Episode 42 Girl loses the Horse Cock
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Episode 40:My Girl With The Horse Cock free porn video
Introduction
Lucy woke up first, stretched and looked over at Amy laying face down beside her. A shaft of low autumn sunlight from a crack in the curtains illuminating her gorgeous long blonde hair. Lucy brushed it aside, softly kissing the back of Amy’s neck. As she gradually kissed down Amy’s spine, her breasts stroked the back of Amy’s arm, making her nipples harden; Amy stirred in her sle•ep. Lucy pushed down the white cotton sheet, exposing Amy’s bare taut buttocks. Lucy kept kissing lower and lower; holding each buttock in turn. Lucy adored Amy and would do anything to pleasure her friend. As Lucy pulled Amy’s buttocks apart to insert her tongue, Amy awoke, spreading her thighs wider and lifting her bottom up to Lucy’s eager mouth.
Lucy slipped one hand forward, between the quivering buttocks, still expecting to feel soft warm wet pussy – but no - just a smooth dry crotch, just like her ex-boyfriend. Then her fingertips encountered cock on a massive scale – it all came flooding back.
Background
I have to admit that this story is not original – it takes the teen characters Lucy and Amy from a story uploaded by Drew Robbins from Indiana.
In Part One, Amy visits a secret an1mal research laboratory on a school trip and accidentally consumes an experimental green liquid containing Horse-DNA, testosterone and something else. The following day she feels a little unwell, but sitting in the bath is horrified to see her hardly-used pussy ‘heal over’ and this enormous horse-cock sprout from her loins.
After Dr Michaels confirms her worst fears that her DNA has changed, probably permanently, Amy ‘comes out’ to her best friend Lucy.
After the initial shock, Lucy agrees to move in with Amy – the two develop an unusual lesbian/bi-sexual relationship.
In Part Two, the friends experiment with Anal and Cuntal penetrations – Lucy adores both.
I have taken this situation forward into the story you find here – enjoy.
Part way through writing this episode I discovered Part Three, in which we meet Scarlet. I won’t spoil the surprise, but if you need help visualising a girl like Amy but with more anatomical differences there is some excellent work by Futanari artists on this site. I have trouble understanding how you would ever satisfy such a girl, but might include her in a future story.
Back in Bed
Amy rolls over, trapping Lucy’s head between her thighs – f0rcing the horse-cock into Lucy’s face. Lucy crawls up the 12” of rigid
engorged prick – the entire shaft exposed from its fleshy sheath. Lucy is amazed she can now get the entire cock-head in her mouth – her muscles are definitely relaxing with every sip of sperm she swallows. Amy scoots around under her lover, lifting her legs so that
Lucy is now straddling Amy’s face – moist cunt just inches from eager tongue.
Amy loves to eat out Lucy – her cunt feels so soft and open, especially when Amy inserts a few fingers into her arse. Only yesterday Lucy flinched at two fingers, now all four comfortable fitted – Amy was fisting her best friend’s arse.
Lucy stopped sucking cock for a moment: “Oh shit, that feels amazing – how many fingers have you got up there”? She looked back over her shoulder, amazed to see Amy’s entire fist vanishing up her own arse – just like those photos of vets with their arm up a cow.
Suddenly she had a deep an1mal desire for this horse-cock, not just sucking it and drinking Amy’s cum, but fucking it with all her young body.
Lucy pulled Amy’s arm from her arse and twisted around so that she was balanced above the cock head.
Lucy gets an Anal
“Are you sure?” panted Amy. Lucy didn’t answer, just lowered herself onto the horse-cock. She had never felt so full. The cock was up her arse – she was riding it; lifting up and plunging back down.
Once the cock-head was in, Lucy screamed, but kept on pushing down. That first time she stopped, panting, sweat running off her nipples, with about half inside her: “Oh God, Oh God, Oh God” she mumbled “Where on earth is it all going inside me?”
The girls had only a hazy knowledge of human anatomy, having both flunked biology at school. The biology syllabus was just getting to the human reproduction cycle when the science teacher was sacked, caught fiddling with a small boy. The school persuaded the nice Maths teacher to stand-in, but he just read the words off the screen, trying to avoid the gaze of a dozen pre-pubescent girls masturbating noisily at the back of the class. He stopped the lesson when one of the little sluts leapt up onto a desk, holding her cunt lips apart, demanding “Inseminate this”.
So they never really learnt how flexible the intestines are, and probably only Dr Michaels could explain how Lucy was now able to take the entire 15 inches of horse-cock up her arse. Both girls were soaked in sweat and Lucy’s pussy juice; then the horse-cock started cumming deep inside Lucy – Amy was certain she saw Lucy’s breasts increase at least a bra size, as she hugged her friend through their best simultaneous orgasm ever.
Both girls were crying with emotion – Amy held her friend’s face – kissing away the salty tears, as she erupted deep inside Lucy’s body – horse-cum dribbling down her thighs as she pulled out, completely spent.
Lucy walked around in a daze for the rest of the day, stroking her bottom, conscious of the changes going on deep inside her body.
Examination
One day Dr Michaels rang: “I’m sending a car over for you Amy, I’m a bit concerned about the effects of that horse DNA on your metabolism. I’d like to run some more tests”.
Lucy was out when the dishy lab technician arrived to collect Amy; otherwise he might have ended up tied to the bed for the weekend, but Amy was too worried to play with him.
At the research centre Dr Michaels ran the usual battery of bl00d pressure, height, weight tests and a thorough breast examination that Amy thought a bit excessive.
