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You thrash desperately against the strange thing that has caught you, powerfully butting your tail against it to no effect. It's like a cage, but wherever you push against the square lattice of "bars" it gives, and the pressure from it comes against you somewhere else. You flail, and you shriek, and although you can't even tell if what has seized you is alive, you tell it you are royalty anyway. None of it matters, and you are dragged upwards towards the ocean surface with unbearable slowness.
Out of the water, suspended in the air, you feel your weight against your prison much more keenly. Your wet skin is set ashiver, and a few of the fish caught alongside you flop against it in their own frantic attempts to escape. Those prove equally as fruitful as your own, the soft cage hauling you up higher alongside one of the human's water-constructs.
No, this can't be! Contact between mer-people and humans is forbidden!
Yet when you're eventually dumped onto the water-construct with a hard thud that leaves your elbows sore, two humans stare down at you with wide eyes. One looks older, her face hardened by age and the weather, with skin coloured like a seahorse and bright yellow hair like the ridge on a blue tang. The other is youthful by comparison, with sultry dark eyes and hair, and skin the colour of an urchin's spines. You curiously take in the finery that covers both their bodies, most of their skin hidden behind decorative garments. You also notice, of course, their perforated bottom halves, the limbs of land-dwellers that out here, give them the advantage. You can only slam your tail against the decking beneath you, trying to heave yourself towards the boat's side and escape.
They notice you with equal curiousity, taking in all your bare skin that's in a wholly different shade to the both of them, marvelling at the striking coral hue of your scaled tail. "That's a mermaid!" says the elder, but you can't understand her speech.
"It really is!" comments the other, as her gaze rakes over your body. You have no sense of modesty about your breasts being seen, but regardless, you don't like the look that comes into her eyes when they settle on your heaving chest. "Pretty thing, ain't she?"
"Go get your phone! Nobody'll believe this!"
"Right!"
You've been trying to talk all this time too, explaining how important you are, but all your caterwauling is going ignored. You continue slamming your tail against the deck, managing to heave yourself a good metre sideways.
"Whoa! Easy, girl, we're not gonna hurtcha!"
The light-haired woman hops over to where you've landed and falls to her knees, pinning down your arms. She's strong. The best you can do now is flop your lower half around, no better than the fish from the net that lay on the deck, forgotten. Your voice shoots up in pitch and in volume, and you squeal until you're blue in the face (literally).
"Noisy, ain't she?" asks the dark-skinned girl with a grin, returning with a strange object in her hand. You have no comprehension of what's happening as she photographs you, but you keep on thrashing your tail around until she stomps a strange-looking foot on it, and it becomes painful to try to move it. "There, now I can get some good shots," she says, and that's what she does, holding the device in her hands up and tapping a finger at it intermittently. She swings its multiple-lensed gaze across your body, until she makes a discovery just below where your hips flare out to become your tail. "Wait. Bren, I think she's got a pussy!"
The light-haired girl chuckles. "Guess that figures."
"Nah, for real! Tight little slit like a dolphin's, just after her tail starts. Think I could have a crack?"
"Fuckin' hell, Charlie! We fish up a mermaid and the first thing you think to do is fuck her?"
You have no idea you're being discussed like a piece of meat. You're back to warbling on about a reward for your return in a language that they understand just as well as you do theirs.
The younger woman's face darkens. "Like you don't get lonely out here? So, what are you thinkin'?"
"That we're rich!" laughs the older woman. "Gotta admit she's cute, though," she adds, shifting to let her legs help pin down your arms so she can help herself to a squeeze of one of your breasts. You wail, as the unpleasant sensation of being touched against your will shudders through you. A natural-born daughter of the king and queen is supposed to be spared the vulgarities of reproduction.
Charlie suddenly throws Brenda her phone, the older woman catching it capably, and then says, "Well film me dicking her down, and you'll be even richer. That shit's goin' viral. Dark web, whatever, you'll make bag!"
Brenda laughs louder. "You're a sinful little witch, you know that?"
"Like you don't wanna watch."
