In a world where a plague made everyone that got infected was transformed into a zombie. Inspired by "The Virus Within" by Crystal Scherer (check out their story), 4 friends just back from their Vacation realized a plague has caused a zombie virus. Like in "The Virus Within", there are Sane zombies, of the same ranks (but with 2 or more other ranks), and you have a higher chance of becoming sane (with an 80% chance). Credits to @CrystalScherer for inspiring this story and credits to @MarvelousNovels for inspiring me to write again