At night, the moonlight lays like mercury, and the silvery curtain slowly pours down the window of the room on the table.

Danxuan sat up at his desk, his hands behind his head, his whole body leaning lazily on the back of his chair, his eyes fixed on a yellow book on the desk, and his deep eyes leaked a little confusion...

The yellow books on the desk look very old and shabby, and the yellow and slightly black-spotted cover says the words "flame recipe". This is Danxuan's "grandpa" Danqing who secretly stuffed Danxuan, saying that this "flame recipe" is one of the top two high-level skills in the family....