Don't Be Afraid, Fellows, This Is Called Search, Strike, and Retreat.

After Hui Ling woke up, he found himself in a closed room. If you want to survive, you must seize every opportunity to go out regularly. Collect enough supplies, return to the base, change into weapons, and wait for the next action. Form a team and expand your base. From fighting around with a pistol, to later opening the gate of heaven with a sword. He travels between different worlds. Gradually, he heard some sounds. "Aren't we a search and rescue team? What the hell is the Legion of Doom?"