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Chapter 340
by
JoeSte91
Who's at the door? And do they have time to avoid being caught?
Not Yet
Robert and Mallory barely had any time to react. In the seconds that followed the sound of the keys, the front door of Mallory’s house opened and in stepped Monica Bishop. The middle child of the Campbell daughters gasped with slight surprise when she saw Robert sitting on the couch. It was a remarkable shock just to see him there after Melfina’s advice to keep her old fling close to ward off the temptation of screwing around with her own son. But then she noticed that he was topless.
A few steps closer revealed that he had lost more than the top half of his clothes. He was completely naked in fact, with his thick python of a cock obscenely lodged in her elder sister’s stretched out puss. As wrong as it looked, as impossible as it might have seemed for her lips to really open that wide, it was even more impossible who those lower lips belonged to. They were Mallory’s pussy lips stretched up, Mallory’s legs spread wide for him, Mallory’s eyes staring back at her, her body frozen like a deer in headlights. It was impossible. Just impossible. Mallory hated Robert.
Without a word, Monica turned around and slammed the door, as if she had to keep what she was seeing from escaping into the evening. She took several deep breaths. She had just seen her eldest sister naked, completely birthday suit nude, with her sister’s ex-boyfriend buried several inches deep in her pussy. The man Monica cheated on her husband with, the man who was the real father to her son, was fucking her sister and she’d just seen it with her own two eyes.
“Mon, now, Monica, before you freak out…” Robert put on his smoothest tone of voice.
“That might carry more weight, if you weren’t still inside me,” Mallory grunted, lacking all strength to pull herself up and off his cock.
“Oh? You say that like you really want me to pull out.”
He teased her by slowly moving his hips backwards, beginning to withdraw. But after not moving at all, the slightest shift within her cunt made her moan loudly, despite the presence of her sister. Monica wheeled around, causing him to stop, although she still refrained from looking directly at their connected bodies by turning her head slightly and raising a hand to shield her eyes.
“What is happening?” Monica began questioning, and once the floodgates were opened, more came pouring out. “How long has this been happening? All this time? When we were? Were you two? And Dario. God, Dario, does he know?”
“It’s not like that,” Robert said, trying to avoid the cliché.
“Robert’s right. This is the first time we’ve ever done this,” Mallory assured her middle sister.
“Well, technically the second,” Robert corrected her, unable to resist the opportunity to tease her again.
“Second round of the first time,” Mallory compromised.
“God, you two are like smitten teenagers again. And ‘Robert’s right’? I never in a million years thought I’d hear you say those words,” Monica ran a free hand through her hair, whilst feeling like her head was set to explode. “Fuck, now I know how Zack must have felt when he saw you and me.”
“Listen, this is a good thing really,” Robert tried to explain. “I only came here tonight to ask for a favor from Dario.”
“You’ve got a funny way of asking,” Monica scoffed slightly, and flicked her hair. Her eyes were momentarily unshielded, and immediately fell to glance again at the man’s thick schlong piercing her sister. “I should have told Greg that you weren’t fucking his wife, you were just asking for a favor from him.”
“At the start, she didn’t even want to let me into the house. There was no way I was going to be able to work with Dario while Mallory was still holding a grudge,” Robert deftly ignored Monica’s remarks and continued his explanation. “So, we talked and cleared the air.”
“The air doesn’t feel very clear,” Monica said, and inhaled through her nose, sniffing the heat and sweat that still lingered all around the couch. “It smells rather heavily of sex in fact.”
“That’s enough,” Mallory barked. As her temper flared her body tightened, and Robert had to suppress a groan as her insides constricted around his thick shaft. “How dare you stand in judgement over me! Your sins are almost the same as mine, but worse. You had another man’s child, this man’s child, and lied about it for eighteen years. By what right do you condemn me?”
“Because I know the trouble and pain that my actions wrought.” Monica cried, her voice crackling with sadness. “How it tore my family apart. Is that what you want to do to Dario? To Mia and Dominic?”
“That’s not going to happen,” Mallory insisted stubbornly. “This was just a one-time thing. A righting of past wrongs, and that’s it. Then we’re done.”
“Then you’re a fool. It’s never done. I thought I was done when Zack was born, and yet, years later, I fell right back into it like it was nothing. It was nothing. It was easy. It might not be tomorrow, or even next week, but now that you’ve started this, you won’t stop. This is who you are now Mallory, a cheater, and Robert will always hold a piece of you.”
“I’m not you, Monica. What makes you think I can’t stop whenever I want?”
