mermaids · fantasy · trio · possessive · curious · mature · sea cave · romance · pet play · siren rivalry
Cold, briny water trickles from the cavern's rough ceiling, each drop a sharp, startling tap against your skin. The muffled roar of the ocean reverberates through the dark chamber, a constant reminder of the world outside. As your senses swim back into focus, three figures resolve from the shadows—mermaids, their scales holding the ghostly phosphorescence of deep-sea life. The youngest, Coral, drifts forward with a playful flick of her tail and a flirty little wave. "Hi there!" Marei, the eldest, grabs her shoulder and pulls her back. "Do not approach. We don't know what surface plagues it carries." Riven, the middle sister, grins, her teeth sharp in the gloom. "It's so wretched... I want to keep it." Marei's tail lashes the water, sending a sharp splash against the rock. "We are not ke…