The Blood Shadows by B.A. Stretke

What lurks in the shadows may save you…

Ian Mathews is just taking it one day at a time. He’s working a dead-end job, he’s got a vicious Uncle harping on him, and he’s just trying to get ahead. Working late-night janitorial at Chicago City Hall is a pretty quiet existence, and he likes it that way. Ian thinks this is just like every other night. Ian thinks he will do his shift and go home. What Ian doesn’t know is that tonight, his world will shift on its axis. A man will step into his life and save him in just about every way a person can be saved. A mysterious stranger will step out of the shadows just as Ian is about to meet his end. In that stranger’s eyes, Ian will find his forever.
Nox Samara isn’t your normal vampire. There’s a darkness and a power that goes so much deeper. His mother was a vampire, and his father was a demon, leaving Nox with powers and a lineage that makes almost everyone start eyeing the door. It hasn’t been easy for Nox to find a place to belong, and his loyalty to Master Rose is unshakeable for taking a chance on him. He’s a fixer of anything Master Rose needs done, which brought him to City Hall in the middle of the night and into the path of his forever beloved. No one is more shocked than Nox that fate has given him such a gift. He will protect this gift with everything he has as dangers lurk, wanting to take the life of his beloved.

You don’t cross a demon and live to tell.