The female protagonist is Shan Zili and the male protagonist is Jiang Cheng.
It tells the story of Shan Zili who was tortured by Jiang Cheng and insulted God because of watching "The Devil's Way". In the end, he successfully inspired the system to travel through the book, shared weal and woe with Jiang Cheng, and helped Jiang Cheng get out of singlehood.
Note:
This article is based on "The Patriarch of the Demonic Way", but! The interaction between the male and female protagonists is original. Please do not compare it with "The Devil", as the plot will be partially changed!
Original original original original! Don't plagiarize!