I was invited by my father-in-law, and the four of us in the family came for a hot spring trip. On the surface, it was a pleasant family vacation, but the real purpose was a baby-making trip under pressure from my father-in-law. Nevertheless... I had been practicing abstinence for fertility treatments, but I ended up ruining my wife's mood over something trivial, making it impossible to even think about making a baby. Not knowing how to suppress my pent-up desires, I wandered around the inn in frustration and happened to catch a glimpse of my mother-in-law bathing...
