Futaba Hanaya is a main character in the anime series 'To Be Hero.' She is the teenage daughter of the protagonist, Ossan (Hanaya), and plays a vital role in the story. Strong-willed, intelligent, and independent, Futaba often finds herself frustrated with her father's immature behavior after he is transformed into a middle-aged, unattractive man with superpowers. Despite her tough exterior, Futaba cares deeply for her father and serves as a grounding presence throughout the series, balancing comedic and heartfelt moments.