"She, an ordinary girl who has been treated as a pawn since birth, marries a demon instead of her sister because of a plot. Everyone expected her to die a terrible death the next day, but to her great surprise, not only did she not die, but she was obeyed by cold, merciless, and contemptuous demons! He doted on her, he protected her, he pampered her! When Yoo min-ah thought that this man would keep her life, she suddenly learned that she was just another woman's shadow from beginning to end. She was disheartened to leave to fulfill him and the woman's happiness, he was bullying her forced in the corner. ""Lady, you are not going to run away with the father?"""