This novel was called "The First Female Mister of Time Travel". It was an ancient romance novel. In order to save her student from falling off a cliff, the female protagonist, Xia Ziqing, transmigrated to a completely empty era and became her former granddaughter, Minister Li. Xia Ziqing disguised herself as a man and entered the court as an official. In the end, she became a female teacher of the number one academy in the world and became famous in history as a woman. In addition to the Prime Minister, she also met the evil and arrogant prince, the talented young master, and the silent guardian swordsman. In this era where men were superior to women, the female protagonist used her wisdom and talent to write her own legendary story. I hope you like this fairy's recommendation. Muah ~😗