Zero sequence

"A city where genetic rank is status, and a child's blood becomes currency." "There, a single 'pure human' awakens." Jungbaek, who has awakened from cryogenic sleep. An unknown AI 'Aura' lives in his brain. The city monitors him, and Aura tries to control him, while his companion Relton suffers from genetic transformation. In the genetic city of Bellatrix, where monsters, mercenaries, nobles, and test subjects are intertwined, the struggle to find a pure human is depicted.