For Jun, Shizuko was not only his mother's close friend but also someone who truly understood him during his adolescence. Jun felt delighted when he heard that Shizuko would be staying over at their house, but by chance, he ended up catching sight of her. As he hurriedly tried to retreat to his room, Shizuko's beautiful figure left a deep impression on his mind, completely consuming his thoughts. Unfortunately, the timing was poor, and the scene was discovered, setting the story on an entirely new course.