The female humanoid Meteora Gibia has followed the human survivors, and Sensui and Kenroku try unsuccessfully to stop it. It seeks out Dr. Yoshinaga who is working on the vaccine, but Kenroku uses explosives to blow it out of the building and it falls to its death. Suddenly, Yoshinaga emerges from the building and reveals that he and Meteora are aliens, and he tells the story of the Gibia virus' journey to Earth. With Meteora dead, he injects Ayame with the Gibia virus and then himself...