Follows the relationship of high school students Mizutani, a self-absorbed overachieving girl, and Haru, an impulsive short-tempered boy who scares everyone with his explosive bursts of violence.

First published in Japan in 2009 by Kodansha Ltd., Tokyo. Reads from right to left, manga style.

Volume 1.Opposites attract...maybe? -- Volume 2. Big bother -- Volume 3. Love and war -- Volume 4. You can't have it all -- Volume 5. A brave venture -- Volume 6. Valentine chocolate showdown -- Volume 7. The will to win -- Volume 8. Things change...bit by bit -- Volume 9. Summertime blues --