He handed her a glass beaker “I’d like a sperm sample, you can use my office”.
“But, erm, I don’t think I can fill that. Anyway Lucy always plays with my horse-cock. I’ve never, err, tried masturbating it”.
“Don’t worry, miss. You’ll be fine. There’s some magazines in the top drawer. I’m sure you’ll find something suitable to arouse him”.
Lucy pulled off her jeans and white panties and sat on the cold leather office chair. Horse-cock stirred as her hot bottom and thighs warmed up the cold seat. Sure enough in the top desk drawer was a pile of nude magazines. Most were quite old, showing mature ladies with huge busts in ridiculous poses, which held no appeal to Amy, or horse-cock. Near the bottom of the pile Amy found what looked from the cover to be a stuffy medical journal, but inside was pure joy. Photographs of young girls in tight white jodhpurs and black riding boots, saddling up their horses. Over the page one beauty was standing up in the stirrups, her thighs and tight shapely bottom presented to the viewer. Amy had never seen horse-cock rise so quickly – it slammed against the edge of Dr Michaels’ desk.
This was no time for measurements, but she was certain it was longer and fatter than yesterday, probably now a full 18”.
Amy carefully took hold of the cock shaft in one hand, just behind the head and tried to aim it at the tiny glass beaker in her other hand. Horse-cock tried to teach Amy how to masturbate it – long slow strokes, right up to the tip, and back down again to the balls. But it was never going to work; after a few swift strokes horse-cock was gushing sticky white sperm all over her hands, the desk, the magazine and by luck some ended up in the beaker. She licked her sticky fingers – wow, it was so sweet and smooth as it slipped down her throat. Now she knew why Lucy loved to swallow so much.
When Dr Michaels returned a few minutes later, Amy was all cleaned up and dressed: “Sorry about the mess on your desk. Can I keep this old magazine? You seem to have plenty”.
The lab technician drove her home, with a supply of screw-top jars and a small fridge to keep them in. He called every Saturday morning to take the sperm samples back, not knowing that most of it had been sprayed up into Lucy’s arse prior to dripping out into the jars.
Once Lucy had been filled with horse semen at both ends, it rekindled a ch1ldhood love of horse riding. Lucy persuaded Amy to sign up for lessons at the local stables. They couldn't wait for Sunday; getting very aroused over photos of the young girls, but especially the horses. Amy had hardly left the flat for days, afraid that someone would notice the bulge between her thighs, and she had nothing to wear.
M0thercare
All her skirts were so short they exposed the horse-knob when it relaxed down her thigh and her jeans were so tight she was afraid of catching it in the zip (panties were useless).
“How do men avoid that?”Amy asked to no-one in particular. She longed to ask her Dad, but he was going to be the last one to hear about her little experiment.
Eventually she found an old pair of baggy corduroy trousers with a button fly in the back of the wardrobe; paired with a sloppy tee shirt.
Shopping in town, Amy felt strangely attracted to pregnant women – she could feel horse-cock twitching against her thigh.
“What about the M0ther& Baby Shop?” suggested Lucy, dragging her friend in the front door, trying to avoid the gaggle of heavily pregnant women stroking each other’s bumps.
Amy is bending down to a low shelf – what stupid merchandising – looking for a pair of pregnancy dungarees in her size. She was always a trim size 8 before the ‘accident’, and from the back her shapely, tight arse still was (unlike Lucy’s, which was beginning to gape from the 3 times a day sperm collection).
Lucy exclaims “watch out” as a pretty teen, with bright blue eyes, massively pregnant, only a few days to go, doesn’t see Amy and collides with Amy’s upturned arse. Amy stands up, still holding the dungarees, turning around – the girl is clearly embarrassed: “Sorry I didn’t see you down there; I can hardly see my feet anymore”.
She compares the shape of their obvious bumps: “I had a pair of those dungarees, up to 5 months, I guess. They hold it all in really comfortably. Amy watches in horror as the girl’s bump moves. “That’s OK you can feel him kicking, if you like”.
Amy touches the bump on the girl’s tummy, then gaining confidence, slides her hand down between the girls hot thighs.
Blue Eyes: “God you’re making me all wet – even my boyfriend has stopped touching me like that – keep doing it, you'll have a baby in your hands”. Amy’s nipples harden, horse-cock threatens to split the trouser stitching.
Lucy is standing behind Amy, shielding their groping from the other shoppers: “Bet you want to try this then, Blue Eyes”. She undoes Amy’s fly, releasing the swollen horse-cock into the girl’s hands.
“Oh my God” she exclaimed, bent down and took the first 3 inches into her mouth. She sucked like a vacuum cleaner, both hands massaging Amy’s balls, slathering the horse-cock in spit. Amy tried her hardest to remain calm in this shop full of pregnant women, but shortly had to hold onto the girl’s head for support as she released rope after rope of steaming hot cum into the girl’s mouth.
The girl staggered to her feet, wiping away a drop of spunk that missed her mouth: “That was awesome; here give me a kiss”. The girl swapped the still-hot sperm with Amy, both swallowing each other’s face in a passionate embrace.
“OK, OK, break it up you two” Lucy demanded “You know that stuff might not be good for her in that condition. Can I have my girlfriend back now?”
The girl staggered off, holding her bump, certain that the kicking had changed. The Maternity Unit was certainly in for a surprise when that little foal was born…
Ann Summers
It was obvious to Amy that Lucy's arse gaped open most of the day; Lucy kept touching herself, hoping for something to fill it. She had tried most of the bottles and spray cans in Amy's bathroom, but she complained they kept falling out. The girls giggled outside the local sex shop, daring each other to go in. Inside, Lucy browsed along the high shelf of sex toys, trying to find the right sized anal plug.
