TLDS

Estelle was raised under severe persecution as an illegitimate child of the Duke. All of her life, she tried to be loved by the people around her, but she was betrayed and sacrificed to the devil.

She suffered for 600 years in hell.

And then one day...

[Do you want to take a revenge?]
[If you want, I'll send you to their most brilliant moment, how is that?]

She heard the devil's whisper. Estelle hold the devil's hand and return back from hell.

She then become the Lady of the greatest family of the Empire, the Young Lady of Garnet that will bring the ruins to all those who betrayed her.

"I'll take everything away from my enemies, and end them in the worst ways possible."

title: The Lady's Dark Secret <공작가의 흑막 영애님>
writer: 유인
source: kakaopage

*STORY NOT MINE*
*FAN TRANSLATION*