Mad Sister! After the Marriage Change, I Became the Royal Family's Favorite

(Marriage exchange control group + Machiavellian strategy + career-minded female protagonist + love-minded male protagonist) In her previous life, her sister-in-law insisted on celebrating the unconscious Prince Jing, regardless of her family's objections. Ye Nanyan replaced her eldest sister's engagement and married the rich man of the Hou family. After the marriage, the eldest sister was disliked by the imperial concubine and bullied by the servants of the palace. A year later, Prince Jing finally woke up. He did not like the eldest sister, but respected her. The eldest sister was dissatisfied and acted like a monster all day long. In the end, Prince Jing was disgusted and abandoned her. After getting married, Ye Nanyan got along harmoniously with her mother-in-law and sister-in-law, and her husband's career as a dandy entered the officialdom. She was not envied by everyone in the capital. In this life, the two of them were born together, and the eldest sister made a fuss about changing her marriage with Ye Nanyan. Ye Nanyan said, just change it, she really thought that dude was a good thing. Soon the eldest sister discovered that her playboy husband was still not doing business every day, and her charitable mother-in-law and sister-in-law were all hypocritical and full of schemes. Ye Nanyan, who was married to Prince Jing, was rewarded by the emperor's concubine almost every day, and everyone in the capital was full of praise when mentioning her. Even Prince Jing...