Production Companies: Chubu-nippon Broadcasting Company , Fukuoka Broadcasting System , Hiroshima Telecasting , Hokkaido Broadcasting Co. , Horipro , J Storm , Miyagi Television Broadcasting , Nikkatsu Corporation , Nippon Television Network Corporation , Shizuoka Daiichi Television , Shueisha , Yomiuri Shimbun Company , TOHO , VAP , Yomiuri Telecasting Corporation .
Overview: After trying to rescue a man on the subway tracks, two teens wake up in a room dominated by a mysterious black sphere that sends them to hunt down and kill aliens hiding on Earth.