I Save the World by Opening a Supermarket

This article's copy: The apocalypse is approaching, natural disasters are relentless, and humanity's living environment is shrinking. Yan Rui, who has lived in the apocalypse for ten years, is reborn three months before the apocalypse begins. After his rebirth, Yan Rui hopes to no longer be so passive in the impending apocalypse. Luckily, he owns a small supermarket, so his stockpiling of goods is inconspicuous. But something extraordinary seems to have happened to this supermarket. What was once an ordinary small supermarket has now gained the ability to travel across various dimensions. System: Do you want to save the world? Please follow my steps and march forward together! Yan Rui: ...