Guilty Gear X

When humans created artificial beings named "gears" in the 22nd century, they didn't expect that their creation would eventually turn against them. Because gears had no will of their own and could only obey humans. Only one gear, named Justice, was able to transfer his will onto other gears and to rebel against the humans. In year 2180, Justice was killed as a result of a bloody tournament organized by the Sacred Order of Holy Knights. Yet recently, a new gear was discovered. He showed no signs of hostility, yet he had no master and was roaming about free. It was impossible to capture or to kill him because he was immensely strong. Fearing a new Justice would grow out of this gear, the Order organized yet another tournament, this time with a solid prize: five hundred thousand world dollars for the winner.