"I want to see my grandchild's face soon, because I have high hopes for you, Satoshi-kun... please." At my father-in-law's strong request, 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's face, and I was ordered to abstain from sex for a month. However, things did not go as planned, and my wife fell ill, so the plan to have a baby was called off. I spent a sleepless night in agony due to my abstinence, and while I was wandering around the inn late at night, I happened to see my mother-in-law taking a bath...