It is the year A.D. 2307. Fossil fuels on Earth have been depleted entirely, with mankind turning to the next available power source: solar energy. During this time, 3 orbital elevators with solar power generation systems are built, each under control by the Union of Solar Energy and Free Nations (formerly United States of America), the Human Reform League (Russia, China and India) and the Advanced European Union.
Status: Finished Airing
Aired: Oct 6, 2007 to Mar 29, 2008
Producers: Sunrise, Sotsu Agency, Asatsu DK, Mainichi Broadcasting, Bandai Entertainment, Sony Music Entertainment
Duration: 24 min. per episode
Rating: R - 17+ (violence & profanity)