I came on a hot spring trip with my wife's parents. They suggested we try changing the situation for baby-making, an idea from my father-in-law, but will it work? My wife, who knows nothing about this, is just working even at the inn. Plus, she's starting to get irritated, and a month of abstinence seems like it's going to be wasted. That night, as I was carrying my drowsy wife into the room with my mother-in-law, my eyes were glued to the cleavage peeking out from my mother-in-law's yukata...