Fighting Monsters and Monsters

The monster screams: "The power of human beings is declining and they are no longer adaptable to the laws of survival of the universe. It is necessary to cancel their living space in various airspaces, demote them from the level of intelligent creatures, and classify them as low-level mammals for us to enslave and entertain." All races from all over the world rush towards the earth. Who can save mankind? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.