Dragon Falling into Darkness

[Science Fiction + Disaster + Interstellar + Reversal] In 2100 AD, alien species from outer space suddenly landed on the earth carrying unknown viruses. All organic creatures faced the risk of being infected by the virus or even being wiped out. The purpose of the alien species was to wipe out all organic creatures on the earth, including humans, and then occupy the earth and transform it into a planet suitable for alien races to survive. The earth is at stake! We must not let alien species take away our home that we depend on for survival! Human beings all over the world have united as never before, and a battle to defend the earth is about to begin. In times of crisis, the protagonist Xu Qianfei, who was previously a loser, grew up overnight, became a savior, and began to save mankind from water and fire!