Science Fiction - Rebooting Doomsday on Earth

Affected by unknown factors, the solar system left the Milky Way and entered an unknown galaxy. Hundreds of years later, an alien race accidentally entered the solar system and the earth was discovered. The ensuing war is related to the survival of mankind. Humans who tried their best to repel the alien invaders finally repel the alien invaders, but human beings themselves also suffered heavy losses. However, a more cruel fact is in front of all human beings. The alien invaders who are not willing to fail announced the coordinates of the earth when they left. The three alien civilizations that first arrived in the solar system are deciding After trying to divide up the energy and resources, countless fleets headed for the earth. However, at this moment, "Doomsday" comes...