My wife and I planned a trip to a hot spring to thank my father-in-law who had just retired. My wife was Kokoro about our first family trip in a long time, but I was honestly a bit worried when my father-in-law secretly asked me to have a baby with him. It was hard to refuse when he said it would be his purpose in life in his old age, and on top of that, he made me abstain from sex in preparation for having a baby... I arrived at the inn in a state of distress, but my wife had no intention of having a baby. While wandering around the inn during a sleepless night, I happened to see my mother-in-law taking a bath...