Natsumi Onitsuka is a main character in Love Live! Superstar!!. She is a third-year student at Yuigaoka Girls' High School. She is a second-generation member of Liella! and a member of the sub-unit 5yncri5e!. Her image color is oninattsu pink. Natsumi has a friendly demeanour, but can also be rather manipulative and selfish; she initially gets involved with Liella! to take advantage of their growing popularity to obtain money and internet fame through ad revenue as a social media influencer.