[Supernatural] Cause Must Bear Fruit

In the city, there is a group of people who believe in the seemingly nonsensical theory of "natural causes must result." Every night, when people fall asleep, they wake up. They shuttled through the dark rivers of the city all night long, searching for the inevitable cause and effect in the world. However, among this group of people, there is an anomaly. He doesn't dream... But there are always people coming to the door.