The Evil Princess Just Wants to Survive Until the Finale

Su Yunjin traveled to an ancient novel. Good news: She is the only daughter of the current Holy Emperor, the most powerful second generation. Bad news: She is the vicious female protagonist in the novel, who bullies the female protagonist, robs the male protagonist, and ends up miserable. Even worse news: She hadn't read the book and wasn't familiar with the story. Fortunately, she traveled at a good time, the story has not yet fully unfolded, and there is still room for redemption. So she planned to find a consort to avoid competing with the heroine for the male lead, and at the same time avoid having to get married. Then we will arrive at the finale happily and peacefully. Su Yunjin hurriedly went to Qingyun Academy and personally selected the person she thought was the most suitable person to be the consort. But why did that weak young man start to act a little strange after getting married?