After Handing Over the System, My Supermarket Took the Universe by Storm

[Opening supermarkets across worlds + unlocking upgrades + pledging allegiance to the motherland + timid and afraid of dying] Bai Ruowei worked diligently, but after she refused her boss's demand for a date, he made her life miserable for two whole years. She gritted her teeth and put up with it so she could pay her father's medical bills. Then, after two years, she finally quit in a rage. By chance, she activates the Soaring Through the Universe Supermarket System. Travel mode: on. Wait a minute... Where am I? Are those things swaying around out there zombies? Oh, I'm absolutely invincible and safe inside the supermarket. Then what are we waiting for? Let's get this party started! She smashes the zombies drawn by the smell of food with a club, then swiftly digs the brain-covered crystals out of their heads. One, two, three... Once she gets back to her motherland, she hands every last one over to the Motherland... Apocalyptic world Beastfolk world Undersea world Cultivation world Bai Ruowei's supermarket keeps expanding, and the goods she packs up to bring home grow ever more precious! Motherland: "My precious girl, you must be tired from eating. Here, have some pocket money." Bai Ruowei takes the black card with a smile, then immediately pays off more of her dad's medical bills...