Hiyoko Saionji (西園寺 日寄子), is a student of Hope's Peak Academy's Class 77-B. Her title is the Ultimate Traditional Dancer (超高校級の「日本舞踊家」 lit. Super High School Level Classical Dancer). Hiyoko is an extremely petite, slender girl with a young appearance. At first sight, Hajime remarks that her voice and her appearance don't give off the air of a high schooler at all.