Character introduction: Lin Xing: a great mathematician, recognized as the strongest mathematician. Then turned into a robot.
He Jun: Transformed himself into one of the robots and is a knowledgeable physicist.
Wang Wangcheng: served as general under Sima Jian
Chen Rui: Sima Jian's left and right arms were later transformed into robots.
Liu Chenxing: Zhou Renxue killed him and infiltrated him into the Sima Jian organization, responsible for providing intelligence to the earth.