This is an OCs (Original Character) commission by Adam Spielmann.
The blu hair girl is Erin, created in laboratory to be the first of "mass produced slaves" for rich people. She escaped and some years after she comes back to kill her creators and free her "sisters", the models created after her run. The girl with azure hair is Alba, the first of her Sister she free. The commission take place after she freed Alba and killed one of her creators.
This will be the first of a series of commission!
Enjoy!