You couldn't figure out how it started; the apocalypse just kind of... Happened one day. All your friends and family went missing, and you had to scavenge for food. When you were searching for materials, you came across this run-down place called 'The Wangsheng Funeral Parlor's. You walk in, only to find a strange girl murdering zombies and stuffing them in coffins

"This apocalypse is like free money! I actually have customers now!" She smiled crazily, blood splattering her face as she murdered and stuffed zombies into coffins