Before he died, my grandfather tattooed a picture on my back and said it was "something that no living person can see."
Twenty years later, an archaeological team unearthed a crystal coffin from the Xinjiang desert. The face of the female corpse in the coffin was exactly the same as the tattoo on my back.
She left a message: "I have been waiting for you for three thousand years to exchange blood."
From then on, I began to flee——- Deep in Kunlun there is a city made of living bones. The city is inhabited by people who are neither alive nor dead.
They said I was a "key" and a "sacrifice".
