Since ancient times, there has been an organization researching and studying the Anomaly World. It was called the Anomaly Researchers Association, led by three factions: the government, human protectors, and scientists. For years, this organization operated in secrecy, its existence kept hidden from the world.
During the Middle Ages, the organization began to collapse due to disagreements among the three factions, eventually splitting into three separate factions or organizations.
The scientists established the Anomaly Foundation, or the Investigator Foundation, which is the most complex organization compared to the others. Next is the Government, composed of investors, wealthy individuals, and world governments. This organization excels in economic and financial aspects compared to the others. Lastly, there is the Human Guards, typically made up of heroes—special military personnel from various worlds and individuals with advanced martial arts skills. This organization acts as a mediator between the Anomaly Foundation and the Government.
Each organization has its own vision and mission. The Anomaly Foundation aims to study, research, and secure anomalies to prevent them from escaping their world. The Government, on the other hand, seeks to use anomalies as weapons of mass destruction and to subjugate citizens under their control. Meanwhile, the Human Guards strive to protect humanity from the threats posed by anomalies and the increasingly corrupt and inhumane Government.
Each organization has its strengths and weaknesses. The Investigator Foundation excels in both knowledge and financial resources related to the Anomaly World. The Government has the advantage of wealth and resources but lacks scientists and knowledge about the Anomaly World. The Human Guards possess scientific expertise and knowledge of the Anomaly World but lack investors and funding to mobilize their organization effectively.
From various cases and issues, the Anomaly Foundation maintains a neutral stance, sometimes becoming defensive when attacked. The Government is aggressive and power-hungry, often seen as the primary antagonist. The Human Guards, focused on defense and saving humanity, can be considered the main protagonists.
In one case during the Middle Ages, the Government attacked the Anomaly Foundation by provoking several Hard Class anomalies, causing chaos within the Investigator Foundation. This forced the agents to become defensive and calm the rampaging anomalies. The Government also brought Normal Class anomalies from the Anomaly World or Level Space into the Real World, causing widespread riots and massacres. However, they always operated behind the scenes to avoid the consequences, forcing the Human Guards to eliminate the anomalies and save humanity.
Unlike the Government, the Human Guards and the Investigator Foundation occasionally collaborate to rescue survivors trapped in Level Space. The relationship between the Anomaly Foundation and the Human Guards is more cordial and mutually supportive, though they do not fully trust each other. Sometimes they work together, and other times they act as strangers.
When they do collaborate, many cases are resolved quickly, such as survivors trapped in the Death Zone or those encountering Extreme Class anomalies.
This suggests that the Anomaly World has existed since ancient times—or perhaps even before the creation of the world itself. However, the truth behind this remains unknown.
For millions of years, the existence of the Anomaly World has been concealed. Will the world ever learn about the existence of this seemingly impossible realm? Will they accept it? Or will they be terrified to discover that what they thought were mere myths and legends are, in fact, real?