Alien Invasion: Great Wall Guards

In the first year of the universe, unknown aliens bordered Blue Star, and aliens began to invade Blue Star. Countries on Blue Star built the Great Wall and formed the Great Wall Guard Army to resist the alien invasion. Li Zilong joined the Great Wall Guard Army to protect the security of the country behind him. He started a fierce war with alien creatures on the Great Wall battlefield, and he vowed to fight back sooner or later. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.