Was there a novel where both the male and female protagonists transmigrated?

The male and female protagonists were both students. The female protagonist liked the male protagonist, and the male protagonist liked another woman. After transmigrating, the male protagonist became the emperor. It seemed that the female protagonist was very pretentious. In the movie, the female protagonist played the piano and sang a song by Wang Xinling. The lyrics were like the wind blowing... forgot

Answer 1

"After Rebirth, I Become the Villain's Group Pet Concubine" is a novel where both male and female leads are reborn. I recommend it to you. I hope you like this fairy's recommendation. Muah ~😗