Height: 152cm

Natsumi Onitsuka is a main character in Love Live! Superstar!!. She is currently a second year student at Yuigaoka Girls' High School. She is both a second-generation member of Liella! and a member of the sub-unit 5yncri5e!. Her image color is pink.

Natsumi is a cheerful, energetic yet mischievous, greedy and selfish girl who is fixated on earning money. She is always shown to be doing anything she can to earn it.