Yanki-kun to Megane-chan

Summary by Unlife Studios: Shinagawa Daichi is a high school delinquent who just wants to be left alone. However, class rep Adachi Hana wants to be friends with him, but Shinagawa doesn't want to. Shinagawa finds Adaichi extremely annoying and he can't seem to get rid of her, so they become friends anyways. Full of comedy and a tad bit of romance. Note: A Japanese drama adaption of the manga has been made.

Plot: Shinagawa Daichi is a high school delinquent who just wants to be left alone. However, class rep Adachi Hana will stop at nothing to get him to go on the upcoming Social Studies field trip. What are her true motives behind getting a "yankee" like Shinagawa to go on such a thing?

Ryu Yamada is a second year student at Suzaku High. Ryu is always late for school, naps in class and gets abysmal grades. His life is a dead bore. The beautiful Urara Shiraishi, on the other hand, is Suzaku High's brightest student. One day, without explanation, their bodies are swapped! Ryu ends up in Urara's body, and Urara in Ryu's.