After My Family Falls, My Husband Becomes the Black Dragon Duke

After her family's ruin, Elena—once a proud noble—is forced to marry Kael, a man she despised. He endures three years of humiliation, then rises as the feared Black Dragon Duke. He binds her with a secret contract, making her his hidden mistress. But beneath his cold revenge lies a cursed bloodline and a love he never stopped hiding. When enemies close in, Elena must break through his mask and choose between her pride and the dragon who gave everything for her.