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--
to do something as important 
as examine the Mononokean!
niemals eine so w-wichtige Aufgabe
wie die Überprüfung des Mononokean übertragen.
M. le Gouverneur n’en chargerait pas
ma petite personne !
algo tão importante como
examinar o Mononokean!