The Third World War (2099–2126) devastated part of the Earth. Former nations are reforming while new powers emerge, and groups of humans struggle to survive in ruined cities. The story follows Deunan Knute and her partner Briareos as they search for the legendary city of Olympus.
| Actor | Role |
|---|---|
 Yuka KomatsuDeunan Knute (voice) | Deunan Knute (voice) |
 Junichi SuwabeBriareos Hecatonchires (voice) | Briareos Hecatonchires (voice) |
 Aoi YuukiIris (voice) | Iris (voice) |
 Hiroki TakahashiOlson (voice) | Olson (voice) |
 Hiroki TouchiTalos (voice) | Talos (voice) |
 Kaori NazukaNyx (voice) | Nyx (voice) |
 Tessyo GendaTwo Horns (voice) | Two Horns (voice) |
 Katsunosuke HoriMathews (voice) | Mathews (voice) |
 Hisanori Yoshida(voice) | (voice) |
 Shinichiro Kamio(voice) | (voice) |
 Yoshiki Nakajima(voice) | (voice) |
 Yuki Yonai(voice) | (voice) |
| MMao Satonaka(voice) | (voice) |