" My mother-in-law's words left me unable to hide my unease. What should have been a joyful family trip to the hot springs turned into a demand that I use the opportunity to have a child with my wife… Obeying my mother-in-law's wishes, after a month of abstinence, the day of our hot spring trip arrived, only to be met with my wife's refusal to have the baby. To forget my gloom, while wandering around the hotel, I happened to witness my mother-in-law bathing…