Invincible Supermarket System in the Apocalypse

Five years after the apocalypse broke out, all resources were extremely scarce. But by chance, Shen Tao was possessed by the system of a super supermarket. Rice, fruits and vegetables that have not been seen for five years are now available in unlimited quantities with the help of the system as if they are free of charge! The scariest thing is that this store sells not only food, but also supernatural powers! Shen Tao completed one task after another announced by the system and unlocked one product after another. He wants to use this system to change the entire apocalyptic environment. What is an awesome base? In front of me, Shen Tao, you have to lower your head and call me brother. So what about a top-level base with hundreds of thousands of people! If you want rice, you still have to bow your head and cooperate! Let's see what kind of bloody storm Shen Tao will cause in the apocalypse, and how he will show off and trample on others! …