Black Rock Shooter: Dawn Fall plot
It is 2062. Earth is devastated after the failure of an automation project when the artificial intelligence called Artemis started a war against humanity. A girl, Empress, awakens in a research lab. As one of three surviving guards, she must destroy the space elevator before Artemis can complete its construction. Failing that, an army of machines will flood the Earth. However, the unmanned forces of Artemis and a cult may have their own motives.