In the 2030s Earth has been overrun by the Blue, which are mutated insect-like creatures that kill and harvest humans for food. Most of the surviving human race has moved to Second Earth, a huge spaceship that orbits the planet. Yuji and Marlene must work together to reach Second Earth and fight against the Blue.

• Kenji Nojima
• Katsunosuke Hori
• Yukitoshi Hori
• Junko Hagimori
• Shunsuke Shima