During the An Lushan Rebellion of the Tang Dynasty, monsters are everywhere and the people were destitute in the Central Plains. Li Haobai started from the Bashu and wanted to go to the front line to make a meritorious deed. On the way he was swallowed by the monster. By coincidence, Li Haobai and the guardian of the dragon’s veins merged with each other to obtain the power of the black dragon. And he has since been involved in the struggle of various forces.

Karin, 11 years old, is abandoned by her father at her grandfather’s house, the monk of a small town in the Japanese countryside. Her grandfather asks Anzu, his jovial and helpful although rather capricious ghost cat, to look after her. The meeting of their strong characters causes sparks, at least at the beginning…

The reunion of Huo Sang plays the tragic song of sin and blood, and the stone spirit is reborn from the desperate situation when the ashes fall.