Doomsday Supermarket: My Shelves Connect the World

In the second month of the apocalypse, monsters are rampant and order collapses. In order to protect his sister, Su Mo was torn apart by monsters and died tragically. However, he opened his eyes in a pool of blood—— A nine-layer black technology [supermarket] appeared out of nowhere and was bound to him! All materials are in unlimited supply, but they can only be exchanged for [Energy Crystals]! ⚡ Snatch? Violation? The system will be ejected directly and will never be allowed to enter! Expired supplies? Drone airdrops attracted countless survivors to worship! Are former classmates sarcastic? ——The system shield bounced all over the place! A kid from a rich family uses his power to oppress others? ——Kneeling in front of the supermarket and begging for a bite of instant noodles! Want to recruit external bases? ——The fort was instantly destroyed with a blast! In the eyes of everyone, Su Mo is the savior of the end of the world. But he just waved his hands lazily: "I only care about the shelves and energy crystals. Whether I can save people or not depends on my mood." Starting from an unmanned supermarket, to branches all over the world, Su Mo gradually established the only order in the end of the world! In this world, whoever controls the supermarket controls life and death!