I went on a hot spring trip with my wife's parents. For us who are hard at having children, but still can't have children, our father-in-law said, "Change the situation and try having children!", but will it work? My wife, who knows nothing, always comes to the inn and works. Plus, it seems like a month of abstinence that will start to get irritated and end in vain. That night, as I was bringing my wife, who had fallen asleep in agony, into my room with my stepmother, my gaze became glued to the chest peeking out of my stepmother's yukata...