“I know because from the moment I stepped inside this house, you’ve made no effort to detach yourself from Robert’s cock. I don’t blame you, I know the feeling, it’s mind-numbingly delicious and exquisite beyond words, and it’s a sensation you don’t want to let go of. You’re telling yourself, ‘not yet’. And when it’s over, you’ll tell yourself, ‘not yet.’ The next time you see Robert, you’ll tell yourself that it’s definitely over, and that little voice will whisper back ‘not yet’. And every time you’ll tell yourself it’s the last time, and every time, you’ll also convince yourself, ‘not yet’.”
Mallory had been stunned into silence, the revelation of her own feelings presented to her by own sister felt like a freight truck hitting her head on, but Robert just smirked. Not from smugness, or pride, though he was certainly feeling self-satisfied with Monica’s praise, no, he could tell from her words, her expression and her eyes, the one thing she was trying to avoid.
“You say that Monica, but you also haven’t been able to stop looking at my cock,” he remarked, his smirk widening.
She chewed on her bottom lip. At the mere word, her eyes had instinctively flickered down towards his impressive member. After everything she’d said, she couldn’t just admit to taking longer and longer glances at his dick even while it was lodged in her own sister’s snug, wet hole. But this was Robert. He already knew, so there was no point denying it. Instead, she chose a third option; conflicted silence.
Moving his hands down, he took a tight grip of the flesh around Mallory’s hips, and gently began to saw his massive cock in and out of the older sister’s pussy, all the while keeping eye contact with Monica, and watching her face very closely.
“You said you know the feeling. Really, it’s a feeling that you can’t forget. She’s a cheater and I hold a piece of her now, but she’s not the only one. Part of you belongs to me too, doesn’t it? It has for eighteen years and just like Mallory, you couldn’t give it up. You want this just as much as she does. So, rather than asking how, or why, the only question you really should be asking is, are you done?”
Her throat felt dry, and drier still as she swallowed hard, but even so the words came out clear and loud when she spoke.
“Not yet.”
Robert smiled at Monica, and though his hips kept moving, sawing his dick in and out of Mallory, the room felt still. Not quiet, because there was still the creaking of the sofa between the weight of one body thrusting into another, but frozen as if even one more word would break the spell. Monica stared openly at the pair now, at her sister, and her ex-lover, watching as they fucked, as she contemplated what she had just agreed to. As she thought about what came next, she felt a quiver in her own body, and a heat, radiating from between her legs.
“Wha…ah…what about me?” Mallory moaned from beneath Robert, her pleasure riddled mind completely misreading the situation. “Doooonn…Don’t stop.”
“Who said…” he slammed hard into her again, causing her to scream out to the rest of the house. “…I was going to stop?”
Mallory’s eyes widened, although that could have been from the immense pleasure pouring into the rest of her body from her core. Just like her sister though, she felt a naughty shiver run through her at the mere thought of the illicit, taboo union of the two siblings being taken by the same massive cock. It was so wrong. So so wrong. This morning when she woke up she never expected to end the day by cheating on her husband, much less engaging in a threesome with her own sister. But as wrong as it seemed, as much as she knew she should stop it before it could begin, she couldn’t. She was too far gone. Right now she probably would have agreed to anything, so long as Robert kept fucking her.
“We should move this to another room,” Monica suggested, while she still had the logical faculties to think clearly. “Unless you want to get caught…”
The image of her husband walking through the door and seeing his wife and sister-in-law being fucked silly on the sofa sent another tremor through Mallory’s body. She loved Dario. Fucking Robert was never intended to hurt him, only to wash away the dirt and grit left behind by unforgiven slights. But somewhere in the middle it had become less about past sins and more about her current pleasure. Pleasure that Dario had never given her. And she realized she was just as weak as everyone else. Despite her hard personality, she wanted that pleasure.
Unfortunately, Robert chose that moment to withdraw his instrument of that pleasure. She let out a low whimper like a kicked dog at the emptiness. An immense, intense emptiness she didn’t even realize she could feel until Robert’s huge dick left her. Rolling off the couch and staggering to her feet, she sped off to the guest bedroom, Monica’s room, as fast as her shaky legs could carry her.
“Hurry…” she panted, though even she was quite sure whether she meant because Dario might be home soon or because she didn’t want to go more than a few seconds without his cock.
Once in the room, Mallory turned around to find Robert and her sister already close behind. Monica was closing the door while Robert pinned her against it, both hands grabbing her face as he pulled her into a deep, wet kiss. The older sister fidgeted nervously. She’d never been in a threesome. Suddenly she became aware of how naked she was, feeling cold and yet aroused as her juices dripped down the inside of her thigh. In the absence of experience, she fell back on an old source of comfort.
