[Warning: This auxiliary volume severs as an explanation for all the differences in the world of the novel. The information will soon be revealed in the Norma volumes so technically this a spoiler for things to come.]

1. Places. 

★Shelters: Shelter's are places people of different religion and country live. It severs as a protective barrier between the outside world and all it's dangers. It can be easy or hard to get outside, depending on your status or job.

2. Jobs. 

★Gatherers: The lowest class of a job that anyone could get. It's the most dangerous and low paying the other two important jobs. A Gatherer is a person who is allowed to go outside and bring back useful materials from the outside to be used in a Shelter.

★Engineer: The middle class job. An Engineer is a person that fix's the tech equipment in the shelter, like the electricity and etc.

If you spot this story on Amazon, know that it has been stolen. Report the violation.

★Scientist: The highest class job an noble, privileged or genius person could get. It's the highest paying and most safe job of all of them. Scientist work an helping to bring the world back to normal, but later in the novel it was revealed that wasn't the case.

3. Monsters/Creatures/Hybrid/Entities.

★Akuma: An Akuma is an monster with plant property and characteristics. Most look like humanoid, while others looks like normal plants with a lot of differences. Their the most dangerous creatures towards humanity.

★Humaku: An Humaku is an hybrid between Humans and Akumas. They were created by the combined efforts of the 20 Gems.

★Core Tree: The Core Tree is an signal entity that came close the destroying the entire planet. The Core Tree is an gigantic tree creature that is has indestructible wood and leaves surrounding it's body. It's entire purpose was to grow giant roots to destroy the earths core.

★Spectors: Spectors are cosmic entities that have the power to increase the stats of their vessel. Their vessel is a human which they either hunt or help their vessel though their trauma or do both. 

4. Types of People.

★20 Gems: The 20 Gems as the name implies, consist of 20 people that seek to rule the world in there own way. They are the people that created the Humaku and some that contributed to the creatures of Akumas.

★Give Aways: Give Aways are a group of people. With some that contributed to development of the Akumas and the most of the others have the power of Spectors.

★Nobels: Nobels are people who use the tragedy of the Gatherers outside. 

★Vessels: A Vessel is a person has been calmed or possess by an Spector and has unusual about of stats. 

[Hopefully this helped you if your a fan of spoilers. More

information will be added soon.]