JUQ-398 I couldn't tell my wife even if my mouth split open, I got her mother pregnant... During a one-night two-day hot spring trip, I lost myself and ejaculated inside her non-stop. - Matsumoto Shoko

"Ken, can you abstain for the next month until our trip?" I was taken aback when my in-laws suddenly asked me this. What was supposed to be a family-only hot spring trip had turned into a request to help make a baby with my wife. I abstained as instructed until the day of the trip, but I couldn't help feeling restless... Unable to contain my pent-up desires, I headed to the hot spring to calm myself down, but accidentally ended up in the women's bath and caught a glimpse of my mother-in-law's alluring bathing figure...