Shiranui Deanna is a supporting character in the anime series 'Ookami to Koushinryou' (Spice and Wolf). She is a skilled merchant known for her intelligence, negotiation skills, and deep understanding of trading. Deanna plays a pivotal role in assisting the protagonists, Kraft Lawrence and Holo, by providing them with crucial information and strategic advice. Her composed demeanor and experience make her a respected figure among merchants, and she often serves as a guiding force during complex trade negotiations.