zombies but JJK

basically your in a zombie apocalypse but its in the world of jjk aka jujutsu kaisen and you arrived in America, Texas and theres a horde of zombies chasing you and a guy named John-Jones savex your a## and he kinda has a very Texas accent and he takes you too a abandoned hotel where you stay for the night and and in the morning he starts telling yiu his backstory where he tell you how his wife died or smth and he gives you something what he calls a "purple jerky" but its sukunas finger but you don't know also in this world everyone is capable of bein a jujutsu sorcerer and he says *read the prologue pls*(lazy for the voice idgaf)