Bloodlust: House of Vampires by Tabitha Barret

I, Marianela Mielcarek, was royalty, groomed to lead the Mielcarek Coven, until I was betrayed by my brother, Marcario. I brought bloodshed and death to any who bowed to my brother by waging a war unlike any my people had ever witnessed.
Foolishly, I allowed my ambitions to get the better of me and now I must plan my escape from my new prison and reclaim my coven.
My brother has granted me one last chance to redeem myself and prove that I am worthy to rule beside him on his stolen throne. Little does he know that I have other plans.
Romance is the last thing on my mind, though a few handsome faces fighting on my side couldn’t hurt. If only my former betrothed can see things my way, I might have a future with him, unless he kills me first.
Reform or die, they said. Well, they didn’t say who would die…