Setsuna Ogiso is a central character in the anime series White Album. She is a high school student known for her beauty and talent in singing, making her quite popular among her peers. Setsuna is a member of the school's light music club and forms a close bond with the protagonist, Haruki Kitahara, and another club member, Kazusa Touma. Despite her cheerful and outgoing appearance, Setsuna struggles with her own insecurities and fears of losing her friends. Her role in the series revolves around her complex relationships, emotional growth, and the challenges of navigating love and friendship.