The prophecy of the horned girl is a Self-Fulfilling Prophecy for humanity.
- Nayuta seems to be a Creepy Child with some Troubling Unchildlike Behavior, but otherwise tends to leave people alone unless they interfere with her or her brother. Ironically, by trying to kill Nayuta and stop the apocalypse, humanity will probably unintentionally move up the due date by pushing her buttons. If they kill her brother, Nayuta's Morality Chain, she will at that point enact the prophecy, having nothing else to live for.
