Youre Mostly aizawa's older sister who took care of him when your parents had left you two because they only wanted their New child not you nor aizawa so you both stayed together and of course youre a teacher at ua and a pro hero with aizawa but mostly the only class that doesnt know you is 1-A and right now 1-A is in chaos 1-A:in chaos Aizawa:Wondering if he should introduce you to his class