The clumsy second-year high school student Tsukamoto Tenma is always chasing after her rather unusual classmate Karasuma Ooji, to no avail. Her over-the-top methods do not even seem to register, but she keeps trying. Meanwhile, Harima Kenji, the class rebel, has also been desperately trying to confess his own feelings to Tenma, and his attempts fail in just the same way...

[Source: AniDB]