Prey

Intervening in a hold-up has disastrous consequences for Izuku Midoriya when he's unknowingly marked by a villain to be hunted down within the week. But when he's cursed to endless insomnia as well, he has to soldier through exhaustion on top of a looming death threat. However, Izuku can only survive without sleep for so long… and the predator might get to his prey first. ON AO3