Apocalypse: Start with a Built-In Online Shopping System

Biochemical attack in 2045 Half of the world's population randomly mutates into zombies I got the online shopping system after killing the first zombie Get 100 yuan reward for every zombie you kill Kill special zombies to get more rewards The online shopping system can support me to buy supplies, buy skills, buy construction and buy mutations The world is at my beck and call! The system is cool, the main combat deputy has a harem, huh! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.