(Also called: Doomsday: I was infected with the virus early at the start)
Because human over-exploitation has led to extremely serious pollution of the earth, a mysterious virus broke out on the earth in 3076. Through respiratory infection, people infected with the virus will become zombies, and some people will even become mutated zombies. Such zombies who can fly in the sky and escape from the earth are omnipotent and are called zombies...