"Can't fuckin' believe this," the woman comments with a shake of her head, looking down at you. "Alright, fish girlie. You ready for your big internet debut?"
"Fuck yeah, that's what I like to hear!" Charlie starts undressing, but your attention is stolen by Brenda's hand leaving your breast, and coming to try to pick off the starfish that's attached to your hair. No! It separates with a powerful tug from her, and then a mighty throw has it sail off the edge of the ship and into the water. You wail, unable to brink your tears any longer as you're separated from your beloved childhood pet. Your vision blurs, sparing you the sight of Charlie using the hand she's just spat on to stroke her big, dark log of flesh until it stands up, away from her muscular naked body.
"Shit, how do I do this?" wonders the young woman as she settles herself on top of you, letting her weight press you into the decking. You shriek beneath her, twisting, the slipperiness of your iridescent tail scales stealing her purchase. "Augh! Feisty little bitch!" she complains, fighting to re-position herself again. "How 'bout I get her arms, and you tie her tail to somethin'?"
"Hah. On it."
The dark-haired woman pins your wrists easily aside your head, but you're winning the wrestling match between your lower halves. She slaps you, an indignity that should be unheard of for a princess, and stuns you for almost half a minute. "You're not going back in that ocean without a load of my cum in ya," she tells you with a leer.
"Why's she goin' back at all?" asks Brenda, returning with a length of rope. "If you're gonna fuckin' rape her, might as well keep her out here with us for some company, no?"
"Heh. Think you're the witch!" Charlie says, flashing her partner a grin before turning back to you and giving you another slap. "Hear that, bitch? You belong to us now. All the human dick you could ever want, slutty-scales."
You whimper, and thrash her off again, but this time she allows herself to move. Helps Brenda by pinning down your tail, so it can be tied to the shiny silver that rings the lip of the humans' sea-construct. It sinks in then just how powerless you are, your stomach in knots and your heart pounding even before Charlie has your arms held captive by one hand, and the other around your neck. Free now to line herself up, you let out a helpless wail when you feel the touch of her cock, impossibly hot and huge, against the vertical seam in your scales.
She doesn't have you easily, but she does eventually have you. Her immense tool throbs as it drives into you, its owner grunting as she experiences your unique (at least to her!) anatomy. "Unngh! She's tighter than a teen! You gettin' this?"
Your eyes are squeezed shut, and you don't see Brenda shoot her a thumbs up, phone in hand. "Easy on her neck, stud. Her gills don't work out 'ere." You gasp for breath as Charlie's fingers relax their grip, one pain easing as another only worsens. She's so deep within you now, the heat of the hottest part of her warm-blooded body almost as uncomfortable as the incredible stretch her veiny girth is forcing upon your insides.
"Damn she's cold! This is like nothin' else!" She fucks you eagerly, thumping you against the boat below with every thrust in the more vertical take on missionary position that your anatomy requires. Eventually her free hand leaves your neck, a twinkle in her smoldering brown eyes as she looks down at your breasts, and helps herself to a rough handful of one. Sensation lances through you again, just like it has with every breach of her into your body. Nerve endings, that have never even had the chance to fire before, are now being shockingly overstimulated by the incessant drag of hot human flesh against your silk-smooth inner walls.
"Nnngggghhhh!" grunts Charlie, a sound of relief as much as one of ecstasy, louder than the sloppy squelch of residual seawater being forced out of your body by her cock. "Nearly forgot what a good fuck feels like!"
"Heh, listen to her squeal," adds Brenda. She points the camera at your face and zooms in for a close-up, the first ever video evidence of mer-people's existence currently spotlighting the despair in your eyes, and the pained scrunch of your pretty features. You are squealing, your lips hanging open like those of a fish in readiness to deliver another note of your siren song with every push of her into you. Each thrust jolts your delicate body against the water-construct below, and brings with it the sensation of unbearable fullness, of her rapid heartbeat pulsing deep within. How could you not cry out?
