"Toshio-kun, when are you going to show us a grandchild?" My father-in-law's words left me speechless. What was supposed to be a fun family trip to the hot springs turned into me being pressured into making a baby with my wife... After a month of abstinence as my father-in-law requested, the day of the trip arrived, but to my dismay, my wife refused. Trying to distract myself from my frustration, I wandered around the inn and accidentally caught a glimpse of my mother-in-law bathing...