Story
A few years ago, the northernmost country of Vilato
It is destroyed by the surprise attack of the demons who appeared suddenly.
It is not possible to stop the progress of demons,
At last, it was about to destroy it to Rounstea at the southernmost point.
Humans were in the castle which was thought to be the strongest.
From fear and stress of demons and death?
The girls were being used as an outlet for men’s sexual desire.