"Can I help you ladies?"
Amy looked up startled, to see the gorgeous blonde branch manager; feeling the horse-cock snuggled up warm against her tummy begin to arouse, threatening to poke the lady.
"Um, we're, uh, looking for a plug for her" blurted out Amy, pointing at Lucy "but none of these are big enough".
The manageress, Ann, looked Lucy up and down, noticing the revealing tight jeans: "We do have some special toys in the back room, if you two care to come with me".
Very quietly Amy heard Lucy replying "Yes we'd be very happy to cum with you".
The Manageress Ann handed Lucy a huge black plug: "Here, pop behind that curtain and slip this in".
A long 30 seconds later Lucy appeared from behind the curtain bare from the waist down: "It won't stay in" she sobbed. She turned around.
Ann was shocked: "What have you been taking up there?"
Lucy looked at Amy: "Ask her".
Amy opened the top two buttons on her new duffle jacket – the horse-cock head glowed a bright red.
"Christ! What on earth is that?" demanded Ann "That's what's been up this poor girl?"
Amy blushed: "Only once or twice” she lied “she begged me. I don't think it hurt her".
Ann: "Here baby, try this one" handing Lucy an inflatable plug "I find it works really well when horse riding. But I guess that's what got you into this mess in the first place".
Lucy went behind the curtain again, while Ann stroked the cock head, starting to kiss Amy.
Lucy emerged, stripped down to her bra and socks, grinning from ear to ear, pumping on the inflatable bulb hanging from her pretty arse: "Amy, this is awesome. It feels fantastic. It fills me up perfectly – just like your cock".
The cock in question was down Ann's throat, while Amy groped inside her dress: "Fabulous – now let's get out of here before this women gets filled with spunk too".
Examination
One evening on the daily skype call Dr Michaels looked worried: “Amy, love we’re not happy with the recent sperm samples. I’d like you to come over to the lab tomorrow for some tests. I’ll send one of the stable boys over, and you’ll need to bring your girlfriend”.
“OK, see you tomorrow”, Amy wasn’t sure how much Dr Michaels knew of Lucy’s involvement.
Next day they were both sat in his office, holding hands, giggling nervously.
“OK you two, I need to know exactly how you are collecting these sperms” he said sternly, handing Lucy an empty glass beaker “Show me”.
Happy to oblige, Lucy stood up, dropped her jeans and spread out face-down over the desk top. Amy pulled down the white panties, deflated her friend’s anal plug and pulled it out. It wobbled, black and slippery, obscenely on the desk. Amy’s horse-cock automatically reacted to the sight of her friend’s open arse, almost climbing out of the dungarees. Amy stood between Lucy’s legs, cock head touching warm arse flesh, straining to be fucking.
“I guess you need some of this”, Dr Michaels handed Amy a pot of lubricant,
“How did you know…?” Amy trailed off, applying a good dollop to cock head, and then smeared a finger-full into Lucy’s arse. Cock head slipped in real easy. Lucy moaned. Amy pushed forwards, burying another 3 inches into her best friend.
Dr Michaels didn’t reply, but suddenly appeared next to the pair, snapping photographs of their coupling on a very expensive-looking camera: “I hope you don’t mind. Just a few shots for my report”.
Next thing Amy remembers, before shooting a bucketful of cum into Lucy’s backside, is Dr Michaels standing very close behind her – his erection pressed into her own sweet cheeks and his hands all over her tits.
“May I?” he asked pleasantly, rubbing little circles around her arse, then pushing his quite-respectable 8” cock into her.
Even though Amy had a cock of her own, it was nice to feel another one. Since Lucy had moved into the flat, her own arse had received very little attention, and this was just what she needed.
Just then the office door opened wide and a half-naked girl burst in: “Oh sorry Dad, didn’t realise you had company”.
Amy recognised the girl from the beautiful magazine photographs, when Amy discovered how to masturbate this b**st between her legs. Sam already had her blouse off – fabulous high tits in a black bra, and the jodhpurs around her knees, matching black thong all sweaty from riding.
“Come in baby. These two beauties are just demonstrating their sperm collection technique. We thought it odd that the samples had traces of anal lubricant and Lucy’s DNA. Now we know why. Come on over – I think you could help”.
Sam hopped around, struggling out of the tight trousers and riding boots: “OK Dad, you fuck the one with the horse-cock and I’ll get off with this pretty bitch”. Sam had a gorgeous deep tan all over her lush body; well-nearly all over.
Sam climbed up on the desk, pulling aside the thong, offering her sweaty crotch to Lucy.
“Christ, you’re hairy” panted Lucy, trying to get her fingers through the curly forest into soft cunt “and you smell of Leather”.
“I’ve been riding, stupid. Just wait until you taste her – should still be a bit of stallion inside”.
Lucy ran her tongue over Sam's deep brown torso, arms, high breasts, midriff, cunt and stopped at the odd curved tan lines on the inside of her thighs.
As Sam lifted her legs up onto Lucy’s shoulders for a deeper inspection, Lucy traced the horseshoe shaped pattern of pale skin up one thigh, across the lower edge of her fabulous tight cheeks and down the other thigh with her tongue and fingers. The tan was nothing like her own straight-edged triangles front and back from sunbathing in a bikini during the summer. Her over-protective Dad had reluctantly agreed to topless in the back garden, but insisted on inspecting her bikini bottoms each day to make sure the amount of exposed flesh wouldn’t inflame the neighbours. Just wait – now that Lucy had moved in with Amy, they could revel in the nude all summer next year.
