After a Woman Disguised Herself as a Man and Became an Emperor, I Created a Prosperous Age

[A girl disguises herself as a boy as a young emperor × the kind and gentle mother-in-law, the queen mother × the strict biological mother, the iron-blooded general × the chief civil servant, the empress, taking the route of a Machiavellian drama + delicate emotions + family, country and world,] A six-year-old girl pretends to be a prince and ascends to the throne. Her biological mother is kind and gentle, but her biological mother is strict. She wants to take back the country and become a true emperor surrounded by the clan.