The emergence of HVPP liquid in ancient times caused most demons, Greeks, and humans to be infected. Their symptoms would cause them to lose their self-awareness and differentiate into hierarchies. The infected were collectively called monsters. The emergence of monsters brought considerable harm to society, so the prison-level CK11 organization appeared. Prison-level CK11 organizations are all over the world, but not everyone knows that they are in darkness.
Purpose: Enjoy the present world and the future