Dressed as the Traitor's Daughter

The whole capital was overjoyed. The idiot girl from the most treacherous family was killed! What, pretending not to be dead? His personality changed drastically, as if he was a different person! Su Nian's mood was complicated. She had traveled through the book, and she was still the daughter of the villain in the book. Her death in the end would be so miserable! I have no control over my fate, so she doesn't believe that the plot can't be changed... And so on. Why did the plot go astray inexplicably after changing it? The promised righteous male protagonist did not come to destroy her family, but instead confessed his loyalty to her? Su Nian collapsed and wanted to cry, "Dad, your sworn enemy said he has a crush on me!"