Jiangshan Sheji, What Does It Have to Do with Me?

Yun Yu traveled through time, and even married in place of her sister and became the regent princess. Then as expected, she almost became the second cousin, and became the laughing stock of the whole Beijing. Faced with this situation, Yunyu chose to find an opportunity to sneak onto the street to see what was delicious. Later, her fortune unexpectedly helped her become the left prime minister. The left prime minister appreciated her very much, so she chose to—— Enter the palace and become an official! Battle of wits and courage with the right prime minister, play chess with the emperor, drink with the general outside the wall, and help the princess and the emperor of a neighboring country lead a red line. It was only when a certain prince came to her door one day that she realized, yes, she seemed to have the identity of a regent princess?