Obsidian: Awakening by Sienna Frost

In a world where the desert splits into black and white, the outcome of a centuries-long war rests in the hands of a legendary male prostitute, a young girl born to carry the weight of nations, a wife who lives to kill her husband, and a conqueror who must become a tyrant to save an empire-all of whom must decide what they treasure more: their own freedom or that of their land