My Little Shop Connects to Myriad Worlds, Customers Are All Transmigrators

[System + Shop-Running + Food + Infrastructure + National Backup + Healing & Heartwarming + No CP + Getting Rich + Everyday Life Stories] Ji Nian, after quitting her job, inexplicably got bound to an "Have You Eaten?" system. She thought it was just a knockoff food delivery app, but it turned out she had to register as a delivery merchant. First order after opening: [One portion of secret-recipe soy-braised beef, note: begging for a taste, address: Liuwan Lane, West Market of Bianliang (Song Dynasty)] Ji Nian: Song? The Song I'm thinking of? Right after that, the orders got more and more outrageous: [Large portion of boiled fish, note: being a transmigrated supporting female character...