Kagawa, who was staying at a friend's house, accidentally caught a glimpse of his friend's mother, Ayaka (Mashiro Anzu), in a compromising position. He had long admired and been infatuated with Ayaka, and seeing her in such an indecent state left him feeling restless. Mustering his courage, he confessed to Ayaka, but as expected, she rejected him. However, Kagawa couldn't give up so easily and persisted. Sensing a passion that her husband lacked, Ayaka agreed to one time only...
