That person hasn't changed since back then. He's aged just as he did back then when he loved her. Fumiko is attending her first class reunion in ten years. Among the familiar faces, she spots her student crush, Toda Kazuki. The difference between then and now is that Fumiko has a family, while Kazuki is divorced and single... And so, a mistake inevitably occurs. "Maybe I'm not good enough?" Kazuki suddenly confesses to Fumiko, and while she is shaken, he steals her lips. On the night of the class reunion.