The final of the Gunpla Battle National Championships in which a heated battle takes place. There was a figure of a fighter. A few months later, Misa Satsukino, who composes a new gunpla in the Ayato Shopping District, looks more unpleasant than usual. She sets the finished gunpla in the battle simulator as if Misa bursts into her hopeless rage and goes to battle, but the gunpla is suddenly arrested. With the major event GB Festa in front of their eyes, the fate of the Gunpla fighters is declared in jeopardy.