Prince of Gluttony by K. Elle Morrison

Orobas, The Prince of Gluttony, is the collector. Whether it’s riches or souls, he can never get enough. Amber has very specific tastes and pain is one of them. When Orobas meets the sultry Domme, he is instantly enamored and will do anything to feel the sting of her love. But when Amber realizes who her new sub really is, will the power imbalance be too great for their budding relationship to flourish?