She Became the Wicked Sister-In-Law of the Heroine

My death was already unfair but I can’t believe I’ve transmigrated into this disgusting affair-glorifying novel! * Because of her father’s affair, she grew up abhorring the idea of it and was disgusted by anyone who committed such ‘heinous crimes.’ Her mundane life was laborious but fruitful, however, the novel she chose to read on her break turned out to glorify the affair between the female lead and the male lead. She was furious at the novel’s ending, so much so that she actually died! Wouldn’t be strange even if she won the Darwin Award… When she opened her eyes, she was in the novel in question, . She possessed the body of Lucia. She was now the sister-in-law of the heroine, Rosa...