[Mecha + Mecha + Power Armor + Star + Captain + Commander]
The invaders came, and humans created an army of machines to fight them. However, the awakened machines, which did not want to eventually evolve infinitely, betrayed humans and expelled them from the earth.
On Callisto, hundreds of interstellar battleships, large and small, headed by the stellar-class mothership [Tiangong Yuqian], the last glory of mankind, pulled anchor and took off one after another. They are about to join the combined fleet on Phobos and use all their resources to launch the final battle to regain their homeland that has been lost for hundreds of years.