Who said: "No one is young anymore", then why did she become a baby and the prince of a country?
There are treacherous ministers inside who are eyeing her, and her daughter's identity is hidden again and again.
There are powerful enemies outside, how do you protect the country's safety by fighting and galloping on the battlefield?
Um,
The imperial system is rough and chaotic, and it would be better to change it;
The aristocratic family is so arrogant, it is better to cut them down;
This prince is quite powerful and I cannot marry him.
See how a time-traveling woman in this unknown dynasty grows into a qualified prince and how she finds her true love.