My father-in-law had always watched as his only son prepared to marry in the spring, observing the affectionate relationship between his son and his fiancée, Asami. Every weekend, the couple would head into the city to discuss wedding arrangements and reception details, and each time, the father-in-law stared intently at them. He constantly fixated on Asami's voluptuous figure with a lewd, persistent gaze. Then one day, when his son left Asami alone at home to go to work, the father-in-law—despite his age—found himself shamefully erect, his cock hard and throbbing...!