The earth's old era was buried in ruins, and humans planted civilization in orbit, on Mars and on the lunar soil.
In four thousand years of interstellar war, the Earth and Uranus have repeatedly clashed in the dark sea of stars.
Until an extraterrestrial asteroid hangs over Uranus, war and destruction are faced by both civilizations at the same time.
Intelligence analysis warships roared, and alien life forms gradually awakened.
They made a promise in the gap between gunfire.
Purpose: The earth is the home for human beings to survive
