Before Global Famine, I Opened a Supermarket

After being optimized by the company, Han Xing just wanted to go back to his hometown and open a supermarket and lie down. But accidentally bound to the god-level supermarket system, and learned that a hundred days later, global famine is coming. While others are struggling for a piece of bread, his warehouse is filled with tens of thousands of tons of grain and oil; When the power boss shows off a pistol, his counter has unlocked a single-soldier mecha; He originally wanted to be a quiet doomsday merchant, but the world forced him to build a city, establish a country, and become the only god in this wasteland. "Our store's rules: No use of force, honest transactions. Want to cause trouble? Ask my rail gun partner first if he agrees."