Alphabet Challenge 2018 - I is for Incest

Story by Jeeves on SoFurry

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#9 of Alphabet Challenge 2018

A pair of twin sisters reunite for a week away from the rest of the world, doing things with and to one another that they dare not share anywhere else.


This story was written for ChaoticQueen as part of my 2018 Alphabet Challenge. It contains sexual acts between two consenting adult intersex women, and bunches of incestuous lewdness. :3

I is for Incest

As Ellen drove up to the small wooden cabin, her heart leapt as she spotted the four-by-four already parked beside it. The powerful horse's muscles grew tense while she manoeuvred her own vehicle into place alongside the first, and by the time she dragged herself and her small bag out of the car, planting two firm hooves upon the earthen track below, she could practically hear the rushing of her own blood inside her ears as her pulse quickened violently. For months she had been waiting for this week to begin. Counting down the weeks, the days, the hours, minutes and seconds. She strode towards the cabin's front, up onto its porch and to the rich wooden door, old and yet sturdy as the rest of the log-walled structure. Her hand shook as she reached out for the handle, not bothering or even considering knocking on the door and waiting here to be let in. She grasped it in one strong brown coated fist, turned the handle, pushed the door open and...

A pale white arm shot out from within, and dragged her into the cabin as Ellen gave a whinny of shock and joy all rolled into one. A moment later the door slammed shut, and she was pinned up against it with two strong arms clasping at her wrists, and another tall, muscular body pressing itself against hers.

"Elle... w-what the fuck took you so long?"

Samantha moaned as she rose up onto the tips of her hooves to kiss the taller, stronger of the two muscular equine women. Their lips had barely met however before to her horror Ellen pulled away from the wall, spinning them round and using her greater height and musculature to pin Samantha instead. Only then did they get the deeper, lengthier kiss they both craved, and as Ellen's tongue teased its way lovingly into Samantha's mouth the slightly smaller of the two powerful horses made no attempt to redress the balance. They kissed hungrily, adoringly until they were both short of breath and trembling in excitement. Only then did Ellen draw her head back, peer deep into Samantha's eyes, and snort playfully.

"I'm two hours early, and you know it. But I'm still sorry that I wasn't here sooner. I'm still sorry I wasn't here with you from the very moment you arrived. You know how much I hate to let you down, little sister."

Eyes bulging, Samantha whinnied sharply and shook her head as she struggled to get free from her sibling's intimate grip.

"N-no. Oh, Ellen. No, you could never let me down. I was just being silly, I w-was just..."

Another kiss caught her off guard, and shut her up as Ellen made it very clear that she too was just fooling around with that teasing apology. By the time their muzzles parted once again, Samantha had no further desire to say she was sorry or to deliver any kind of recriminations whatsoever. There was only one thing that she wanted to say to her big sister. Something they both already knew, but something which here they were free to say, free to share without worry over who might hear and who might attempt to judge or harm them for saying it.

"Let me fuck you, Elle. I know we have a whole week. I know we have seven days together here with no-one to disturb us, no-one to interrupt or catch us. But... fuck, I don't want to wait a single second longer than I have already. Please. Please, big sister. Let me fuck you right here, right now before you even unpack. Because, if I don't start now? I don't think there'll be time enough over the rest of the week for me to do it as much as I know I'm gonna want to."

They clung to one another, panting, blushing, grinning for just a few moments of sweet tension as Ellen dragged out the answer that Samantha knew was coming, yet wouldn't allow herself to pre-empt with any action. Finally, albeit just a few short seconds later, the brown coated, black maned horse nodded. She reached out, ran a hand down the back of Samantha's neck and over her own dyed pink mane, and whispered tenderly to her smaller but still oh so strong and capable sibling.

"No secrets this week. No taboos. No hiding or holding back how we feel. Oh god, Sam. Of course you can fuck me. I... I just want you to promise me one thing."

Whinnying, gasping in excitement as their bodies shook in one another's tight embrace, Samantha nodded.

"Anything. Elle... I'll do anything for you. You know that."

Ellen grinned, and shuddered as Samantha stepped away from her and they both began to tear off their own clothes, unceremoniously and as fast, as shamelessly as they possibly could.

