Manga-adaptions of novels tend to omit many background infomation so it can be hard to understand the story.
For those who started reading the manga and are further interested in the story, here are the links:
Chapter 0 - 23 (English)
https://bluesilvertranslations.wordpress.com/law-of-the-devil-2/
Chapter 24 - 157+ (English, ongoing)
Original raws, chapter 0 - 668 (Chinese, completed)
http://www.bestory.com/book/book98546.html
Edited by Eviltwin, 17 April 2016 - 03:15 PM.