Kira Aso (Marie Iitoyo) is a high school student with an introverted personality. When she was a child, her father died in a car accident caused by a motorcycle gang. Now, she sketches the sea everyday during her spring break. One day, Rei Kashino (Taisuke Fujigaya) rides his motorcycle and sees Kira Aso sketching the sea. He sits next to her. Kira isn't used to talking to guys and isn't friendly to Rei Kashino.