Currently, Kamiyagawa has gained a relatively complete understanding of the world he is in now—
Firstly, the present world is formed by the fusion of various myths systems, which are derivations of the "Posa World."
Although the present world is a whole, the many mythology worlds "above it" are relatively independent.
Each mythology world was birthed from a chaotic divine chaos source.
The names and basic perceptions of the "divine chaos source" vary to certain degrees among different mythology systems. Some worlds may not even be aware of the existence of the "divine chaos source," while those who are conscious of it may call it "the dream of the ultimate Brahma" or "the World Tree," among others.
Overall, it is different systems of deities referring to the same thing.
Here, it is best to still call that external chaotic existence as the "divine chaos source."
