Going Rogue by Amelia Shea

Quinn O’Malley’s less than stellar life drags her even deeper, plummeting her into a dark abyss when her misfortune designates her Enemy Number One to the devil himself.
After an altercation and deal gone wrong, Quinn finds herself living on borrowed time, at the mercy of a notorious, ruthless, and unpredictable King of the Underground. She has nothing of worth to bargain with except her life.
Matteo “Rogue” Scavo’s entire life has constructed a well-earned reputation as volatile, calculating, merciless, and unpredictable. The second in command of the Underground, he doesn’t tolerate distractions, he won’t entertain foolishness or shenanigans, and he certainly doesn’t do soft. No one is exempt from Rogue’s wrath.
Sharing a scarred and broken past is the only thing these two have in common. Quinn’s docile, submissive, and kind nature versus Rogue’s harsh, deadly, and unforgiving character is a recipe for the ultimate showdown. The predicament of Quinn falling for a man who loathes weakness and Rogue softening for a woman’s sweetness has these two clinging to what they know and fighting against what they want. And everyone in their realm is dragged along for the ride.