"If at the end of the week, it isn't enough? If you feel we need more time... s-say so. Promise me you'll say so. Because, now I'm here? Now we're both here, little sister? I don't care if I lose my job, I don't care if I have to spend a month out here washing a week's worth of clothes in the river and driving us fifty miles to the nearest town when we need basic groceries. I won't make us go back to the world, to stealing what moments we can and watching our backs constantly so we aren't caught out in a moment of intimacy together, until I know that you've gotten everything you need from this week. Because, what I need more than anything, is for this week to make you happy."

She had barely stopped talking by the time the last of their clothing fell to the ground. For a moment the two of them stood there, regarding one another's bare bodies. Bodies that were so familiar to them it was almost more natural to see themselves naked together than clothed, and yet which even after knowing each other literally from the moment they were born still gave both sisters a deep, abiding thrill each and every time they laid eyes upon one another in that state. Their eyes roamed gleefully over their sister's breasts, Samantha's being substantially larger despite her being the slightly smaller statured and second-born of the twins. They continued down, both horses shuddering and licking their lips as their cocks flexed and slapped up against their taut, muscular forms. Again, Samantha's was rather larger than her big sister's own, though thanks to their height difference they rose up to almost the exact same height when pressed length to length. Finally their eyes fell upon one another's testicles, swollen and eager after days of both women having been holding back, saving themselves up for just this moment.

In the same instant, their eyes rose once more. They met, and both women gave a desperate, frantic whimper of adoration and hunger, before lunging headlong at their twin sister with a wild, unified cry of pure and joyous lust.

"Yes! Yes!"

It was a good thing that the cabin was constructed of solid beams of wood, because as the two siblings began to fuck freely and without the need to hold back or keep quiet for the first time in months, the force of their ministrations rattled the timbers of the structure to its very foundations. Their thick and muscular bodies wrestled and grappled with one another as their cocks rubbed up against one another and they flung themselves at the walls, both trying to pin their sister so they could better hump and grind against the other equine's cock with their own. Hands roamed urgently, from teasing at swollen and sensitive nipples to gripping at tight buttocks and revelling in the feeling of tight, defined abs beneath their lush coats. It was Samantha however who was the first of the pair to have her hands reach beneath the girth and weight of Ellen's balls, and began to fondle and tease at her sister's hidden but no less sensitive, no less desperately eager pussy.

"Turn round for me. Face the wall and... o-oh, Elle. Give us what we both want. Just turn around and I'll fuck you right here, right now. So hard and so deep. I'll..."

She whimpered, and her voice trailed off as Ellen did exactly what she had suggested, whinnying, gurgling and nodding in frantic desperation and totally leaving Samantha with a whole teasing, tempting attempt at persuasion which was now suddenly unnecessary. As soon as the stronger, taller horse had spun round and planted her forearms against the wall though, spreading her hoofed lower limbs and flagging her braided whip of a black tail up high above her tense buttocks, Samantha didn't care that she hadn't gotten to say her piece. It didn't matter now. Nothing mattered other than that beautiful ass right in front of her, and what lay between the sturdy legs directly beneath it.

The equine sisters bellowed and wailed to one another and the whole world as Ellen was swiftly and deliciously filled with Samantha's huge, thick and throbbing cock. So many times before they had felt their bodies coming together as one, but it never grew any less important or impactful for either one of the twins. This time however it meant more, so much more than even was normally the case, as they knew that this time they wouldn't be interrupted. This time there would come no knocking of an innocent friend at one of their apartment doors, no parents arriving home early when years back they had tried to steal moments together while home from college. There were no people who remotely knew them who knew where they were right now, both having lied about where their vacations were taking them. Thus, they had no reason to stop. No reason to hesitate. No reason to slow or quieten themselves remotely, because for once on this wonderful and passionate vacation together, they were free to love one another, and to fuck one another in precisely the manner they wished.

