Setsuna Yuki is one of the main characters in the anime series Love Live! Nijigasaki High School Idol Club. She is a passionate and energetic high school student who serves as one of the idols in the series. Setsuna is known for her dedication to her idol activities and her love for all things related to music and anime. She often inspires her fellow club members with her enthusiasm and determination. Her character is central to the storyline, driving many of the group's adventures and performances.