Nana Izumoto is a supporting character in the anime film Uma Musume Pretty Derby: Beginning of a New Era, as well as in the earlier OVA Road to the Top. She works as a race caller, providing play-by-play commentary for the Twinkle Series, the central horse racing competition in the franchise. Her role places her in the broadcast booth during major races, where she announces the progress of the runners and the excitement of the events. As a commentator, she is a consistent presence throughout the film, offering her voice to the narrative flow of the races. Beyond her function as an announcer, there is no detailed background or personal storyline provided within the movie. She does not undergo any significant character development and has no notable relationships with the main characters beyond her professional observation of their performances. Her primary ability is her skill in delivering clear and energetic commentary that enhances the atmosphere of the races. She appears only in a supporting capacity, serving as an observer and narrator of the action.