The Queen of Spades, Vol. 1 by Savannah Skye

Bred and enhanced to be as strong as a vampire and almost as lethal, Anthony used to be a Vamp Taker…until his partner was killed in action. Blaming himself for not being a good protector, Anthony has gone AWOL, burying his grief and taking a job as a roadie for the most popular vampire rock band in the world. He’ll do whatever it takes to keep his true identity secret, rebuffing anyone who tries to get close to him. But then along comes Livia, and not only is she determined to rock his world, she’s also determined to find out all his secrets. Can this be the second chance at happiness Anthony has been longing for, or will his secrets wind up getting them both killed?