[Farming and Infrastructure Building + Strong Female Lead + Multiple Male Leads: Don't read if that's not your thing]
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Emperor Qin: Little Li, it's been seven days. Has Princess Yi'an realized her mistake?
Li Yu: Your Majesty, the princess is fighting a little beggar over a steamed bun.
Emperor Qin: That unfilial daughter! (Spits blood)
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Second Prince: It's been so long and Imperial Sister still hasn't returned to the palace. Send her some gold, silver, and jewelry.
An Yi: Your Highness, the princess probably doesn't need any.
Second Prince: Why not?
An Yi, unable to keep his thoughts to himself: The princess's businesses are all over the country. Your private allowance wouldn't even cover one day's wages for her employees.
Second Prince: (Face darkens)
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Empress: I must help Yi'an choose the best man in the world to be her consort.
Senior Palace Maid: You can stop worrying. The princess has countless male companions, each more impressive than the last.
Empress: (Completely bewildered)
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More than ten years later, the whole country has changed beyond recognition.
Buildings stretch as far as the eye can see. The people have enough to eat and warm clothes to wear. Medical care is reimbursed at clinics, schools provide children with free education, and light and heavy industries operate side by side. It takes only a few days by train to travel from the capital to the border...
The emperor, witnessing it all, is utterly dumbfounded.
Could his Princess Yi'an really be a celestial being sent down to save the world?
Another time travel story