Blood Moon Bound by Sherilee Gray

Shut away since childhood by her cruel parents, Delphine longed for the day her mate—a powerful vampire warrior and mysterious member of The Five—would save her from an agonizingly lonely existence. But with their identities kept secret, she never imagined he’d be the Five’s brutal and battle-scarred commander.
Over the centuries just one thing has kept Constantine sane: dreams of the sweet female destined to be his and a life after war without pain or bloodshed. Every part of him hungers for Delphine, yet when he learns who her stepfather is—the male he’s vowed to destroy—he knows he must give her up.

But keeping his innocent bride at arm’s length won’t be easy—especially when Delphine ignores the battle lines completely and launches a ruthless campaign to win his heart…