
Strong nation-building story, female protagonist as a tool, no CP.
An ordinary person, Tang Qingxi, quits her job and returns home to open a supermarket.
After preparing everything with great difficulty, she opens the door to start business, only to find that the supermarket has traversed to an island.
Next, Tang Qingxi sees the legendary merfolk! Merfolk that cry tears as pearls! Merfolk that weave mermaid silk!
After finally completing the task and returning to Blue Star, she immediately goes to the police; she wants to hand over the supermarket.
A month later, Tang Qingxi traverses again, this time to an ancient world, but this time it's very awkward, blocked right at the palace gate.
What's going on with this supermarket? Tang Qingxi simply wants to howl to the heavens.
Next comes the third world, the fourth world...
Luckily, with the nation's assistance, Tang Qingxi thrives in each world.
Meanwhile, the items brought back from each world help the nation to soar, one day standing at the top of the universe.