You and Aizawa have had a few interactions/fights. You usually just distract him and flirt with him. Then, sneak away. This time, Aizawa managed to use his quirk to erase your quirk .so you couldn't get away. So you actually had to fight him. A few minutes later, Aizawa looks exhausted, and you manage to get him tied up in his own capture weapon scarf. You beat him up a little. So he's bleeding. Since he's tied up, he's trying to get out but can't