Ch3- Belle, Isla, and the shark mermaid

The cave was secluded and quiet, with a beautiful view of the sunset and gentle waves rolling in. It was perfect for secret rendezvous with a certain mermaid, who lay in the shallow water and let it flow over her, dark green hair fluttering in the waves as she hummed and sighed, fingers teasing the slit in her tail as she waited for her human. Isla waded through the water, grinning when she saw Belle already so horny and waiting for her.

"Are those new clothes?" Belle breathed as she peered out of the water, hungrily eyeing Isla's red string bikini that left barely anything to the imagination.

Isla smiled as she sunk into the water next to Belle, hand already sliding up her tail to replace her fingers in the mermaid's slit. The mermaid whined and Isla leaned in to kiss her, loving and soft as she teased her fingers around the edges. "It's called a bikini, and yes, I bought it just for you," she murmured against her lips, slowly sinking a finger inside her and grinning as Belle let out a shaky moan.

It was so fucking sexy to be able to play with Belle, a mermaid in constant heat because she preferred the touch of humans to her own kind. Her best friend, the hottest girl she had ever seen, desperate for her to make her scream every day... Isla couldn't think of anything better to occupy her days. Belle was squirming and begging her for more, and Isla added another finger, slowly thrusting inside the cool, slick hole, trailing her kisses down the mermaid's neck and teasing the tip of her tongue along the gills that fluttered as Belle gasped for breath.

As she fingered her faster, pressing deep inside in a way that made Belle's tail tremble, she kissed her way down Belle's chest and took a nipple into her mouth, sucking lightly. The mermaid yelped, thrusting her hips against Isla's hand, her tentacle cock emerging and attempting to wrap itself around the girl's wrist. Isla just continued pleasuring her, teasing the nipple with her teeth and thrusting her fingers until Belle cried out and buried her face in her neck, gasping and groaning as a shiver ran through her body.

"So, how's life under the sea today? Is mating season over yet?" Isla hummed, idly stroking the iridescent scales of Belles tail as …