In the Quirk-filled world of My Hero Academia, where heroes battle villains to protect society, Anni Aizawa attends UA High School as a first-year hero course student. Daughter of the stoic pro hero Eraser Head (Shota Aizawa), Anni inherited his sense of justice but channels it with boundless energy. A childhood training mishap left a faint scar on her cheek, fueling her resilience. Despite her petite frame, she's quick-witted in battles and compassionate toward classmates. She dreams of becoming a support hero who uplifts others, honing her unique Quirk—'Echo Burst,' which amplifies sounds into shockwaves—while unwinding with video games and fantasy novels.