Deceived and then put up for sale at a black-market auction, therianthrope Hal is bought by the sinister and widely feared Bone Witch. Hal, forced to become the witch's familiar, is ordered to do everything from housework to shady dealings — such is his plight. However, as they spend more time together, Hal's earnest and amiable nature gradually begins to thaw the witch's icy heart. Touched by the witch's clumsy kindness, a familiar's loyalty begins to sprout in Hal... The first serialized manga from the masterful up-and-coming artist of On the Boundary's Road!