Everyone Dying, I Rule the Supermarket

Zhang Xiao is an ordinary street-side fried rice vendor until he accidentally transmigrates into a famine apocalypse and gains a supermarket system. With a mere thought, items from the supermarket appear in his hands. You get emotional over an apple? No way, you have to give yourself in exchange for a bowl of instant noodles? Then in this apocalypse, am I truly invincible?