As the Exam Approaches, I'm so Angry

"Let me guess, my health value is 2.0, I am qualified to apply for the exam!" "My health value is 5.0, I am recommended to be sent to Peking University Martial Arts Academy!" "My health value is 6.0, Tsinghua Martial Arts Academy is waving to me..." … "Ding, the host's health value is 10000.0. Tsinghua Martial Arts Academy and Peking University Martial Arts Academy are fighting. How to choose?" "Let them play while they're at it!" Time and space turbulence, alien invasion, space overlap... One hundred years later, the number of humans dropped sharply, leaving only one-twentieth of the original number. As for the alien races, those demons, ghosts, evil spirits, the descendants of evil ghosts and evil beasts, and ferocious beasts that only exist in legends have become the masters of the world, and their numbers have increased exponentially... Humans can only hide within a giant steel wall of 100 meters! It may become alien food at any time... At this time, Qin Feng came with the system, and his health value was tens of thousands. He accidentally became invincible, and the alien army of millions was wiped out with a wave of his hand... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.