Dair's Risk, Book 2 of Vampire Wars
Dair, Lead Kedge to alpha master Kylor, was disenchanted with his leader. Going against orders, he infiltrated a vampire clan, only to come face to face with his mate. But things didn't work out like Dair wanted, and angry, he left his clan. Risking everything, he lost the will to live, until Kylor called him home to save the little omega that was his fated mate.