“If- if this is to work, we’re gonna need some rules. S-such as who does what, and when, and for how long, for-for instance, which one of us should go first,” she suggested sternly as she watched the pair continue to make out without pause. “And-and punishments. Punishments if you ignore-”
Finally, Robert quietened her controlling voice by reaching out and taking her face in hand too. As he pulled her close, he broke the kiss with Monica and turned his lips upon Mallory. She melted into him, forgetting her rules as he sucked on her tongue. The fact that his other hand was creeping around her sister’s side didn’t bother her at all. The moment they kissed, she was reminded of how his cock felt inside her and she didn’t care that Robert was currently palming her sister’s ass in his wide, firm grip.
It did bother her when he broke the kiss again. She had no idea how long it had been but it felt all too brief compared to how slow time crawled when she watched him kiss her sister. Robert turned his attention back to Monica who had shed her blouse and bra. He held a Campbell in each arm, a naked set of breasts pressed against his strong, broad chest on both sides. A master of multitasking; he kissed Monica deeply as one hand descended from Mallory’s face, trailing a line down her neck, over her collarbone, to her tits, then kneading the fatty sack with his fingers while simultaneously grazing her hard nipple with his thumb, and all the while his other hand slowly dragged down the zipper on Monica’s skirt.
The clothing fell to her ankles, and Monica chuckled breathily as Robert turned again to Mallory. The kiss this time was brief, though he remained attentive to the older sister. Instead of a deep kiss, he planted a small one on her lips, then more on her cheek, then her jaw, nibbling lower and lower as he descended down her neck, following the same path of his fingers now with his lips. The final destination was exactly the same too, though having his tongue wrapped around her nipple felt infinitely better than a thumb.
Beside them, standing only in her lace panties but overdressed compared to her partners, Monica wasn’t about to be left out. Sliding her hand down his manly body, she took his erect cock in hand and slowly began to jerk him. In a matter of seconds her palm was slick with his precum. And just as he had kissed his way down Mallory, so did she begin to kiss upon Robert. First, she marked his neck with her wet lips, then his chest, kissing lower and lower, far below where Robert had stopped. Instead, she kept going until she was on her knees and kissing the head of his cock.
The sensation of Monica’s tongue expertly teasing his exposed glans caused the man to groan against the nipple in his mouth. In turn the vibrations of his voice rippled through Mallory’s teat, and she too moaned out loud. Again Robert’s hands reached out, grasping at both women. The fingers of one hand entwined themselves in Monica’s thick, dark hair, as he gently helped her bob up and down the top half of his long cock. Meanwhile, his other hand slithered down around Mallory’s waist, palming her naked ass and prying apart her cheeks.
Then, without warning, Robert yanked Monica’s mouth from his dick and forcibly turned her head. She gasped as her eyes locked on the pussy in front of her. It was obvious what he wanted. It was so close she could feel the moist heat on her face, smell the heavy musk of arousal overpowering a soapy lemon scent, and see quite clearly how the lips glistened and drooled with her sister’s juices. And that made her hesitate. This pussy belonged to her sister. Her flesh and blood sister. And when she looked into that inviting slit, all she thought of was her own son.
Tasting Mallory really shouldn’t have been a big deal after everything she’d done with Zack. From sucking him off and giving him a titjob in Robert’s office, to being eaten out and providing a footjob in Gregory’s study, Monica had already crossed many incestuous lines with her own blood and spawn. So what was one more? But it wasn’t this act that gave Monica pause, but what it represented. It was a further degradation of family lines. If she did this, how much longer would it be until she crossed that most unholy of unholy lines and gave into her lust? How long until she fucked her own son?
She was thinking, and panting while she thought, her breathing becoming heavier and heavier as she imagined her son on top of her, just as she had seen Robert on top of Mallory on the living room couch. Imagining what her son’s masculine young teenage cock would feel like, and unaware that her heavy breathing was blowing directly onto her sister’s labia.
“M-Mon, ah, don-don’t tease me,” Mallory begged, mistaking the perverted wheezing for intentional titillation.
Above her Monica saw her sister quivering and squirming, badly needing the attention of a tongue. Setting aside her worries, Monica leaned in and swiped her tongue along the slit, parting the labia and tasting the fluids that had just been waiting to gush out. Her tongue ran upwards over the soft, wet lips, until it met her clit, already swollen and hard from fucking Robert. The moment she made contact her sister cried out, her moaning almost becoming a scream at the dual pleasures of the two mouths on her nipple and clit.
