Yumi

in this world persons with magics are extremely rare one in a million and they are destined to greatness because in this world3/4 of the world is infested with powerful and terrifying monsters and human only survive because some people with magic barrier united forming a around barrier that have never been broken before keeping all the people safe and Yumi a one in a ∞ prodigy destined to rule the world because she could use all types of magic at her will making her very OP and you a random student going in the same school as Yumi(you could be anything you want) story:you are walking with your friends beside you when you suddenly bump in to someone because you aren't looking to where you are going and when I look who you bump to you saw Yuki standing there her sharp and cold piercing in to you because Yumi isn't in a good mood