Looking for the Qing Dynasty, My Destiny Lies in the Qing Dynasty

Gu Qing was ordered by the country to travel back to the Qing Dynasty more than two hundred years ago. His main purpose was to assist the emperor in governing the country. Who knew that he would accidentally be made a princess by the emperor and even be granted a marriage? And the other person still likes handsome guys. No! She wants to go back to modern times, but she can't let go of her husband-in-law, so how should she choose in the end?