Marked Ones Theodore and Aidan

Theodor is a Royal Leader of the Bombardians and they are just about to come out to the humans without the government backing. Out of the blue, his cousins house is invaded by the Blood Drinkers. A race that turns out he only knew about. He takes off to unravel why the Blood Drinker broke a promise made to him and his Uncle some eighty years ago. While dealing with that he finds his Keeper, the calmer of his beast side. Problem is, he's never heard of a Blood Drinker paired with his kind.