Doctor Black King Who Travels Through All Realms

When the military doctor Li Yan died of exhaustion while fighting on the operating table, the "God of Nightmares", the creator of the nightmare world, gave him a chance to survive again. Watch him travel through various planes, obtain plane crystals for the Nightmare God, and then become a lot of henchmen. The first world: Ultraman Tiga's world The second world is the world of fake beheading of the red pupil The third world protagonist's wish is about to be fulfilled