“So Sam, when you’re sunbathing do you dra•pe a towel over….?” Lucy trailed off, not sure how to ask.
"Silly girl; I always ride naked when it's warm enough. The saddle stops my arse ever getting a proper tan; but the horses seem to like it. My stallion can't wait to lick me out after a hard ride. You should feel his tongue; it's enormous".
Lucy lost no time in eating her out, opening up the sweaty lips, rubbing the hard clit. Lucy’s hand wandered up to Sam’s tits, releasing her hot soft flesh from the black bra. Sam held her cunt open for Lucy’s pleasure; masturbating hard to catch up the 10 minute start the two girls had. Dr Michaels ploughed Amy’s hardly-used arse, causing the biggest eruption of horse-spunk into Lucy, who shuddered to her own climax.
The Wet Room
Sam slowly recovered from her climax, having squirted all over Lucy's face; she slithered off the soaking desk onto her feet, still hugging and kissing Lucy: "God, I really need a shower now. Do you two want to join me, next door?"
Sam handed her soaked bra and thong to Dr Michaels: “Here Dad, you can play with these, and turn that fuckin’ camera off, you old perv. I didn’t know you were filming all that”.
Sam pushed open the door almost hidden by a bookcase: “Here we are girls, the best shower room in the lab. We are going to have some fun”.
It was a wet-room, shower taps all along one wall. The first one had a regular circular impulse shower head, labelled ‘For External Use Only’. Sam ignored that and picked up the second shower head shaped like a fat dildo, labelled ‘For Internal Use Only’. By the side someone had written ‘Anal OK, Cuntal not recommended’ in lipstick. Sam stuffed it straight up her cunt, warm water bubbling out of her crinkly lips: “Oh that’s better, I needed that”.
Lucy found a larger one for her arse, while Amy experimented with spraying the external one up against her balls, just like a boy – it felt fabulous.
“Lay down” demanded Sam “I need to ride your horse-cock, bitch”. Sam switched her shower to her arse and lowered her soaking cunt onto Amy’s horse-cock. She rode it hard, just like her stallion, rising up and slamming down, making her tits leap all over her chest.
Lucy crouched down behind Sam, soaping those fabulous swinging breasts in both hands: “Shame we haven’t got another cock, we could double-fuck this bitch, really make her cum”.
Sam looked up to the camera blinking near the ceiling: “Hey dad, I know you’re watching. Bring me the strap-on. You know the huge blue model in your top drawer. I really need a proper fuck”.
Lucy had never worn a strap-on before, Dr Michaels helped her adjust the straps around her thighs and between her legs, so it stuck straight out: “OK perv, now fuck off and watch us double-fucking your slutty daughter”.
Lucy dropped to her knees behind Sam, pulling out the anal shower head: “OK now squeeze all that water out”. They both laughed as a stream of warm soapy water shot out of her arse, covering Lucy’s chest, making her nipples erect. Next minute Lucy had the strap-on lined up and pushed upwards into Sam’s damp arse. Sam went very still as Amy and Lucy synchronized their thrusts into her young body: “Oh shit, I have never felt so full – you are really doing it. Yes. Yes. Don’t. Don’t. I’m going to cum if you get any deeper”.
Amy pounded horse-cock in, until balls slapped against thighs, pulling out at the last possible moment, like she always did with Lucy’s arse to collect the sperm samples.
Amy had no wish to impregnate Sam and wasn’t certain how horse-sperm would be taken up by her young body. So Amy pulled out and Sam cradled the pulsating horse-cock between her hot breasts, sucking the tip between sentences:
“I don’t suppose my Dad told you what happens to your sperm samples”?...
“Well, the lab is running a breeding programme to get young foals to sexual maturity much quicker”..
“They use your sperm, with some other Artificial Insemination techniques up the Brood Mares” ..more sucking..
“Look at the monitor over there; see those two young grey foals, can only be two months old” .. “They’re already showing signs of wanting to breed”.
Amy looked up over Lucy’s shoulder, who was now removing the strap-on from Sam’s arse and experimenting with a comfortable cuntal position. The young Filly and Colt, both products of Amy’s sperm, were racing around the paddock, nuzzling their Dams for a feed, and then playing chase. The young Colt play-fucked the gorgeous young Filly, holding her still between his front legs and aiming his impressive horse-cock into her rear end.
Amy was fascinated at the way the Filly stood perfectly still while the Colt serviced her; after his dripping cock was safely back in its sheath she rolled on the grass, all four legs held high to keep the sperm inside her.
Sam sucked Amy’s expanding cock, rubbing her wet tits up and down the shaft, eager to extract the last morsels of sperm: “Dr Michaels would love you to join the Breeding Programme, no need for Artificial Insemination now, I’m sure you’d prefer Natural Insemination – you can have as much Filly as you want. She’s very gentle – she’ll even lay down if you can’t reach standing behind her. And there’s always the Colt too if you’re feeling frisky”.
With that, all three girls collapsed in a sweaty, satisfied heap on the shower floor, dreaming about their next adventure with horse-cock.
Horse Riding
This site appears to have an (unreasonable) downer on sex with an1mals, so I will have to leave the details to your furtive imaginations.
Sam persuades her stallion to mount her new friend Lucy, stretched out over a hay bale, giving her further problems with the anal-plug falling-out problem.
Amy satisfies her craving for penetrating the velvety-smooth flesh of the grey filly, horse-cock satisfying its very first horse-vagina. Amy had perfected her Natural Insemination technique.
