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--
I'll admit accidentally speaking 
to Egen-san was a mistake,
Zugegeben, Egen-san versehentlich
anzusprechen, war dumm von mir,
No debí hablarle a Egen-san
sin pensarlo,
OK, j’ai gaffé
en adressant la parole à Egen,
Admito que falar com a Egen-san
sem querer foi um erro,