Sinking lower again, Monica tasted more of her sister. She lapped at the sticky, sweet juices. It was almost tangy to her tongue, but so delectable that Monica couldn’t stop guzzling it down her throat. The fluids overflowed, dripping over her lips and down her chin, droplets splashing against her bare breasts, reminding her of that first succulent bite into a fresh watermelon. Then came the bitterness. A salty, thick flavor that didn’t belong. Within seconds Monica realized she wasn’t just tasting her sister, but also Robert, or, more accurately, the extensive creampie he had left behind after their first fuck.
Though it was unexpected, Monica didn’t stop licking or sucking at her sister’s pussy. It wasn’t the first time she’d had Robert’s cum sticking to her gums, and it even turned her on a little more to think that she was cleaning the same seed that had bore her son from her sister’s sodden hole. Instead, she kept going, licking and sucking and slurping and lapping, and then she was surprised. It amazed her when his cum kept coming, and she wondered just how much the powerful man had pumped into her sister. It was immense that was for sure. Just drinking it from her sister’s flesh cup made her feel full. It had to be some kind of medical marvel.
“Uhhhh, noooo, no, stop,” Mallory gasped as her legs became shaky and she struggled to stand. “Need…need more.”
Robert’s grip on Monica’s head eased, allowing the woman to separate from her sister’s silky lower lips. Panting gently, Monica turned her head towards, looking into Robert’s sizzling electric eyes from her place on her knees on the floor. Between them, his cock hung in the middle, thick and powerful, and briefly distracting Monica from her thoughts.
“I think…” Monica licked her lips but **** herself to look away from his manhood. “…she’s ready to be fucked.”
Mallory moaned in agreement. Her middle sister had no idea how right she was. Every time the tongue had swiped across her entrance, Mallory was gripped by an intense desire to be filled. Though she tingled between her thighs every time her sister’s tongue almost slipped inside, it wasn’t enough. She needed something longer, thicker and harder. She needed to be fucked, and not just by anything. She needed a cock inside her. Drunk on her cock lust, she could barely even put her desire into words, and resigned herself to another breathless moan. Fortunately, Robert was a master translator.
“Let’s take her to the bed then,” Robert said with a smirk, as he stepped forward and grabbed Mallory.
His hands slid under her thighs and lifted her clear off the floor. Though his muscles bulged, it felt effortless to carry the mature women the few steps towards the bed, where he dropped her unceremoniously onto the mattress and watched her naked breasts jiggle as she bounced against the springs. With another act of ****, he pulled her to the edge, her round, soft ass just hanging off the side. The perfect position for penetration.
Monica wrapped herself around his upper body, an arm stroking his broad chest as she looked down enviously at her sister, and at the fat cock that was about to slide its way inside. He moved his hips, and Monica rolled her body with his, following the rhythm as he rubbed the bulbous head of his cock over her labia. Mallory’s back arched and she cried out already, without him even entering her. Turning his head slightly, Robert whispered to his lover.
“Care to do the honors?”
With a sultry smile, Monica crawled onto the bed, making sure to give Robert a front row seat to her wide, panty clad ass in the air, before she turned and knelt beside her sister. It was obvious even before she reached out and took the hard shaft in her hand that Robert’s dick was rigid and stiff enough to not need any help being guided into Mallory’s gaping, wet hole. And her sister was so soaked that once the cockhead caught her entrance all it took was a gentle thrust of Robert’s hips to pierce her body, with the ease of a knife into soft butter. They didn’t really need her assistance, but Robert was intentionally including her to make their wanton act of infidelity all the more naughty.
So she watched, sitting on the shaking bed, as Robert drove his cock inside her sister. The first few thrusts were slow and tender, allowing the pussy walls to widen around the girth of his member. However, she was so wet, and so willing, that within minutes Robert was slamming into her body with his full length, ploughing as deep as her shallow cunt would allow. She cried out with pleasure when his dick once again pounded upon the entrance to her womb.
Monica had already seen this on the sofa in the living room. But whereas she had avoided looking directly at them then, she now watched openly with glazed eyes and heavy breaths. A hand slipped unnoticed down her body, briefly tweaking her nipples on its way to a more desired prize. Her fingers inched under her panties and touched her own sodden hole. And as much as she had enjoyed watching Robert tease her sister in the living room, it was nothing compared to watching him extract half-screams of pleasure from her as his thick cock made her insides visibly stretch and distend to accept him.
While she was touching herself and watching her lover fuck her sister, a rather licentious question came to her mind; why should she be the only one to cross taboo lines? What was good for the goose is good enough for the sister, she decided as she looked at her sibling’s mouth, open in a gasp and completely free when it could busy licking her pussy. Once the thought entered her head she couldn’t get it out. She couldn’t stop staring at her sister’s tongue, watching it wriggling from side to side, and remembering how good Zack’s tongue had felt on her body just that morning.