Their first wild, frenzied fuck lasted barely five minutes before with a strangled whinny of pure ecstasy Samantha lashed her big sister's pussy with thick ribbons of cum, both hands pumping at Ellen's own cock and ears twitching, eagerly drinking in the sound of the other horse's screams while she painted the wall of the cabin and soaked Samantha's cock with floods of liquid ecstasy from her clutching, squeezing pussy. There was no break in their intimacy after that point however, no rest or recuperation time given to either of the sisters, nor desired by either one of them. They didn't even make it further away from the front door before Ellen was on her knees with her face tucked away beneath her sister's heavy, albeit freshly emptied balls. Samantha huffed and grunted as she was eaten out right there on the spot, and by the time she too wailed and gushed with streams of ejaculate all over her sister's long and flushed, panting muzzle, both their cocks were rock hard and ready to go all over again.

Samantha was trembling in her sister's arms, grunting and moaning as she bucked and humped and rode Ellen's cock while the larger, stronger of the two muscular equines physically carried her through the cabin as their second bout of fucking got underway. They didn't make it to the bedroom before Ellen's legs began to give way under the pleasurable thrall of her little sister's humping and the delicious added sensation of Samantha's own cock pinned and throbbing between their torsos. Instead they collapsed down upon the cabin's couch, and Samantha rode her big sister hard and fast until with a fresh set of mind-bending cries of ecstasy she felt Ellen pour streaks of hot cum into her fertile depths while lashing the older horse's breasts and beautiful, wide-eyed, open mouthed face with thick strings of her very own cock's second but still all too productive release.

As the day wore on they did take the occasional break of course, though far more frequently they continued to tease, touch and revel in stimulating one another between bouts to coax their bodies back to readiness all the more rapidly. Their muscular forms were all but tireless in their stamina, and for that reason it was well into the night, long after the sun had set and without any time having been taken that day to ensure that the cabin's solar-charged batteries were active and ready for use, before in the pitch darkness of the cabin's sole bedroom there came the sound of creaking springs, and two bodies falling limp, gasping and trembling in long-awaited exhaustion and temporary relief, if not outright contentment.

"Hold me, Sam..."

Ellen gasped as she trembled within her sister's already firm, unshakable embrace.

"Oh god. Hold me. I... I can feel you. I can still feel your cum, shifting inside me. So much of it. S-so good."

Samantha kissed Ellen deeply upon the lips, that act alone taking a sizeable proportion of her body's remaining energy after this first long and glorious day spent together.

"I can too. Elle. Oh, Elle... I... I know we've risked it so many times, but, this week? I think it's gonna happen. I really do, a-and... and I think that I want it to. I think I need it."

She felt her sister shiver violently. She felt Ellen's arms clutch tighter at her own smaller form, and the other horse's nose rub tenderly against her own. The older equine remained silent for almost a full minute, long enough and still enough in that time that Samantha wondered if perhaps she had fallen asleep. She did speak however, though only when she knew what it was that she wanted to say.

"Ever since I knew I loved you, b-before we even fooled around, before we became anything more than sisters... I used to imagine that when I had a baby, it would be you that would help me raise it. Help me teach them about all the wonderful things in this world. There was never anyone else. I never imagined a father, a mother, anyone else who was with me to raise our baby. Just... you."

Eyes widening in the darkness, Samantha whimpered at Ellen's choice of words.

"O-our baby?"

Ellen shuddered again, and moaned as she squeezed her sister tighter still in her arms.

"Our baby. Our babies. Brothers, sisters... whatever we have, I don't mind. But, one in your belly, put there by me. A-and, one in my belly... put there by you. Our babies."

They were so tired. So fatigued from their long day of near constant sex. And yet in that moment, hearing those words and feeling the impact of what they meant to each of them, both women could feel their bodies stirring anew. Pussies quivering. Cocks swelling. Hearts racing as they kissed, and kissed again, and felt their arms beginning to roam as their muscular bodies began to writhe and wrestle intimately upon the bed in an obvious precursor of what was soon to come.

"One more time. O-one more time tonight, before we sleep. Please. Oohh, please Sam... fuck me. Fuck your big sister a-and... aahh, and put a baby in her. Put your baby inside her. Oh god. Ohh _god, yes _! Now! N-nhh-haaaaaaahh! Now!"

By Jeeves

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