Lucy woke up first, stretched and looked over at Amy laying face down beside her. A shaft of low autumn sunlight from a crack in the curtains illuminating her gorgeous long blonde hair. Lucy brushed it aside, softly kissing the back of Amy’s neck. As she gradually kissed down Amy’s spine, her breasts stroked the back of Amy’s arm, making her nipples harden; Amy stirred in her sle•ep. Lucy pushed down the white cotton sheet, exposing Amy’s bare taut buttocks. Lucy kept kissing lower and lower; holding each buttock in turn. Lucy adored Amy and would do anything to pleasure her friend. As Lucy pulled Amy’s buttocks apart to insert her tongue, Amy awoke, spreading her thighs wider and lifting her bottom up to Lucy’s eager mouth.
Lucy slipped one hand forward, between the quivering buttocks, still expecting to feel soft warm wet pussy – but no - just a smooth dry crotch, just like her ex-boyfriend. Then her fingertips encountered cock on a massive scale – it all came flooding back.
Background
I have to admit that this story is not original – it takes the teen characters Lucy and Amy from a story uploaded by Drew Robbins from Indiana.
In Part One, Amy visits a secret an1mal research laboratory on a school trip and accidentally consumes an experimental green liquid containing Horse-DNA, testosterone and something else. The following day she feels a little unwell, but sitting in the bath is horrified to see her hardly-used pussy ‘heal over’ and this enormous horse-cock sprout from her loins.
After Dr Michaels confirms her worst fears that her DNA has changed, probably permanently, Amy ‘comes out’ to her best friend Lucy.
After the initial shock, Lucy agrees to move in with Amy – the two develop an unusual lesbian/bi-sexual relationship.
In Part Two, the friends experiment with Anal and Cuntal penetrations – Lucy adores both.
I have taken this situation forward into the story you find here – enjoy.
Part way through writing this episode I discovered Part Three, in which we meet Scarlet. I won’t spoil the surprise, but if you need help visualising a girl like Amy but with more anatomical differences there is some excellent work by Futanari artists on this site. I have trouble understanding how you would ever satisfy such a girl, but might include her in a future story.
Back in Bed
Amy rolls over, trapping Lucy’s head between her thighs – f0rcing the horse-cock into Lucy’s face. Lucy crawls up the 12” of rigid
engorged prick – the entire shaft exposed from its fleshy sheath. Lucy is amazed she can now get the entire cock-head in her mouth – her muscles are definitely relaxing with every sip of sperm she swallows. Amy scoots around under her lover, lifting her legs so that
Lucy is now straddling Amy’s face – moist cunt just inches from eager tongue.
Amy loves to eat out Lucy – her cunt feels so soft and open, especially when Amy inserts a few fingers into her arse. Only yesterday Lucy flinched at two fingers, now all four comfortable fitted – Amy was fisting her best friend’s arse.
Lucy stopped sucking cock for a moment: “Oh shit, that feels amazing – how many fingers have you got up there”? She looked back over her shoulder, amazed to see Amy’s entire fist vanishing up her own arse – just like those photos of vets with their arm up a cow.
Suddenly she had a deep an1mal desire for this horse-cock, not just sucking it and drinking Amy’s cum, but fucking it with all her young body.
Lucy pulled Amy’s arm from her arse and twisted around so that she was balanced above the cock head.
Lucy gets an Anal
“Are you sure?” panted Amy. Lucy didn’t answer, just lowered herself onto the horse-cock. She had never felt so full. The cock was up her arse – she was riding it; lifting up and plunging back down.
Once the cock-head was in, Lucy screamed, but kept on pushing down. That first time she stopped, panting, sweat running off her nipples, with about half inside her: “Oh God, Oh God, Oh God” she mumbled “Where on earth is it all going inside me?”
The girls had only a hazy knowledge of human anatomy, having both flunked biology at school. The biology syllabus was just getting to the human reproduction cycle when the science teacher was sacked, caught fiddling with a small boy. The school persuaded the nice Maths teacher to stand-in, but he just read the words off the screen, trying to avoid the gaze of a dozen pre-pubescent girls masturbating noisily at the back of the class. He stopped the lesson when one of the little sluts leapt up onto a desk, holding her cunt lips apart, demanding “Inseminate this”.
So they never really learnt how flexible the intestines are, and probably only Dr Michaels could explain how Lucy was now able to take the entire 15 inches of horse-cock up her arse. Both girls were soaked in sweat and Lucy’s pussy juice; then the horse-cock started cumming deep inside Lucy – Amy was certain she saw Lucy’s breasts increase at least a bra size, as she hugged her friend through their best simultaneous orgasm ever.
Both girls were crying with emotion – Amy held her friend’s face – kissing away the salty tears, as she erupted deep inside Lucy’s body – horse-cum dribbling down her thighs as she pulled out, completely spent.
Lucy walked around in a daze for the rest of the day, stroking her bottom, conscious of the changes going on deep inside her body.
Examination
One day Dr Michaels rang: “I’m sending a car over for you Amy, I’m a bit concerned about the effects of that horse DNA on your metabolism. I’d like to run some more tests”.
Lucy was out when the dishy lab technician arrived to collect Amy; otherwise he might have ended up tied to the bed for the weekend, but Amy was too worried to play with him.
At the research centre Dr Michaels ran the usual battery of bl00d pressure, height, weight tests and a thorough breast examination that Amy thought a bit excessive.
He handed her a glass beaker “I’d like a sperm sample, you can use my office”.
