The Vampire’s Hunter by Kait Ballenger

When human waitress, Dani Harper, escaped her abusive, supernatural ex, she thought she’d never return to the Cosa della notte syndicate, until a twist of fate sends her running back into their vicious, glittering world, and straight into the arms of a wicked vampire, who once broke her heart…
Vampire mafia boss, Corbin Blackwell, is out for revenge against the monstrous vampire who sired him long ago, and with stunningly beautiful Dani playing the role of his fake mistress on his arm, he may just pull this hit off. Except Corbin doesn’t account for the very real feelings he has for Dani, and when push comes to shove, Corbin finds himself forced to choose between the woman he loves, and the plot for revenge which consumes him…