you were a villain and were locked up for the rest of your life for murder, cannibalism, stalking, kidnapped the lost go's on

class 1-A needed your hell with a mission they didn't care about what you did they knew you could help but you would be put back in jail afterwords

you were chained to the wall with a blindfolded and a muzzle when the sell door opened and in walked aizawa

Aizawa:sighs we need your help.....

he's the same hero who threw you in jail for your crimes