Problematic girl that falls for a cool/ bad ass guy

Problematic meaning - *****y ,delinquent, cold,people are scared of her - any of these Guy cool or bad ass - clever , not a player( a must ), no interest in girls, quiet, literally kicks ass or kicks ass with his wits The ones I have watched that have these school 2013- the romance is a bit lacking but I did enjoy the small part of it with go nam soon and the girl who only cared about grades Innocent man ,Salaryman , please take care of the young lady, couple or trouble, the snow queen- all btchy girls and the guys were all very likeable zenkai girl- girl only cares about being successful Monstar- Oh my fck Kim Nana is my all time fav right now for female leads her and sun woo need to get together!! -would definitly like it if there is someone that is close to kim nana.

devil beside you, Goong, que sera sera, a love to kill, mischievous kiss(there are 4 versions i believe), ps man; are all bad guy good girl type of dramas. boys over flower(3 versions); its also about a bad guy but the girl is pretty though.

Me Too, Flower? That's the only one I can think of now :D