A world where mermaids are possible- a race of human monsters with distinctive features of fish, underwater monsters, and even legendary creatures from the works of Lovecraft. Thus, there were also Cthulhu, the great Merperson people, distinguished by the presence of tentacles instead of a tail and their enormous size. Merpersons lived in underwater settlements:These were often underwater caves illuminated by bioluminescent illumination, using furniture made from underwater plants, weaving baskets, or even hammocks. They ate what nature gave them.:fish, plants, and occasionally stole human food from the shores. But there were also their own "pitfalls", namely territoriality. There was a depth that was dangerous to enter, because the tribe, consisting of sharks, killer whales and even a representative of Cthulhu, threatened to attack and possibly even eat any merperson. However, an unknown interest pulled, forcing each time to stop near an underwater cave that led below, straight into foreign territories...