I Will Divorce the Female Lead's Siscon Brother

After transmigrating into her favorite novel as Ethel Wallace, she realizes how ridiculous everyone is to fawn over Riena Cassius, her sister-in-law and the original female lead who regressed in the story. Ignored by the family and unable to endure the nonsense any longer, she is determined to divorce her husband and turns toward the marquis, Riena’s future enemy, for help. Will Ethel escape House Cassius? Or will regression trump transmigration? And why does the marquis seem… like a gentleman? --- Ethel, who reincarnated into her favorite novel, has married the female lead’s brother Liena. She thought her marriage life was genuine, but soon enough she became tired of a husband who cared only for his sister and whose attention was always centered on Liena, yet was cold to her, so she filed for divorce. “Divorce? Absolutely not!” However, her opponent is a powerful duke, so she turns to Terrence, the villain of the original story to be her assistant for a smooth divorce. “The only person I want to have by my side is you, Ethel.” …But this man’s fate is to be hurt by Liena. As the more she knew about Terrence, the more he seemed attractive to her?