Ceto the Halisaurus
Adam meets up with an aquatic girl who shows him a fun time.
Apologies for the shorter length of this one lol.
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Adam smiled as he sat down on the edge of a partially submerged dock overlooking a pool of saltwater, twice the size of an Olympic swimming pool, eager to meet his next dinosaurian dam. Well, technically Ceto wasn't a dinosaur, but a marine reptile called Halisaurus arambourgi, a species of mosasaur around the size of a bottlenose dolphin. Clad in an aquatic version of his white bodysuit uniform, he wondered what was taking her so long to make herself known. Was she shy or something? He fiddled around with the rebreather he was given, small enough to fit neatly around his mouth and nose.
And just as Adam was “ambushed" by Ginavir before, he was suddenly yanked from the dock and plunged beneath the surface. His eyes wide and cheeks bulging with air, he came face to face with a long, scaly snout, lips curled into a cute smile. Bright blue eyes stood out from the black dorsal half of a long body designed for the seas, which contrasted with a white ventral half. Four continuously moving flippers and a long vertical fluke-tipped tail kept her afloat in an underwater version of a hover. Adam reasoned this must've been Ceto, as who else could it have been? She gave him a lick on the nose with a forked tongue before pushing him back up to the surface and onto the dock.
“So you're this 'Adam' Ginavir told us so much about," said Ceto in a clear voice, her head sticking above the water. “You're even more handsome than I thought you'd be."
“Thank you, Ceto," said Adam with a smile as he stroked the Halisaur's snout, causing her to let out a series of happy dolphin-like clicks. He wondered if they were similar in any more ways than size. “So are you ready to get started?" he asked. The Halisaurus looked him up and down with those bright eyes of hers, as if sizing him up.
“Not yet," she said. “I think we could maybe swim or play together a bit. Care to come in?"
“Sure." said Adam before lowering himself into the water and putting on his rebreather.
“I'm thinking maybe you could ride on my back, then a game of some sort, then maybe we could start exploring each other's bodies. I'm very curious as to how yours works, Adam," said Ceto seductively as she turned her back to Adam. “Now put your arms around me and hang on."
“Just be sure to keep it close to the surface, alright?" said Adam uneasily. “I don't do well in deep water."
“You got it." said Ceto with a mischievous gleam in her eye. She rocketed forward with great speed as she lashed her tail and fins rapidly, causing Adam to gasp as he gripped tighter.
“Too fast!" shouted Adam.
“It's alright, I'll go a bit slower," said Ceto as she slowed down slightly, moving at a moderate pace. “Sorry for scaring you like that. You want me to head closer to the dock?"
“It's fine, keep going," said Adam, appreciating how she took his unease into consideration. “Thank you." And so they went for a swim for a little bit, the two of them enjoying how close they were to each other. Ceto even performed some underwater acrobatics, such as loops and vertical dives and ascensions, with Adam's permission. And truth be told, Adam really enjoyed it. Hell, he even thought it helped him get over his unease regarding deep water.
“Marco!" called Ceto, her eyes closed and head above water.
“Polo!" called Adam's voice from somewhere over to her left. Ceto smiled and swam carefully towards it. She was quite enjoying this new game he'd told her about. Adam, resting his elbows back on the dock and his rebreather set to the side, in turn loved her chipper personality and inquisitive nature. Turns out she was a lot like a dolphin in more than size after all.
“Marco!" called Ceto again.
“Polo!" came Adam's voice, closer this time. He'd decided he'd let her win, both because the game was new to her and because it could easily lead to a game of the more intimate kind. Ceto got closer and closer still until the tip of her nose touched the human's chest, at which point she opened her eyes to see a smiling Adam.
“Found you," said Ceto sweetly before licking his nose. “Now what say we get to the really fun part?"
“You really like your fun, don't you?" asked Adam with a smile as he rubbed underneath her chin.
“I do indeed," purred Ceto, nuzzling his chest. “You think you could strip so we can… explore each other more closely?"
“Sure thing." said Adam as he unzipped the suit, feeling a bit uncomfortable at first thanks to the cold water, but soon getting used to it.
