OSORE?(HIGH-SCHOOL JAPANESE SERIES)

This story is all about a girl, half-filipina half-japanese who had a fear on her past, she doesn't even want to remember those days on her old school but then, she decided to transfer in a school where all the students are girls but those girls are not that Ordinary Highschool girls,in this school, fighting is allowed, Bullying is allowed but there's a limitation.This school is having a rival and that school is called Shizen Highschool while her school named Saikyō Highschool,all the students on both schools are good in fighting,each section have a representative or group gang and there's a group that on 5 consecutive years they're still on the top,it means no one can defeat this group,in this story you'll know who she is but if you're having a battle with her avoid to ask her "Are you afraid"?