Shojo Null

In the 23rd century, humans use mindless organic robots called Gijin to do their every bidding. But when an escaped military Gijin named Marie frees herself from human control, it becomes clear that the Gijin aren’t so mindless after all. She vows to make a world where all Gijin are free, and there’s only one way to do that—to kill all humans!

Source: VIZ Media