CH.1 - YUNI-SAN: Kaoru is a boy with a tough home life and almost no one to care for him. While wandering the streets alone one night he happens to meet a man -- a foreigner named Yuni, who shows Kaoru that friendship and love do exist.

CH.2 - KAERU-KUN: In middle school, a new student, Nagare KAE, nicknamed "Kaeru-kun" against his will, feels like an outcast because of his name. Kae skips school in favor of video games; however, at the arcade he meets his classmate Kaoru, whom he unwittingly befriends.

CH.3 - SHUU Part 1: Now in high school, Kaoru's friend Yuu insists on bringing him to his house near every day. Kaoru meets Shuu, Yuu's older brother, who intrigues him. Curious from the things Yuu's said about his brother, Kaoru confronts Shuu about relationships...