Can you recommend a master-disciple romance novel?

The female lead's mother was the emperor's sister. Her father called her mother Lele. Her father was Prime Minister Mu (I think he was the Left Minister) and had a daughter called Mu Wu. The female lead was brought back to the palace by her mother when she was born because her father accidentally had sex with a woman in a brothel. Later, the woman came to the Prime Minister's residence to look for him because she was pregnant.(Later, it was confirmed that she was not the daughter of the female protagonist's father). When the pregnant princess 'wife found out, she was furious and went back to the palace to give birth to the female protagonist. At the beginning of the article, the female protagonist's mother asked her emperor uncle why he wanted to confer the female protagonist the title of princess. Then, her emperor uncle asked her mother,"Would you be willing to let the female protagonist be ranked second in the Mu family's genealogy and become the second daughter of the Mu family?" Once, the female protagonist and her father's daughter had an argument on the street and was taught a lesson by her father. After returning to the palace, the female protagonist's mother brought her to a small mountain village where she met the divine doctor male protagonist (I think his surname was Mo). Later, the female protagonist's father also chased her to the small mountain village and brought the female protagonist and her mother back to the Prime Minister's residence. After a series of events, the female protagonist was unfortunately poisoned and it was confirmed that Muwu was not the child of the female protagonist's father. Finally, it was a happy ending.