Start with the Sound of a Chainsaw Coming from Next Door

It all started with the sound of a chainsaw... "What happened to the people around me? Why do they all want to kill me?" Nightmares, car accidents, chases... When I was surrounded by a group of men in black, I really thought I was dead, but... An organization saved me, and I thought everything would return to normal soon! "Boy! You have only one choice now, either join us! Or die like this!" Chen Feng joined this organization in a daze and started a self-rescue operation! "What's going on here? Where did the world go?"