According to statistics, there are 8 million missing people every year.
Under the bright shadow of the city, what is unspeakable and strange.
A strange secret realm has arrived, and the people walking in the secret realm quietly appear.
They who wander in the secret realm are respected as mystical masters.
Mystics have professions.
Chinese Taoist priests, poets, spiritual masters...
The ninjas, onmyojis, demons of Neon Kingdom...
Western exorcists, magicians, demons...
…
"Hey, have you heard? The country has established a covert agency."
"What institution?"
"Idiot, if I knew, why would I call it a covert agency?"
"Then what does this organization do?"
"Idiot, if I knew, why would I call it a covert agency?"