“But, erm, I don’t think I can fill that. Anyway Lucy always plays with my horse-cock. I’ve never, err, tried masturbating it”.
“Don’t worry, miss. You’ll be fine. There’s some magazines in the top drawer. I’m sure you’ll find something suitable to arouse him”.
Lucy pulled off her jeans and white panties and sat on the cold leather office chair. Horse-cock stirred as her hot bottom and thighs warmed up the cold seat. Sure enough in the top desk drawer was a pile of nude magazines. Most were quite old, showing mature ladies with huge busts in ridiculous poses, which held no appeal to Amy, or horse-cock. Near the bottom of the pile Amy found what looked from the cover to be a stuffy medical journal, but inside was pure joy. Photographs of young girls in tight white jodhpurs and black riding boots, saddling up their horses. Over the page one beauty was standing up in the stirrups, her thighs and tight shapely bottom presented to the viewer. Amy had never seen horse-cock rise so quickly – it slammed against the edge of Dr Michaels’ desk.
This was no time for measurements, but she was certain it was longer and fatter than yesterday, probably now a full 18”.
Amy carefully took hold of the cock shaft in one hand, just behind the head and tried to aim it at the tiny glass beaker in her other hand. Horse-cock tried to teach Amy how to masturbate it – long slow strokes, right up to the tip, and back down again to the balls. But it was never going to work; after a few swift strokes horse-cock was gushing sticky white sperm all over her hands, the desk, the magazine and by luck some ended up in the beaker. She licked her sticky fingers – wow, it was so sweet and smooth as it slipped down her throat. Now she knew why Lucy loved to swallow so much.
When Dr Michaels returned a few minutes later, Amy was all cleaned up and dressed: “Sorry about the mess on your desk. Can I keep this old magazine? You seem to have plenty”.
The lab technician drove her home, with a supply of screw-top jars and a small fridge to keep them in. He called every Saturday morning to take the sperm samples back, not knowing that most of it had been sprayed up into Lucy’s arse prior to dripping out into the jars.
Once Lucy had been filled with horse semen at both ends, it rekindled a ch1ldhood love of horse riding. Lucy persuaded Amy to sign up for lessons at the local stables. They couldn't wait for Sunday; getting very aroused over photos of the young girls, but especially the horses. Amy had hardly left the flat for days, afraid that someone would notice the bulge between her thighs, and she had nothing to wear.
M0thercare
All her skirts were so short they exposed the horse-knob when it relaxed down her thigh and her jeans were so tight she was afraid of catching it in the zip (panties were useless).
“How do men avoid that?”Amy asked to no-one in particular. She longed to ask her Dad, but he was going to be the last one to hear about her little experiment.
Eventually she found an old pair of baggy corduroy trousers with a button fly in the back of the wardrobe; paired with a sloppy tee shirt.
Shopping in town, Amy felt strangely attracted to pregnant women – she could feel horse-cock twitching against her thigh.
“What about the M0ther& Baby Shop?” suggested Lucy, dragging her friend in the front door, trying to avoid the gaggle of heavily pregnant women stroking each other’s bumps.
Amy is bending down to a low shelf – what stupid merchandising – looking for a pair of pregnancy dungarees in her size. She was always a trim size 8 before the ‘accident’, and from the back her shapely, tight arse still was (unlike Lucy’s, which was beginning to gape from the 3 times a day sperm collection).
Lucy exclaims “watch out” as a pretty teen, with bright blue eyes, massively pregnant, only a few days to go, doesn’t see Amy and collides with Amy’s upturned arse. Amy stands up, still holding the dungarees, turning around – the girl is clearly embarrassed: “Sorry I didn’t see you down there; I can hardly see my feet anymore”.
She compares the shape of their obvious bumps: “I had a pair of those dungarees, up to 5 months, I guess. They hold it all in really comfortably. Amy watches in horror as the girl’s bump moves. “That’s OK you can feel him kicking, if you like”.
Amy touches the bump on the girl’s tummy, then gaining confidence, slides her hand down between the girls hot thighs.
Blue Eyes: “God you’re making me all wet – even my boyfriend has stopped touching me like that – keep doing it, you'll have a baby in your hands”. Amy’s nipples harden, horse-cock threatens to split the trouser stitching.
Lucy is standing behind Amy, shielding their groping from the other shoppers: “Bet you want to try this then, Blue Eyes”. She undoes Amy’s fly, releasing the swollen horse-cock into the girl’s hands.
“Oh my God” she exclaimed, bent down and took the first 3 inches into her mouth. She sucked like a vacuum cleaner, both hands massaging Amy’s balls, slathering the horse-cock in spit. Amy tried her hardest to remain calm in this shop full of pregnant women, but shortly had to hold onto the girl’s head for support as she released rope after rope of steaming hot cum into the girl’s mouth.
The girl staggered to her feet, wiping away a drop of spunk that missed her mouth: “That was awesome; here give me a kiss”. The girl swapped the still-hot sperm with Amy, both swallowing each other’s face in a passionate embrace.
“OK, OK, break it up you two” Lucy demanded “You know that stuff might not be good for her in that condition. Can I have my girlfriend back now?”
The girl staggered off, holding her bump, certain that the kicking had changed. The Maternity Unit was certainly in for a surprise when that little foal was born…
Ann Summers
It was obvious to Amy that Lucy's arse gaped open most of the day; Lucy kept touching herself, hoping for something to fill it. She had tried most of the bottles and spray cans in Amy's bathroom, but she complained they kept falling out. The girls giggled outside the local sex shop, daring each other to go in. Inside, Lucy browsed along the high shelf of sex toys, trying to find the right sized anal plug.
