"There have been cases of humans being allowed in before, but accepting this many humans is surely too reckless, Your Majesty! And that outfit you're wearing is... Wait, Your Highness the Queen, are you going to... You can't!"
An elderly demon mage recounts memories from centuries ago to the young heirs of the demon realm.
"Can we really coexist with humans in this world?" a young demon asks his teacher. "A group of new human students will arrive here tomorrow, right?"
"Humans learn the rules of this world very quickly. In a few hundred years... they may be just like us!"
"Then all the blame will fall on the people who brought humans into this world: the residents of the present-day Netherworld."
