In a world ravaged by monstrous entities known as “Kōsō,” beings of pure chaos and malevolence who seek to consume the very essence of the planet, humanity teeters on the brink of annihilation. Blaze's peaceful life is shattered when a horde of Kōsō attacks his family during a quiet day at home. In the ensuing chaos, his world is destroyed, and he is left with nothing but the ashes of his past and the burning desire for vengeance. Sworn to prevent such devastation from ever happening again, Blaze dedicates his life to eradicating the Kōsō. With only his sister, the sole survivor of their tragic loss, by his side, Blaze embarks on a perilous journey. Together, they seek to harness their inner strength and confront the darkness that took everything they held dear. In this epic tale of loss and redemption, Blaze must navigate a world teeming with monstrous threats while striving to protect what remains of his shattered world and find a way to restore hope.