She was originally a wealthy woman, but she became a magical creature with an eternal servitude contract imposed on her. She is now a living girl doll, born servile, with a soul that is more transparent than humans. Later, she began to transcend the desire to "be loved" and take the initiative to understand and protect, which marked that she had independent judgment and compassion. Loyalty to the bond and ardent pursuit of life burn in the heart. She writes her own epic legend in a vast and cruel world. ; He is a dragon-born prince living in the world without knowing it. He is parasitized by demon blood. He has a kind nature, but the darkness that swallows his inner demon surges in his body, and he is about to become the slave of the blood demon...
The identities of the two are complicated and mysterious, but the love they develop is splendid. In order to change their fate against the will of heaven, the two are forced to form a rebellious life-and-death blood contract.