C4503 The Origin of the Peaceful Cohabitation Between Man and Demons

"I'm here to ask if you have any blood for sale?" The beauty said gravely.

"Selling blood? "What's going on?" Ning Caichen was surprised?

Even the little beauty and Shan'er had faces full of suspicion?

The beauty immediately explained.

In the Immortal Purgatory Realm, humans and Jian Devil could coexist, but Jian Devil was especially friendly to humans.

Every year