Aokishi: Tetsuwan Atom Aokishi yori

In the future, robotics will greatly help humans get rid of the most tedious tasks. But as the technology evolves and more robots are themselves aware of their condition, it does not take long until they rebel against their creators. A war breaks out. But in the midst of this conflict, there Tobio, a young boy who is fed up with the situation--and then one day he discovers that he himself is a robot.