Introduction
Blacky is a dog spirit that is good at hiding in the shadows and transforming into a human. He is cheerful and friendly but likes to play tricks on people.
He used to suddenly jumped out of the road at night and then disappeared again to scare the passengers. After Lingyu solved the strange phenomenon, he became Lingyu's assistant and lived in the detective agency. His unique ability is transforming into a human, from a young boy to an old man. People call him "Blacky" instead of his name, and he likes the nickname.