Sarah Kazuno is a supporting character in the anime series Love Live! Sunshine!!. She is the older sister of Leah Kazuno and a member of the idol group Saint Snow. Known for her strong leadership and composed demeanor, Sarah is highly dedicated to her group and serves as its main vocalist. Her interactions with the members of Aqours, the main idol group, provide motivation and rivalry, helping to drive the competitive and inspirational themes of the series.