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Zhao Yan traveled to another world and became a "necromancer." A year later, Zhao Yan returned to the city, only to find that he had become an alien.

A year ago, Zhao Yan inexplicably traveled to another world and became a "Necromancer" by coincidence. Dancing with corpses? That was a common occurrence. A year later, Zhao Yan returned to the city, only to find that he had become an alien in this world. The sun is still bright and the night is still deep. There are rows of high-rise buildings and a constant flow of vehicles. But Zhao Yan discovered that there are so many unseen figures around you and me...