In the sky over Hakata city, fighter planes were flying and bombers are dropping bombs one after another. It became a sea of flames around Fukuoka Dome. At that time, a light appeared in the sky. In the shower of missiles, it intercepted enemy planes by its energy cannon. It was another &ldquo;Ultimate Weapon&rdquo;.<br><br> In the meantime, Chise was suffered from the fact that she&rsquo;d been turned into a weapon against her will, and she was thinking about Shuji. However, the army continued sending her to the battle fields.<br><br> Whether another ultimate weapon is an enemy or a friend?<br><br> This OVA will reveal another truth that wasn&rsquo;t described in TV series. <br><br> (Source: AnimeNfo)