Doomsday Restart: the Arrival of Mechas

The extraterrestrial celestial body came to the solar system carrying the fire of civilization, detected the existence of intelligent life on the blue star, and requested the continuation of civilization. While releasing the fire, it also released the virus. As the oldest civilization on Blue Star, the Dragon Kingdom, after discovering that extraterrestrial objects broke into the solar system, prepared to use technological power to try to change its trajectory. The key to carrying out the mission was mechas - mechas came into being.