One rainy day after he took pictures of Aki Muroto, Kazuya notices her on the roof skipping classes and decides to cheer her up. He convinces her to leave the school grounds and takes her to the local arcade. While on their date, Aki tells Kazuya about herself: since childhood, she has studied hard to become a doctor like her father. She has taken extra classes, even on weekends and holidays, despite her love for swimming...