I Became an Alien!

When he woke up, Ye Han found out that he had killed an alien, or was he an alien spy disguised as a human and lurking on the earth? What do I do? Should we side with the aliens or save humanity? In the end, since Ye Han decisively chose to use alien civilization to arm himself, he chose to protect himself. How can we protect the earth if we cannot protect ourselves? When one day, alien invasion comes, humanity is in despair. A mysterious army emerged from the sky, standing across the sky with a dazzling appearance. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.