At eighteen, Nirelle is sold into slavery by the only family she has ever known. Betrayed by those who were supposed to love her, she is stripped of her freedom and taken to a private auction hidden from the human world. There, she is sold to Caspian Nox, the Demon King.The attraction is instant the moment they meet, but Caspian is cold, distant, and controlled. He keeps her close in his tower, protects her, and provides for her every need, yet builds a wall between them.Everything changes when he reveals the truth: Nirelle is his mate, bound to him for eternity. From that moment, he stops holding back and shows her a possessive, obsessive love only a Demon King can give.But a jealous demoness who wants the queen's throne sees her as a threat, and a demon lord who wants Caspian's crown targets her as his weakness.Will they survive the enemies who want to tear them apart?Can Caspian defy his own demons to keep her?