On a distant continent, there lies a metropolis named Satellite City Nine. Within this urban sprawl, a screw straightening technician called Rui Li at the local factory slowly senses the city's false façade amid her routine tasks. Assisted by an enigmatic figure known as Anull, Rui Li acquires the ability of metamorphosis and transforms into the burglar Sirius, in the shadows of a crumbling empire and now covertly plotting her escape. When reality finally reveals itself before her, Rui Li realizes that her true struggle has merely commenced.
