“At first, it was a ‘scratch scratch’ noise, like that of a fingernail scraping against metal. Later on, the voice became extremely strange and terrifying, and hard to describe with words. Right, it was a bit like the sound of that waterphone instrument the merchants from the west brought and played at the manor.”

Zu An was a bit surprised when he saw that. He hadn’t expected this world to actually have a waterphone. Most of the terrifying sounds from the horror movies of his previous world had been made using a waterphone.

“I heard from my colleagues that whenever that strange noise went through the mines, a companion would go missing. Not even their corpse could be found…

“I suspect that the sounds are made by a certain monster.

“Also, the black fog is probably left behind when that monster moves around.

“I am really scared… but as the Yu clan’s guard, I have to remember my clan’s glory. I cannot bring shame to my uniform…

“I cannot let anything happen...