Naoko Shirasawa, a high school student, is rescued by two boys when she nearly drowns in the sea in the summer. The two boys, Koji Makimura and Ryo Doi, were third-year students at the school they transferred to! The bright and refreshing Makimura, who is called the aristocrat of the school, and Doi, who has dark and lonely eyes. Naoko thinks they are like the sun and the moon. At first, she was Naoko who was attracted to Makimura, but gradually she began to worry about Doi's existence. What is the relationship between her best friend Makimura and Doi...!?