Tazuna Hayakawa is a supporting character in Uma Musume: Pretty Derby. She works at Tracen Academy and serves as a calm, dependable advisor and caretaker for the horse girls. Tazuna helps guide the main characters in their training, daily life, and personal growth, often acting as a supportive adult presence. She is known for her gentle demeanor, practical advice, and strong dedication to helping the Uma Musume succeed both on and off the track.