Synopsis: The Regressor Heroine and the Villainess Seeks to Coexist

One day when I opened my eyes, I was possessed by the body of a wicked woman in the fantasy world. Judging by the surrounding situation, the wicked woman must have loved the first prince and attached to him, therefore, tormenting his lover. What's going on? This happened in the novel contents. Is it none other than the female lead that has been his lover who has been tormented by the wicked woman?