A yokai named Egen is scheduled to visit the mundane world.
Egen, who dreams of establishing a school in the Underworld, will be observing Abeno and Ashiya's high school for a limited time. Ashiya does his best to help Egen. However, Abeno's foul mood leaves Ashiya bewildered.
There's something bothering Abeno about Egen's visit, but Ashiya is completely unaware of what that is--
All that talk about establishing 
a school was a lie, too.
Und das mit der Gründung einer Schule
war auch erstunken und erlogen.
Lo de crear una escuela era mentira.
comme prétexte
à votre véritable mission.
Todo aquele papo de criar uma
escola era mentira também.