Hundred Monsters

The story I am about to tell below is about the death of a man. Oh, no, it's the death of a demon. I died at the beginning of the story! But I am not the protagonist of the story. It is the end of Shang Dynasty and the beginning of Zhou Dynasty. I have long become a lonely soul. Unable to return to the underworld, I followed my master and watched what he did. Concept: all kinds of monsters, the human heart that cannot be seen through