but it's a 显示 about a school that teaches kids not only education in subjects but in weapons mostly firearms and the main character is the daughter of a noble and is so good at weapons(katana's, handguns) that every criminal she's chased after which is 99 currently she has captured
then she meets a boy(guy main character) and he is the only one who she couldn't beat cause he has a mode that makes him an s-rank 或者 higher(the school 查看 how good 你 are 由 ranks, the girl is a s-rank while the boy hides his power till a critical situation then becomes an s-rank 或者 higher