"Can I help you ladies?"
Amy looked up startled, to see the gorgeous blonde branch manager; feeling the horse-cock snuggled up warm against her tummy begin to arouse, threatening to poke the lady.
"Um, we're, uh, looking for a plug for her" blurted out Amy, pointing at Lucy "but none of these are big enough".
The manageress, Ann, looked Lucy up and down, noticing the revealing tight jeans: "We do have some special toys in the back room, if you two care to come with me".
Very quietly Amy heard Lucy replying "Yes we'd be very happy to cum with you".
The Manageress Ann handed Lucy a huge black plug: "Here, pop behind that curtain and slip this in".
A long 30 seconds later Lucy appeared from behind the curtain bare from the waist down: "It won't stay in" she sobbed. She turned around.
Ann was shocked: "What have you been taking up there?"
Lucy looked at Amy: "Ask her".
Amy opened the top two buttons on her new duffle jacket – the horse-cock head glowed a bright red.
"Christ! What on earth is that?" demanded Ann "That's what's been up this poor girl?"
Amy blushed: "Only once or twice” she lied “she begged me. I don't think it hurt her".
Ann: "Here baby, try this one" handing Lucy an inflatable plug "I find it works really well when horse riding. But I guess that's what got you into this mess in the first place".
Lucy went behind the curtain again, while Ann stroked the cock head, starting to kiss Amy.
Lucy emerged, stripped down to her bra and socks, grinning from ear to ear, pumping on the inflatable bulb hanging from her pretty arse: "Amy, this is awesome. It feels fantastic. It fills me up perfectly – just like your cock".
The cock in question was down Ann's throat, while Amy groped inside her dress: "Fabulous – now let's get out of here before this women gets filled with spunk too".
Examination
One evening on the daily skype call Dr Michaels looked worried: “Amy, love we’re not happy with the recent sperm samples. I’d like you to come over to the lab tomorrow for some tests. I’ll send one of the stable boys over, and you’ll need to bring your girlfriend”.
“OK, see you tomorrow”, Amy wasn’t sure how much Dr Michaels knew of Lucy’s involvement.
Next day they were both sat in his office, holding hands, giggling nervously.
“OK you two, I need to know exactly how you are collecting these sperms” he said sternly, handing Lucy an empty glass beaker “Show me”.
Happy to oblige, Lucy stood up, dropped her jeans and spread out face-down over the desk top. Amy pulled down the white panties, deflated her friend’s anal plug and pulled it out. It wobbled, black and slippery, obscenely on the desk. Amy’s horse-cock automatically reacted to the sight of her friend’s open arse, almost climbing out of the dungarees. Amy stood between Lucy’s legs, cock head touching warm arse flesh, straining to be fucking.
“I guess you need some of this”, Dr Michaels handed Amy a pot of lubricant,
“How did you know…?” Amy trailed off, applying a good dollop to cock head, and then smeared a finger-full into Lucy’s arse. Cock head slipped in real easy. Lucy moaned. Amy pushed forwards, burying another 3 inches into her best friend.
Dr Michaels didn’t reply, but suddenly appeared next to the pair, snapping photographs of their coupling on a very expensive-looking camera: “I hope you don’t mind. Just a few shots for my report”.
Next thing Amy remembers, before shooting a bucketful of cum into Lucy’s backside, is Dr Michaels standing very close behind her – his erection pressed into her own sweet cheeks and his hands all over her tits.
“May I?” he asked pleasantly, rubbing little circles around her arse, then pushing his quite-respectable 8” cock into her.
Even though Amy had a cock of her own, it was nice to feel another one. Since Lucy had moved into the flat, her own arse had received very little attention, and this was just what she needed.
Just then the office door opened wide and a half-naked girl burst in: “Oh sorry Dad, didn’t realise you had company”.
Amy recognised the girl from the beautiful magazine photographs, when Amy discovered how to masturbate this b**st between her legs. Sam already had her blouse off – fabulous high tits in a black bra, and the jodhpurs around her knees, matching black thong all sweaty from riding.
“Come in baby. These two beauties are just demonstrating their sperm collection technique. We thought it odd that the samples had traces of anal lubricant and Lucy’s DNA. Now we know why. Come on over – I think you could help”.
Sam hopped around, struggling out of the tight trousers and riding boots: “OK Dad, you fuck the one with the horse-cock and I’ll get off with this pretty bitch”. Sam had a gorgeous deep tan all over her lush body; well-nearly all over.
Sam climbed up on the desk, pulling aside the thong, offering her sweaty crotch to Lucy.
“Christ, you’re hairy” panted Lucy, trying to get her fingers through the curly forest into soft cunt “and you smell of Leather”.
“I’ve been riding, stupid. Just wait until you taste her – should still be a bit of stallion inside”.
Lucy ran her tongue over Sam's deep brown torso, arms, high breasts, midriff, cunt and stopped at the odd curved tan lines on the inside of her thighs.
As Sam lifted her legs up onto Lucy’s shoulders for a deeper inspection, Lucy traced the horseshoe shaped pattern of pale skin up one thigh, across the lower edge of her fabulous tight cheeks and down the other thigh with her tongue and fingers. The tan was nothing like her own straight-edged triangles front and back from sunbathing in a bikini during the summer. Her over-protective Dad had reluctantly agreed to topless in the back garden, but insisted on inspecting her bikini bottoms each day to make sure the amount of exposed flesh wouldn’t inflame the neighbours. Just wait – now that Lucy had moved in with Amy, they could revel in the nude all summer next year.
