Shiina Kokomi is a hard working but even tempered high school girl who is the lead performer in her school's rhythmic gymnastics club. The story follows her and her growing circle of friends as they support each other through the various trials and situations that comprise high school life.

• Satomi Sato
• Kaori Ishihara
• Kikuko Inoue
• Rina Sato
• Sakura Tange
• Hitomi Harada
• Minako Kotobuki
• Ayahi Takagaki