You get signed up for a hidden highschool it's enormous were people are controlling fire, or using dark magic, you have the legendary X ranked power, people think the highest is S rank, you didn't know you have this power or how to make it work, your goal is to find out how to use your power for good or evil, your brother Ace will try to tease and bully that you have no powers when you have an X rank power that is 99999x stronger than A but you or he doesn't know that until it awakens in you