Mermaid hell by Circle Database - Adult Sex Game

The demons had come out of 1000 years of being downtrodden. They numbered 10,000 or more.
What the mermaids were headed for was the island where the beautiful mermaids lived...
There, a mother and her three mermaid daughters lived.
The mermaids were just prey. They were just prey for the demons to satiate their lust on.

Mermaids are fish from their waist down.
Humans call them mermaids.
However, mermaids have a crack in their crotch and they still have organs that can be used as genitals.
They have a good amount of meat on them, they all have firm breasts, thin waists and big arses.

It is because they are so beautiful that they get attacked by demons.