* Setting: A parallel world in which all countries are involved in a world war, with violent conflicts and warfare. The effects of the war have unleashed a zombie apocalypse, and the world is in the midst of invasion and destruction. * Characters: Characters from various nations, each with their own unique personalities and motivations. Some seek power, some seek refuge, and some seek to find a cure for the zombie outbreak. They are all forced to fight for their survival in this new world order.