Blame Blu-Ray   Crunchyroll

Japanese anime in which the human race faces extinction following the Earth's occupation by rogue artificial intelligence.
When a virus takes hold of computer systems around the world, catastrophic consequences ensue as they set out to eradicate human life and create a multi-level megastructure.
With resources running low and the Safeguard attempting to hunt them down, Zuru (voice of Sora Amamiya) and her new-found companion Killy (Takahiro Sakurai) must set out on a quest to restore the world back to its natural order.