Doomsday: I Have an Upgrade System

A sudden natural disaster swept the world in an instant! The doomsday is coming, and countless infected bodies are filling this broken world! When countless survivors are still worrying about how to survive in this troubled world. Jiang Feng has obtained a mysterious system! Use the system to kill enemies and level up. Holding a cold blade in your hand, you will become a legend in the lost land! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.