Zanting! Zhi Xu Chongzu

In a city known as Satellite City No. 9, located on an unnamed continent, Rui Li works as a screw straightener in a factory. Through her repetitive routine, she begins to sense something unnatural about the city. Assisted by a mysterious figure named Anull, she acquires the ability to transform and adopts the identity of the thief Sirius. She uses this power to attempt an escape. As more about the city's nature is revealed, Rui Li comes to understand that the true conflict has only just started.