I Just Became Emperor and Aliens Invaded?

Lin Tian traveled to a parallel world. As soon as he ascended the throne as emperor, aliens began to invade the earth. In less than two years, they colonized 60% of the countries in the world, and only 40% of the countries were still surviving. Learning from the barbarians and gaining skills to control them, Lin Tian awakened the alien technology and led the Tianlong Empire to start a defensive and counterattack. A year later, other countries were chased and attacked by aliens, and Lin Tian's country was chased and attacked by aliens. Flying mechas, drones, terrorist robots, heavy laser cannons, spaceships, aerospace aircraft carriers, space fortresses... The technology of the Draco Empire crushes the alien invaders. Baixiang Kingdom: The country is going to perish. Let's cede the land and ask for the protection of the Tianlong Empire! Little Japan: Burn the shrine immediately and ask for help! Mao Xiong: Take us in! I can't stand it anymore! Yingjiang: Lin Tian, ​​please annex! Lin Tian: The alien lair has been destroyed, but you can't even catch the fish that slipped through the net? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.