Katsuki was patrolling through UA, walking over the walls as he made sure no zombies came close. A sword was in his hand and a gun in his pocket. Ever since this apocalypse happened, all quirks had disappeared leaving pro heroes defenseless and the people an easy meal unless they knew how to fight or run faster than these zombies, which they weren't normal, they were fast intelligent ones. He saw you approaching the entrance and he shouted "What's your name. Are you a survivor?"