Your arms squirm beneath her, and your tail tries a few more times to thrash its way free of the rope that's holding it stretched out flat. You turn to Brenda and beg for mercy in desperation, but your incomprehensible speech only serves to bring a grin like a great white shark to her lips. You have no choice in this. The best you can do is suffer, as your body tries to accustom itself to the size of a hung human cock, and the raw greed with which Charlie pounds it into you. Enough of that, and a reaction is inevitable. Your vagina submits, and it slickens, the wet sounds of your defilement no longer just thanks to seawater.
It begins with that new slickness. At first it's a mere glimmer, like a ray of sunlight piercing through the ocean surface. Something strange within you... pleasurable, a feeling you've never experienced before but recognise immediately as what is strictly forbidden for daughters of the mer-king. You hate the woman atop you for this mistreatment, such offense against your royal person, and you hate the other woman perhaps even more for separating you from your beloved Twinkle. Yet, no matter how blue your cheeks go, or how many tears you spill across them, the slide of a thick human cock along your snug, sensitive inner walls has begun to wrench little gasps of enjoyment from your lips regardless.
"Think she likes it!" comments Brenda, still filming with one hand while the other palms her crotch.
"Yeah! Moan for me, slutty-scales!" You can't understand her command, but before too long, her big dick has you obeying it anyway. You're still struggling, but now it's in part because this burly human woman is making you disgrace yourself. You can't help it. This should be beneath you, an indignity that royal girls are spared from. Yet, some part of you has somehow come to like being beneath Charlie. To find excitement, rather than discomfort, in the severe difference in your body temperatures. To appreciate the intimacy of this act, even if you didn't permit it. To enjoy something stretching out your scales, as the peasant-folk would call it.
"Huuunngh. Fuck! You're so cute... can't believe, hngh, I'm fuckin' a mermaid! And she's squeezin' me so good..." Something in Charlie's tone hooks into you, even if the words don't. You catch yourself wishing you understood what she was saying.
Words don't matter, though. She keeps going, and going, until you're a trembling mess, and your arms are as limp as a jelly on the shore. Noticing your lack of struggle, she stops pinning your wrists, switching to using her other arm to support her weight. Her free hand plays with your hair, strokes fingers over your exotic face, while hers stares down at you from above, having lost none of the lust that sat upon it in the moment she first took you. As her hips now accelerate, her attractive features only contort further with ecstasy.
"She's so tight, Bren."
"Hah, everyone's tight for you, big girl."
"No, really! You gotta-nggggh, fuck!" Suddenly, the hand at your face slaps you again, jerking you back to alertness. "You gonna cum for me, fishy? Before I do?" She slaps you again, harder. "Are ya?" You wail in reply, but your pleasure-stricken cries now are nothing like the wails you were giving out before. Your attempt to push her away is terribly half-hearted. "Yeah fishy, you are." She thrusts at you violently, settling into a pace that'll bring her off, and has her big balls thudding against your tail. Her hot, bulging thickness within you drags you right along with her, princess or not. When you grasp at her shoulder it's not to push her away, but simply to try to steady yourself as her selfish tempo overwhelms you with sensation.
You're rapidly driven over the edge. Your tail quivers in its bondage, hands clenching and eyelids giving a flutter as you cum with a small, guilty squeal. Your vagina ripples, its slick walls undulating like ocean waves in the course of your orgasm. The unique sensation for the woman brings another curse to her lips, and her own peak upon her. While you feel a strange, ecstatic warm glow suffuse your cold-blooded body, she falls upon it, her head by yours. She delivers several long, loud grunts of bliss right into one of your ears, while she floods your mer-princess pussy with human cum.
Quite some time is left to pass with her still there lying with you, atop you, her heat still throbbing within your body. The woman strokes your hair, and mumbles more things into your ear that you don't understand, but seem to be complimentary. It's a short few sweet minutes before the sense of violation catches back up to you, and you panic about how you're going to get back home. Your tail starts straining against the rope binding it again, but Charlie just chuckles.
Done recording, Brenda moves closer, gives Charlie a slap on her bare ass. "Alright big girl, my turn."
Charlie looks up at the older woman with a smile. "Yeah, Bren, we're definitely keeping her."