Irregular forbidden area

Forbidden areas suddenly appeared in different areas people in the forbidden area have nowhere to escape because of the sudden crisis. Some people have become part of the forbidden area - Guards, and the surviving people have become capable people this is a trial. Through the trial, people can gain the power to reshape the world. The capable people formed a team and set out for the forbidden area to the hopeless depths of the forbidden area teenagers who want to make the world the same go to the forbidden area to gain the power to reshape the world.