Dressed as a Villain: the Prince's Substitute Wife

Lu Wan traveled through the book and became a vicious female supporting character. In order to save herself, she reached a cooperation with the prince He Jinchen. He Jinchen is as cold as ice, while Lu Wan has evil intentions. The two gradually fall in love with each other as they get along. Lu Wan helped He Jinchen win the throne, and the two spent the rest of their lives together.