C134 A Heartless Thing
The Hornless Dragon Gu, a type of Gu that relies on parasitization in the human body. They can control the human body and control the actions of the human body.
The Gu that resided in the human body was under the command of the mother Gu, while the mother Gu was under the command of its master.
The owner usually relied on the sound of the flute to convey the orders