King of Envy (Kings of Sin #5)

"Vuk Markovic is notorious for shunning human interactions. The scarred billionaire rarely talks, and he has no interest in relationships outside his small but trusted circle. His only exception? Her. The beauty to his beast, the object of his obsession. ... Now she's engaged to his oldest friend--and the closer the wedding looms, the more he's torn between loyalty and desire. She should be his--and he might just risk it all to have her. ... To the world, supermodel Ayana Kidane leads the perfect life. Her career has skyrocketed, and she's engaged to one of New York's most eligible bachelors. What people don't know is that the engagement is only a business arrangement. He gets his inheritance when they marry; she gets the money she needs to leave her abusive agency. Pretending to be in love should be easy--until she finds herself increasingly drawn to her fiancâe's enigmatic best man"--