Saya Saionji is a prominent character in the anime series 'Nishi no Yoki Majo'. As a member of the noble Saionji family, Saya is known for her grace, intelligence, and strong will. She plays a crucial role in the narrative, being a close friend and confidante to the protagonist, Firiel Dee. Saya's character is central to the unfolding of key events, using her knowledge and status to influence outcomes. Her deep understanding of the political landscape and her strategic thinking make her an invaluable ally and an interesting character throughout the series.