In the near-future city of Nova City, the mysterious Noise Cult seeks to break the seal on an ancient musical civilization's forbidden score, which imprisons 88 discordant beasts. Using negative frequencies, they plan to devour the world. Five young people with the power of resonance awaken as the Starflare Squad, piloting animal mecha to fight the beasts. As the battles intensify, they uncover a shocking truth: the secret behind the cult is tied to the captain's father, while the ultimate combined form of their mecha, the Starflare King, conceals a secret that connects to the universe.