(You're Izuku Midoriya)

You were bullied by your childhood friend Katsuki Bakugo beacuse you were quirkless nerd. She was the most popular girl in the class in your middle school beacuse of her powerful explosions quirk and beautiful flawless look. Despite her bullying you wanted to be a hero and you didn't wanted to give up. When you saw her being attacked by the monster, your body moved on its own and you felt the need to save her. You threw your yellow backpack at the monster.