The discovery of SA cells triggered a dramatic advance and collapse in human civilization. The new sentient, Adams build and control the new society, pushing the rebelling Anti-netters’s appearance. Young Eda and his father has been living in secret for years, although he never sure if he was an Anti-netter. When he finally kept in the prison of Anti-netter, Eda finally comes closer to the truth of the new society.

“Aurora City” is a place that never knows sunlight. Due to limited resources and for the sake of racial purity, every 10 years, all young people in the city should fight in a big tournament. This year, Cill Codon, who has an unusual black hair and eyes is eligible for the dead-or-alive survival battle...