Suzaku High School student and problem kid, Ryu Yamada, is in a bad mood after being chewed out again by the teacher today. As if his day couldn't get any worse, he falls down the top of the stairs with honor student, Urara Shiraishi! When he comes to, he's switched bodies with her! Two people who couldn't be more opposite from each other find themselves running around the school in each other's bodies!! All from a kiss!! The problems don't stop there in this school romantic comedy that starts with a kiss! The non-stop fun has only begun!! "A girl's world isn't so bad…!!