Pig demon and female samurai

A youkai "Pig Demon" from the West. And the destruction of the Japanese country from [Pig Demon Disaster].
But at the same time, new powers from the West
allowed the people of the archipelago to defeat the Pig Demon King after a fierce battle.
It's been a long time since then ...
Shizuka Hiiragi, a samurai of the guards of Sasara Castle,
felt something suspicious about the recent increase in damage to pig demons.
Feeling the death of her subordinates and the blame for her victims, Shizuka Hiiragi decides to practice her.
What appeared that night was a pig demon general who had the wisdom to speak even human language.
Everything was the darkness of this pig demon general.
Shizuka Hiiragi is humiliated and seeded while screaming the name of her loved one after being defeated by a gap.
The swelling ambition of the pig demon general
swallows Shizuka Hiiragi, and even the land of Sasara ...!