In 20XX, the world was suddenly occupied by a large number of monsters. Human beings have completely become food in the mouths of aliens. The governments of various countries tend to collapse when they lose a large number of troops. Cities are destroyed by monsters and become ruins. If you want to survive, you can only kill from them. Make a bloody road. Where did the terrible monsters come from? How should human beings with technology face? Kill! Kill! Kill! Infinite killing, bloody killing, in order to reveal the final mystery, we can only kill all the monsters Stuff! The new book 'The Defector' has been uploaded. Please pay more attention!