Leah Kazuno is a supporting character in the anime series Love Live! Sunshine!!. She is a member of the idol group Saint Snow and the younger sister of Sarah Kazuno. Leah is known for her earnest and determined personality, often striving to improve herself and support her team. Despite her initial competitive attitude towards Aqours, she develops respect and friendship with them. Leah’s character growth highlights themes of perseverance, rivalry, and camaraderie within the series.