With the continuous exploration of the universe, more and more civilizations and races begin to contact with human beings. In 5040, the anjiros launched a surprise attack on humans.

Although human beings finally resisted the attack of the ankero, a large number of planets fell. Zhu Zhixin, who was once the leader of a resistance organization, was captured by the ankero people and sent to kuerka to become a slave miner.

The tragic experience of human slaves inspired Zhu Zhixin's anger and revenge. At last, under Zhu Zhixin's leadership, the slaves fought back and opened up a land of human freedom in the occupied area of the anjiro people.