Outside World.
The order in the world stabilized for several hours after the Secret Realm erupted—then, like a hurricane that suddenly lifted from flat ground.
The great exodus had begun.
The catalyst was the news of the Secret Realm's rapid expansion spreading unchecked; realistically, keeping such a global catastrophe secret was an impossible task.
And those near the Secret Realm certainly would not sit idly by—some conservative groups flocked to air-raid shelters and underground parking garages, but many more followed the rumors and blindly fled towards a so-called safe direction away from the Secret Realm.
Before long, someone scraped data on various Secret Realms and had AIs simulate the expanding Secret Realms into a series of "poison zones" expanding. As this visual representation became public, a global Secret Realm "battle royale" commenced.