“So Sam, when you’re sunbathing do you dra•pe a towel over….?” Lucy trailed off, not sure how to ask.
"Silly girl; I always ride naked when it's warm enough. The saddle stops my arse ever getting a proper tan; but the horses seem to like it. My stallion can't wait to lick me out after a hard ride. You should feel his tongue; it's enormous".
Lucy lost no time in eating her out, opening up the sweaty lips, rubbing the hard clit. Lucy’s hand wandered up to Sam’s tits, releasing her hot soft flesh from the black bra. Sam held her cunt open for Lucy’s pleasure; masturbating hard to catch up the 10 minute start the two girls had. Dr Michaels ploughed Amy’s hardly-used arse, causing the biggest eruption of horse-spunk into Lucy, who shuddered to her own climax.
The Wet Room
Sam slowly recovered from her climax, having squirted all over Lucy's face; she slithered off the soaking desk onto her feet, still hugging and kissing Lucy: "God, I really need a shower now. Do you two want to join me, next door?"
Sam handed her soaked bra and thong to Dr Michaels: “Here Dad, you can play with these, and turn that fuckin’ camera off, you old perv. I didn’t know you were filming all that”.
Sam pushed open the door almost hidden by a bookcase: “Here we are girls, the best shower room in the lab. We are going to have some fun”.
It was a wet-room, shower taps all along one wall. The first one had a regular circular impulse shower head, labelled ‘For External Use Only’. Sam ignored that and picked up the second shower head shaped like a fat dildo, labelled ‘For Internal Use Only’. By the side someone had written ‘Anal OK, Cuntal not recommended’ in lipstick. Sam stuffed it straight up her cunt, warm water bubbling out of her crinkly lips: “Oh that’s better, I needed that”.
Lucy found a larger one for her arse, while Amy experimented with spraying the external one up against her balls, just like a boy – it felt fabulous.
“Lay down” demanded Sam “I need to ride your horse-cock, bitch”. Sam switched her shower to her arse and lowered her soaking cunt onto Amy’s horse-cock. She rode it hard, just like her stallion, rising up and slamming down, making her tits leap all over her chest.
Lucy crouched down behind Sam, soaping those fabulous swinging breasts in both hands: “Shame we haven’t got another cock, we could double-fuck this bitch, really make her cum”.
Sam looked up to the camera blinking near the ceiling: “Hey dad, I know you’re watching. Bring me the strap-on. You know the huge blue model in your top drawer. I really need a proper fuck”.
Lucy had never worn a strap-on before, Dr Michaels helped her adjust the straps around her thighs and between her legs, so it stuck straight out: “OK perv, now fuck off and watch us double-fucking your slutty daughter”.
Lucy dropped to her knees behind Sam, pulling out the anal shower head: “OK now squeeze all that water out”. They both laughed as a stream of warm soapy water shot out of her arse, covering Lucy’s chest, making her nipples erect. Next minute Lucy had the strap-on lined up and pushed upwards into Sam’s damp arse. Sam went very still as Amy and Lucy synchronized their thrusts into her young body: “Oh shit, I have never felt so full – you are really doing it. Yes. Yes. Don’t. Don’t. I’m going to cum if you get any deeper”.
Amy pounded horse-cock in, until balls slapped against thighs, pulling out at the last possible moment, like she always did with Lucy’s arse to collect the sperm samples.
Amy had no wish to impregnate Sam and wasn’t certain how horse-sperm would be taken up by her young body. So Amy pulled out and Sam cradled the pulsating horse-cock between her hot breasts, sucking the tip between sentences:
“I don’t suppose my Dad told you what happens to your sperm samples”?...
“Well, the lab is running a breeding programme to get young foals to sexual maturity much quicker”..
“They use your sperm, with some other Artificial Insemination techniques up the Brood Mares” ..more sucking..
“Look at the monitor over there; see those two young grey foals, can only be two months old” .. “They’re already showing signs of wanting to breed”.
Amy looked up over Lucy’s shoulder, who was now removing the strap-on from Sam’s arse and experimenting with a comfortable cuntal position. The young Filly and Colt, both products of Amy’s sperm, were racing around the paddock, nuzzling their Dams for a feed, and then playing chase. The young Colt play-fucked the gorgeous young Filly, holding her still between his front legs and aiming his impressive horse-cock into her rear end.
Amy was fascinated at the way the Filly stood perfectly still while the Colt serviced her; after his dripping cock was safely back in its sheath she rolled on the grass, all four legs held high to keep the sperm inside her.
Sam sucked Amy’s expanding cock, rubbing her wet tits up and down the shaft, eager to extract the last morsels of sperm: “Dr Michaels would love you to join the Breeding Programme, no need for Artificial Insemination now, I’m sure you’d prefer Natural Insemination – you can have as much Filly as you want. She’s very gentle – she’ll even lay down if you can’t reach standing behind her. And there’s always the Colt too if you’re feeling frisky”.
With that, all three girls collapsed in a sweaty, satisfied heap on the shower floor, dreaming about their next adventure with horse-cock.
Horse Riding
This site appears to have an (unreasonable) downer on sex with an1mals, so I will have to leave the details to your furtive imaginations.
Sam persuades her stallion to mount her new friend Lucy, stretched out over a hay bale, giving her further problems with the anal-plug falling-out problem.
Amy satisfies her craving for penetrating the velvety-smooth flesh of the grey filly, horse-cock satisfying its very first horse-vagina. Amy had perfected her Natural Insemination technique.
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