Sumire Heanna is a vibrant and ambitious character in the anime series 'Love Live! Superstar!!' She is a member of the Liella! idol group, which is central to the series' storyline. Sumire is known for her outgoing personality and determination to succeed as an idol. She often brings energy and enthusiasm to her group, encouraging her fellow members to strive for their dreams. Despite facing challenges, Sumire remains optimistic and hardworking, making her a key figure in the group's dynamics and the overall narrative of the series.