"The Beginning of Light Years Part 3: The Key to Dimension - Finale"
In AD 2875, humans from the Nine-Dimensional Galaxy drove ships to the Star Sea to expand and explore, but were unexpectedly checked and balanced by the Eleven-Dimensional Civilization, which was a vassal of the Fifteen-Dimension. There is a huge gap in the combat power between the two sides. The nine-dimensional galactic humans were crushed and the whole front was defeated and retreated to the galaxy. The remaining human beings in the nine-dimensional galaxy are forced to face the crisis of destruction. How can they integrate their remaining forces to fight against higher-order civilizations? What kind of ups and downs adventures and choices will be born in a desperate situation? All the answers are waiting to be revealed.
Mission: Humanity will never surrender in desperate situations, rely on unity and courage to fight against unknown and powerful enemies, and hold on to the hope of civilization's survival.