Staying over at his friend's house, Yoshioka headed to the bathroom but stumbled upon Nanase's underwear in the laundry basket. For Yoshioka, who had secretly harbored feelings for Nanase—his best friend's mother—since childhood, this night presented a rare opportunity. The scent emanating from her undergarments made his heart race, causing him to become fully erect. Unable to restrain himself any longer, he finally gave in to his desires. When Nanase caught him in the act and confronted him, he confessed everything he had felt for her all along.