After the year 3000, the Aether Phase Engine of the United Nations of Humanity among the stars was nearing completion. Before it could be activated, the New World faction, led by Cao Xuan, decided to set out for Gombunia. Loaded with vast amounts of resources, they finally departed. They passed through a black hole, and a new world appeared before their eyes. They had arrived on one of the branches of the Imaginary Tree.