Having been in a relationship with his childhood friend for several years. Hideki, who met Yuko, his girlfriend's mother, after a long time. He, who had been in love with her since childhood, recalled the excitement of that day upon seeing her unchanged beauty... On the other hand, Yuko, while knowing his feelings, pretended not to notice. Unable to suppress the aching of her unsatisfied body, she secretly but boldly approached. Unable to resist the guilty pleasure of being toyed with by her, Hideki succumbed. And in the bedding, he secretly enjoyed her mother's close slow piston movement...