The Start of Every Nights

Humans created a malicious virus called "Virus Zero" that almost ended Ninety percent of all living thing. The virus infected any kind of living thing turning them into savage monster. Humanity begun to declined after the world wide spread of virus. Monsters roaming at nights with a unnatural strengths and speed that dominate the shade of nights. Countries, Regions, Cities and Towns abandoned by the humans that want to kept alive. The survivors of remaining human are hiding in the shadow of the ruins and shelters, fighting for their lives and hunting for foods.