"Yu-kun, can you abstain from sex for a month until the trip?" I was confused when my father-in-law suddenly asked me. We were supposed to be on a hot spring trip with the family, but he took advantage of the situation and asked me to make a baby with his wife. I abstained from sex until the day of the trip as asked, but I couldn't help but feel restless... I couldn't control myself and headed to the hot spring to calm my pent-up desires, but I accidentally entered the women's bath and witnessed my mother-in-law having a seductive bath...