[Apocalypse Crossover] The Most Cowardly Tough-as-Nails Warrior in History

One day, Lin Yun suddenly transmigrated into a Predator. And, for the coming-of-age ceremony, he had to return to Earth with his "brothers," kill Xenomorphs, and bring back the glory that was his due. But... what was going on with this Earth? Weren't the Xenomorphs supposed to be confined to a certain place? Why were they all over the entire planet now???