"Warning! S-class ghost area, keep strangers away!"
"No, this is the hidden BOSS room."
"That ghost king can devour souls!"
"Oh, it just stared at me, did it look down on me?"
…
When Li Zizai smashed the ghost king's core with a brick, a top secret was added to the files of the Exorcism Police Station: No. 001, A folk boss whose hobby is teaching physics to ghosts.
