The story is set in the future, not long after the present day. Hyper Sports, which use extreme gear as support items, have become popular hobby competitions among both children and adults. Hiyori Hayama is a high school singer who has nothing to do with Hyper Sports, but a certain incident sets the story in motion.

• Ruriko Noguchi
• Miho Okasaki
• Kana Yuuki
• Kana Ichinose
• Asami Seto
• Ayaka Fukuhara
• Ari Ozawa
• Chinami Hashimoto