Final Fantasy: The year 3000
Hell broke out when toxic fumes began to fall from the skies and changed so many people's lives, they turned into demons and started biting people to suck their blood as if they were a vampire, but once all the persons blood is sucked they turn into vampires as well, people who were outside and didn't get infected were either immune to the chemicals or lucky. Half of the world are full of modern cities and the other half are left in ruins or are they?…