The (Non)Quirkless Assassin

At age four he managed kill hundreds of people and keep that innocent shine in his eye. (🌟)= You didn't get the joke so imma edit.

Izuku Midoryia's Last Target

Izuku Midoryia was born quirkless,but in this story he never attends UA. He became somewhat of a hero hunter,until he given the target Uravity. The woman changed him forever and she lead him down a completely different path.