Start Being Steady After the Trick Door

[Small copy][No system][Not invincible][Micro thriller] Entering the black door... Walking out of the black door... Lin Mu, who was supposed to die at the scene of the car accident, resurrected in this world on the verge of death, but he had very little life left that was stolen from him. In order to survive, he had to keep entering the black door of copper and iron to take back his future! Behind the door is one hell after another, and the stories inside are bloody and cruel.