世界は攻撃を受けており、巨大な未確認浮遊物体が空を舞いパニックを引き起こす。The world is under attack, huge unidentified floating objects soar the skies and cause panic. But the soldiers sent to stop them have deserted and gone home to enjoy their family time. 7 heroes show up to fight the unknown threat. They fly up in the sky in a glow of light while they are enveloped in big robot frames. Is this the time for Souya to join the heroes in a fight for humanity? No, apparently he has to fight off the heroes.
