"My daughter has gotten married and I'm lonely. All I can look forward to now is a grandchild." At my father-in-law's insistence, my wife and I decided to go on a hot spring trip with my parents-in-law. However, in reality, it was a "baby-making trip" arranged by my father-in-law, who wanted to see his grandchild, and I was ordered to abstain from sex for one month. However, things didn't go as planned, and my wife said she still wanted to work, so the plan to have a baby was called off. Spending sleepless nights tormented by the abstinence, I gave in to my desire and secretly peeked on my mother-in-law taking a bath...