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--
you divide your time to study a 
variety of subjects in a single day.
teilt ihr eure Zeit ein,
um diverse Fächer an einem Tag zu lernen.
sino que dividen el tiempo
en distintas materias.
mais chaque journée est consacrée
à plusieurs disciplines.
vocês dividem seu tempo para estudar
vários assuntos em um mesmo dia.