God Bird

Three and a half decades have passed since the conflict between Brave Raideen and the Demon Empire, as well as other Super Robot wars. Peace has endured through the years, and Reideen has faded into obscurity as a forgotten legend. This tranquility is disrupted by the emergence of two Fossil Monsters. As citizens panic and remain helpless, an eighth-grade girl named Akira Saezuri hears a mysterious voice coming from a massive titan. The voice belongs to Akira Hibiki, the famed pilot of Reideen. A new conflict begins as a result.