Frost

Ember Frost kills demons. It's what she knows, and she's damned good at it. Lately, though, the job isn't doing it for her like it used to, and after a quick fling begins to look more serious, she's flirting with the idea of finally getting a life outside of work. Unfortunately, there are a couple of catches.

First: a slight misunderstanding at work just might have landed her on top of her employer's hit list

and...

Second: a Black Hood named Lazarus. He's made a pact with a powerful demon and is looking to tear down the Rule of God. But first he's coming after Ember, and he's willing to destroy everything she cares about to get to her.

Trying to survive life, work, and keep the faith can be a real bitch. But then again, so can Ember.