House Garnet's Archvillain(2022)

Gongjakgaui Heungmang Yeongaenim

Estelle, the empire's saint, was an illegitimate child who tried her best to be loved by her family and fiancé... until they sacrificed her to a demon for the sake of their greed. After 600 years of being tortured, she makes a deal with the demon to return by possessing the body of Jewel de Garnet, the only child of a powerful noble family. With her new identity and fierce determination, will Estelle successfully carry out her revenge? Or will someone from her past stop her from doing so?

(Source: Tapas)