The mastermind behind this started by creating a strange story

Reborn in Tokyo, Japan, creating ghost stories from scratch.
Legends of vampires circulate in the city, fishermen keep silent about sirens, and archaeologists are excited about the traces of the existence of dragons.
Extraordinary people appear one after another, the dark night of the Night Parade of a Hundred Demons arrives, and all the extraordinary phenomena in the world originate from the arrival of that person.
"The ordinary world is extremely monotonous. I just added some spice to it." Shen Kong said silently as he looked at the world that he had ruined.