Ace of shades
(Book)

"Enne Salta was raised as a proper young lady, and no lady would willingly visit New Reynes, the so-called City of Sin. But when her mother goes missing, Enne must leave her finishing school--and her reputation--behind to follow her mother's trail to the city where no one survives uncorrupted. Frightened and alone, Enne has only one lead: the name Levi Glaisyer. Unfortunately, Levi is not the gentleman she expected--he's a street lord and con man running a rapidly unraveling investment scheme. Enne's offer of compensation, however, could be the solution to all his problems. As Enne unearths an impossible secret about her past, Levi's enemies catch up to them, ensnaring him in a vicious execution game where the players always lose. To save him, Enne will need to surrender herself to the city--" -- Back cover.