Doorman

A "door" stands in front of you, and opening it is an irreversible reality. Qin Luanle entered the door by mistake and fell into the abyss in an instant. He climbed out of the filth and trudged along the way, bumping into another version of himself. Is there an opportunity behind this strange door, or is it a prison that devours the self? Survive and survive, but the clone makes him go all out?