Once upon a time, a scientist messed up with his experiment, eventually turning his research subjects into flesh-eating monsters that ravaged countless people and cities, or was that the right story? The world was divided into two categories: humans and non-humans. An unexpected attack of zombies came over the city, and a group of teenagers, which consist of one human and two non-humans escaped the attack, but unfortunately, there was more to what they've expected in an average zombie apocalyptic world.
17 parts