The Spell of Reticence Is Having Fun with English Conversation: The girls play a "speaking English" game hosted by Keimie and a mess-up has them drinking the bad-tasting Natto drink.
The Crisis Spell Is the Other Side of Goodbye: The girls see Super Doctor K-Ko on a TV show revolving on the theory of horror movie monsters existing amongst the human race. When the co-host of the TV show ends up discovering the girl's secret thanks to footage used by Super Doctor K-Ko, it is then made public. The girls experience fame up to the point where they end up on a discussion show against Super Doctor K-Ko in the discussion if monsters from the Netherworld are dangerous.