Hot werewolf novel - Alpha's regret: the Luna is secret heiress!

Olivia discovered a truth that shattered her heart. For 3 years, she had believed Ethan to be her destined mate, only to overhear him confess to another: "Olivia is beautiful, certainly, but I pursued her only because she resembles Cassandra. All these years, I've merely been searching for Cassandra's shadow in her." That night, with trembling fingers, she dialed a number she had sworn never to call again. "Father," her voice barely a whisper, "I agree to return home for the arranged mating."