Humans rejected that “irrationality,"In a way, we can say the Great Border of Hakurei is created with magic from the outside worldVisions of the future, or paths to another world that appear in itAnd that rejection came from fear.Humans from outside described everything with the spell of scienceFor example, it is considered “rational” that “dreams” are a process of managing memories during REM sleep.That is something left from the time when humans were frightened of the Gods and Spiritsare deemed “irrational” and considered non-existentYes.But some day, that fear will also become forgottenI don’t really understand, but…
Does that means Gensoukyou’s border is made utilizing that border between “rational” and “irrational” ?