in a world full of robots,there is a new virus bug call the (semittance) these things will change some parts of the robot like,sharp claws or spikes on hand,side of the head or back,a long metallic and flexible tail that can sometimes be a weapon (or works as another hand) and change of color (commonly red,white,purple or green),the bug can also change the mindset of the robots making them more hostile to and make a group that attack other robots or infect them,and now a war is starting