Doomsday Valkyrie

Who would have thought that one day, the biohazard in the movie would happen all over the world and cities would be in ruins. A high school senior who was supposed to die an ordinary death survived because of a strange encounter. In order to survive in the apocalypse, he was forced to become stronger step by step. Martial arts masters, superpowers, vampires, robots, and aliens are coming one after another. How should he choose in the face of all these? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.