Medoki is a vampire hunter affiliated with the Vampire Hunters' Guild who also serves as a store clerk at a vampire extermination goods store. His hunting activities typically involve partnering with another hunter, Shōka; this partnership formed unconsciously due to Medoki's naturally helpful and caring disposition and their shared age. He possesses a monk-themed aesthetic in his appearance and role, characterized by blonde or yellow hair and black eyes. Medoki has a stated preference for small-breasted women.