In this sizzling continuation of the Mastered series by New York Times bestselling author Lorelei James, a man will find the domination he's always craved... Shiori Hirano and Knox Lofgren are left to run the martial arts program at Black Arts while Ronin Black travels. On the surface, the two highest ranked belts appear to cooperate--but in private, they butt heads constantly, despite the undeniable attraction between them. Soon their power exchanges...