Ceto submerged, and not a moment later Adam smiled as he felt the tip of her snout prod his penis, already semi-erect in anticipation of being with this adorable Halisaur. He closed his eyes and tilted his head back as he focused on the feeling of her forked tongue gently licking his cock to full hardness. She stopped her licking and resurfaced with a smile, her eyes half-lidded with growing arousal.
“A fair specimen we have here." she said.
“I'm your only specimen, silly," said Adam with a chuckle. “I have an idea."
“Lay it on me."
“I'm sure Ginavir told you all how I ate her out?"
“I like where this is going." said Ceto with a grin.
“Can you go up on the dock and turn over on your back?"
With some effort and some help by Adam, Ceto managed to climb up onto the dock, flipping over on her back once she did so. Adam stared at her puffy cloaca lips between her hind fins. He reasoned the scientists had induced an artificial heat in her, and figured that would be the case for all of them. He also asked himself why non-mammalian creatures would even have heat cycles, but decided not to question it any further. He took a tentative lick at her lower lips, earning clicks of pleasure from the Halisaur.
“Holy shit," panted Ceto. “Ginavir wasn't kidding when she said you were good at that."
Adam smiled as he used his fingers to spread her cloaca wider, granting him deeper access to its soaking depths. Due to her smaller size, Adam was able to push his tongue further into her compared to Ginavir. His tongue rubbed against her inner walls, her juices flowing continuously. Ceto moaned and clicked, her body squirming lightly and splashing water into Adam's face. Adam sped up his licks as Ceto's eyes widened in a jolt of pleasure.
“Wait! Stop, stop, I want to cum with you inside me. Come on up and breed me!" moaned Ceto, panting hard as she fought off her orgasm.
Adam crawled over her streamlined scaly form and lowered himself to embrace her. He planted small kisses on the bottom of her neck and chin, Ceto smiling and clicking in response.
“You're quite the charmer, aren't you?" chuckled Ceto softly.
“I try," said Adam with a shrug. “Now let's get started, shall we?"
“Yes, LET'S!" suddenly shouted Ceto, Adam's cock slipping into her vent at an extreme pace. Adam tried his best to slow to a stop.
“Sorry," he said. “No friction whatsoever. It's so wet I couldn't stop."
“Then don't." crooned Ceto with a wink, wrapping her flippers around Adam's back and butt. The human grinned as he quickly obliged, thrusting in and out of her vent with ease. They moaned and held on tightly to one another, the sounds of their voices joined by splashing water and wet slaps of flesh colliding.
“Come on, faster!" moaned Ceto, thrusting her hips to meet Adam's, now penetrating deeper into her inner vagina. Adam probably should've been surprised at how fast she wanted it, but that didn't matter at the moment. Instead, he thrusted faster, harder, and deeper inside her with ease.
“Holy shit, Ceto, your pussy feels so soft!" moaned Adam as his tip kissed her pseudo-cervix. Adam grunted loudly, her pillowy inner walls causing his pleasure to rise swiftly into an imminent orgasm. “I'm gonna-"
Adam thrusted through her pseudo-cervix and shot his seed directly into Ceto's womb. The Halisaur squealed in orgasm as she thrashed about, Adam trying his best to hold her down and keep himself hilted inside her. After a short while, their orgasms came to an end, and they relaxed in afterglow.
“That's sure to be at least two or three pups." panted Ceto.
“Do you want me to let you back in the water?" asked Adam.
“No, it's better for impregnation in this position. That, and I figured we could enjoy the closeness for a bit. You're a really productive man, you know that?" Adam smiled at the compliment and kissed under her neck again. He didn't take a pill like last time, as that was only for larger species, but the fact that he was so verile certainly boosted his confidence. A thought then popped into his head, his brain a little bit confused by Ceto's anatomy.
“Wait, so how do you lay eggs?" he asked.
“We don't," chuckled Ceto before licking Adam's face. “My clan gives live birth. To say nothing of other marine reptiles."
“Huh," said Adam, rubbing her belly while Ceto clicked in response. “Didn't know that." The two looked into each other's eyes as they both smiled and kissed, savoring their limited time together.