Lu Chen is reborn after returning from a hell ten years in the future.
He was once a colonel in the human alliance army, but could only watch his homeland reduced to a wasteland beneath the guns of colossal starships.
When he opens his eyes again, he finds himself back in the college entrance exam hall, with a full ten years left before alien civilization arrives!
At the same time, the Civilization Guardian System activates.
But this time, his goal is no longer mere survival. He will make all of Huaxia, no, this entire planet, a graveyard for the invaders!
…
