Sion is a bright teenager living a comfortable and promising life inside No. 6, one of this six remaining city-states created by The Babylon Treaty after the last great war devastated the world.
Status: Finished Airing
Aired: Jul 8, 2011 to Sep 16, 2011
Producers: Bones, Aniplex, Fuji TV, Sentai Filmworks
Duration: 23 min. per episode
Rating: R - 17+ (violence & profanity)