Late for a meeting, Kotoko was running along the corridor in school and bumped into Naoki, their lips meeting. Naoki showed his disgust, but Kotoko started to idolise him, who was good at everything from studies to sports. When Kotoko's house burned down, her father's good friend Machiko invited them to move in with her family. It was then that Kotoko realised Naoki was the elder son of Machiko, who took up
