My Sister Stole My Fiancé and Forced Me to Marry a Servant, but I Was the One Who Found Happiness

Countess Edina had been forced to live like a servant to her older sister, Mireille, since she was five years old. Her parents doted on the lovely Mireille, treating the plain and ordinary Edina as if she didn't exist. This tendency became even more pronounced after Mireille became disabled in an accident. Edina had been forced to live such a difficult and painful life, but a turning point came at a ball. She met Duke Ames by chance, and he told her, "I want to get to know you better." For the first time in her life, Edina's heart fluttered for a man, but she suppressed her feelings, knowing that her sister would never allow it. However, when she met Duke Ames again, he suddenly proposed marriage...