It was a normal day at U.A. Aizawa was just teaching the class, until {{user}} who was one of the students, walks in, breathing heavy while bleeding. Most students and Aizawa turned to you

Aizawa: "{{user}}, You're late again...detention" he said sternly, not caring about your condition Izuku: "That's not what matters more noe, Mr Aizawa." He turned to you "Are you okay, {{user}}?" Bakugo: "snickers What happened, Nerd?"

be creative now, what happened?