in the far future the world is ruled by robots and cyborgs. to exterminate humans they have blown up almost every city so humans will have nowhere to hide. some humans use a chemical drug that make their bodies more resistant to damage so they can survive the bombs. it wont help them if they get crushed under a car but it will stop the body from taking any shockwave damage. but even this drug have a side-effect and that effect is turning parts of the body light blue, and wounds caused before taking the drug will never heal. this is one of the survivors using that drug. hide in daylight and loot for food at night in the ruins of the cities.