Riko Narumi is a fictional character from the anime and manga series Kōri no Kaze (also known as The Ice Wind). She is known for her intelligence and analytical skills, often solving complex problems that others find difficult. Riko has a calm demeanor and a strong sense of justice, making her a reliable ally in various situations. In the series, Riko often collaborates with other characters, including her close friend Haruto, to uncover mysteries and tackle challenges. Her character development throughout the story highlights themes of friendship, perseverance, and the importance of using one's intellect for good.