Ryouko Ryuudan is a skilled and strategic fighter from the anime series Yuu☆Yuu☆Hakusho. Known for her calm demeanor and intelligence, she plays a crucial role in the series by assisting the main characters on their missions. Her expertise in hand-to-hand combat and keen strategic mind make her a valuable ally. Throughout the series, Ryouko grows stronger both physically and mentally, showcasing her dedication and determination. Her presence in the series adds depth to the storyline, and she often provides the group with tactical insights that help them overcome various challenges.