One of the most popular idols in the netherworld, Kuromu-chan, holds an all-day concert at the Makubari Dome. Dem-dols have the important job of helping demons release the stress and evil desires they feel during their Evil Cycle. Kuromu was considered a shining new star in the field, and her tickets would usually sell out in one day. But she actually had a secret that she couldn’t tell anyone... Iruma just happened to be lucky enough to get tickets for her concert and takes Asmodeus and Clara with him!
Demons have a stress period in which they 
want to do violent or sadistic things.
يمرّ الشياطين بفترة متوتّرة حيث 
.يريدون القيام بأشياء عنيفة أو سادية
Dämonen haben einen Zyklus mit Hochphasen
der Gewalt sowie des Sadismus.
Tenemos un ciclo de estrés en el que
pensamos en violencia y crueldad.
Tenemos un ciclo de estrés en el que
pensamos en violencia y crueldad.
I demoni vivono un periodo di tensione
durante il quale voglio fare azioni violente o sadiche.
Tomar o mal
У каждого демона бывает период, когда
в нём просыпается садизм и жестокость.