Legend of the Gu Demon

Gu is the essence of heaven and earth, and humans are the spirits of all things.
Is the protagonist bound to be a person of great luck and a role model of morality?
No, no, no.
The protagonist can also be a heinous criminal who is only interested in profit.
After three lives and thousands of years of experience, Gu Yue Ningchen
What kind of situation can he stir up in this Gu world?
Fang Yuan and Ningchen, Tianmo and Laomo
What kind of sparks will collide with each other?