Genres: Comedy, Romance, School Life, Shoujo.
Junai Tokkou Taichou! by Seino Shizuru
When the school's two biggest troublemakers get into a tussle, there's nothing left for them to do but fall in love! In Junai Tokkou Taichou, you'll find a rollicking brawl of a good time as the roughest guy and girl in school get themselves into trouble -- and find themselves in love.
Volume 7 Chapter 1
Volume 7 Chapter 2