Wasteland Savior? Sorry, I’m Here to Carry the Nation to Victory!

Ordinary people + a powerful nation + an enormous golden finger + System-based management

(The protagonist's world is an ordinary world; the world where she sells goods is post-apocalyptic. At first, she works with the country through the System, and only later does she reveal the truth.)

After living an ordinary life for over twenty years, Zhao Xiyue never got the background-character life she'd expected, being carried to success by the protagonist of a powerful-nation story. Instead, on an unremarkable day, she transmigrated to a wasteland world and was given the responsibility of saving it.

After unbinding from the Rescue System, she was chosen by the Myriad Worlds Supermarket System. She exploits the System to improve her fellow countrymen, teams up with her country to sell goods to the apocalyptic world, and racks up System achievements like crazy, elevating the entire civilization!

Together, they embark on a life of nationwide cultivation and adventures across the stars.