Shoot the Enemy Out of the Sky!.By now the Invaders have taken to the skies. Planes have been crashing worldwide, with the most recent activity occurring over the Sea of Japan. Shun is to meet with a member of the Shanghai branch at Atsugi Airbase, where they made an emergency landing while in pursuit of an unidentified aircraft. He must help this agent is finding the Invader...if only he knew who the agent is...