As everyone knows, private bathrooms are always much cleaner than public restrooms. At the end of the Primeval Era, when the Ancient Gods were wreaking havoc, the Civilization of Paradise was one of the very few that had never encountered an Ancient God or been invaded by one.
Because of this, the Civilization of Paradise developed to an extremely high level of civilization by the end of the Primeval Era. At the same time, the Ancient Gods finally discovered this world that had been quietly developing, and like people scrambling for a spot in a restroom, they rushed in freefall through the atmosphere of the world, thereby formally initiating a war with the Civilization of Paradise.
Seeing the God of Roar's face filled with sadness and indignation, the God of Narration spoke, "Doesn't this once again indirectly confirm that matter... your civilization did very well without you."
