Greg Pak 
Lawful #2 [PDF ebook] 

In Sung’s world, the more you break the rules, the more you turn into a literal monster-and monsters get exiled. To protect the safety and status of his ailing mother, Sung has followed the rules so closely that he’s now an honored clerk in the Office of the Champion. But Sung discovers something that will change his perception of the system and right and wrong forever and there s no going back!