It's Time to Take the College Entrance Examination and You Told Me That the End Is Coming.

When Lin Cheng, a key high school student in the city, was preparing for the college entrance examination, the earth was swept by a mysterious energy wave from the universe. The global power system was paralyzed, all electronic equipment was destroyed, and the virus mutated. Once infected, there is almost no cure, and even if it survives, there is a probability of turning into a zombie; bacterial activity surged, and food spoiled rapidly. The arrival of the energy wave also awakened the potential of the human body. Some lucky people gained powers beyond ordinary people. Lin Cheng traveled back to the time before the apocalypse ten years after the apocalypse...