≪A full-fledged Nakadashi drama by Madonna has begun! ≫My wife, my wife's parents, and I, who are on an assignment alone, had made it a tradition to go on a New Year's trip to a hot spring with my wife and her parents. I had been holding off on masturbation and building up my sperm supply in order to make a baby with my wife, but due to a problem, my wife and father-in-law were unable to come, so I was left alone with my mother-in-law, Kyoko. I was fascinated by Kyoko's pink cheeks after her bath and the deep cleavage and white thighs that peeked out from her yukata....