Ayato Kamina, a 17-year-old high school student, lives in Tokyo Jupiter oblivious to the world around him, having been raised to believe that the rest of civilization has been destroyed; but everything changes when a mysterious alien civilization invades his home.

Hiro Shimonoas Ayato Kamina (voice)
Aya Hisakawaas Haruka Shitow (voice)
Houko Kuwashimaas Quon Kisaragi (voice)
Maaya Sakamotoas Reika Mishima (voice)
Mitsuru Miyamotoas Itsuki Kisaragi (voice)
Chikao Ohtsukaas Shougo Rikudoh (voice)
Jouji Nakataas Jin Kunugi (voice)
Kae Arakias Cathy MacMahon (voice)
Yumi Kakazuas Hiroko Asahina (voice)
Hirofumi Nojimaas Mamoru Torigai (voice)
Chiaki J. Konaka
Yutaka Izubuchi
Ichiro Okouchi
Yoji Enokido
Fumihiko Takayama
Mitsuo Iso
Sho Aikawa
Ichiko Hashimoto