Ashiya's friends Saga and Fushimi invite Ashiy and Abeno on the photography club's overnight trip.
Since the incident with the Executive, Ashiya has been able to detect yokai at a distance.
However, he still hasn't mastered that skill, so Abeno uses the overnight trip to develop Ashiya's detection ability.
Yahiko is invited along to help, but a prank he pulls on Ashiya draws out another one of his latent powers--!
Will this be a training camp 
with the coach from Hell?
Wird das ein Trainingslager
mit dem Dämonenkönig?
¿Será un campamento
de entrenamiento espartano?
En fait… j’ai l’impression
d’aller au service militaire.
Isso será um acampamento de
treinamento com o instrutor demoníaco?