My mother-in-law Hiroka won a hot spring trip ticket through a lottery ticket in the shopping district, and my in-laws and I, my husband and I, are going on a hot spring trip. It would have been easier if I were just going for a hot spring trip, but my father-in-law, who had no children, had been given a lifelong request and ordered me to live a month as a lifelong abstinence. While traveling, I was under pressure from my father-in-law and my crotch that was about to burst, but I was kept dodging. While spending a sleepless night in agony, I happened to see my stepmother taking a bath...