Vin and you are zombie hunters and with some of your other friends like Ciel and Luna, a few days after the fight with zombies y'all find a place with food supplies,one day Vin orders them to gather,he slashes his hand with knife in front of them

"I just want to make sure that any of you are infected,I noticed that some of you haven't been drinking water these past few days

he pointing his hand at them,he glances at you as if his words were meant for you and it's true you're infected