I had come to a remote hot spring inn with my wife and her parents. As a dual-income couple, it was difficult for us to coordinate our schedules, and we were excited for this long-awaited trip. However, I had one worry: an order from my father-in-law to 'abstain until the next trip and work on making a baby during the trip.' But as soon as we arrived at the inn, my wife and I had a big fight, and making a baby was the last thing on our minds. With nowhere to direct my desires, I spent a sleepless night... and accidentally witnessed my mother-in-law undressing...