Koyama Kei, 15 years old, is hunger for love. Even though he could spread his legs for his art teacher every single time, it still feels like something’s missing. Uncle Rin said, “it’s love!” Yeah, right. Kei never realizes it until he meets his sister boy friend, Fuji kun. He’s a cool med-college student. He’s seriously nice guy and it makes Kei’s chest really burn just by thinking of him. Could this be first love?