“You guys look so good together, it’s getting me so hot,” Monica said, already sliding her panties down as she pulled her legs out from underneath herself and drew the underwear off her long, smooth legs. “Care to help me out, Mal?”
Before Mallory could give and answer, Monica swung her leg over Mallory’s face and the middle sister planted her pussy down on the elder’s mouth. Below her, Mallory inhaled sharply, possibly in shock and no doubt breathing in her aroused scent, which in turn send a delighted shudder up Monica’s spine. Maybe Mallory was distracted by the large cock plumbing her depths, or perhaps she was hesitating for the same reason Monica did, but after several seconds she felt her sister’s tongue reach out and slide between her pussy lips.
Opposite her, Robert held Mallory’s legs open, a thigh in each hand, as he hammered his cock into the sloppy hole in between. Appreciating her initiative, he opened his mouth into a grin, baring gritted teeth as he focused on drilling Mallory harder and harder, until the bed shook, her pussy squelched, their flesh clapped, and her voice, muffled now by Monica’s ass, screamed.
The view was nice too. With Monica squatting on top of her sister’s face, the similarities and differences of their bodies became highlighted. They both had good figures, naturally top heavy and curved around the waist and hips, but Monica’s youth belied a slightly tighter form, and being a doctor rather than an administrator clearly afforded her more time to work out. Her tits too were rounder and fuller, whereas Mallory’s had just begun to sag slightly, though they were still fat and soft enough that he wouldn’t have said no to having them wrapped around his cock. Then there was Monica’s face. Less serious and strict than Mallory’s and less dominated by a near perpetual frown, her blue eyes twinkled mischievously while the corners of her open mouth curved into a devious, panting smile. Of course, he couldn’t quite see Mallory’s face at the moment.
He could hear her though. Beneath the lapping of her tongue against Monica’s slit he heard the muffled moans, rising continuously in both volume and pitch. Between her voice and the firm spasms of her inner walls around his shaft, he could tell that she was close, and that knowledge spurred him on. He fucked her harder, and faster, ramming his cock deep into that already swollen opening.
“Ccmmmmmnnnnngggggg” Mallory cried out into her sister’s pussy as she felt his dick rub against every inch of her insides. A burst of electric pleasure surged forth into every corner of her body.
The instant she came her pussy clamped down on his cock, and that was all he needed to be sent over the edge too. He slammed his hips against her uncontrollably, his whole body jerking as his shaft pulsed within her, and his cum erupted from his balls. The member swelled, becoming harder and stiffer for a moment, throbbing as his cockhead opened and spewed out thick, creamy seed. She felt the warmth flood her insides as it splashed against her walls, the sensation drawing another loud moan from her throat.
Although her tongue had stopped working on Monica’s slit, the vibrations of her voice as she moaned hard against her sister’s sticky labia pushed her sibling towards her own orgasm. While it was less pronounced than Mallory’s, since nothing could make her cum like a cock, Monica still shivered and shook as she climaxed upon her sister’s face. Her insides flooded with her juices, becoming so wet that it leaked out and dripped directly onto Mallory’s tongue, and lips, and chin until her sister’s lower half of her face was gently glazed in the erotic, taboo fluid.
Together the three of them came. They held that position, all of them shaking or bucking or writhing under their own individual pleasure that fed into a collective ecstasy. Each one rode their climax until the end when, one by one, they came down from their delicious high. Monica was first, as she rolled off Mallory’s face, allowing her sister to once more breathe freely, and stared hungrily at Robert’s cock. He was next, as he withdrew his cock from the sloppy hole, and watched as her tight inner walls constricted, trying in vain to resume its previous shape. Instead all her body managed to do was squeeze out globs of his gooey, white seed where it dripped onto the carpet below. Mallory came down from her orgasm last, although it was difficult to tell. She barely moved, still sprayed cross the bed, flushed red and breathing heavy completely spent and satisfied.
Robert however was not done. Despite his age, his virility was unmatched and even after having cum hard twice, his impressive cock still stood quite hard and almost fully erect, ready to bring pleasure to more women. He waited at the edge of bed, so Monica decided to take the opportunity into her own hands, quite literally.
“Mmm, looks like it’s finally my turn,” she said with a lick of her lips as she crawled towards the side of the bed and reached out to wrap her fingers around his thick shaft.
Robert raised a hand of his own, to quieten her though. He cocked his head towards the front of the house.
“Do you hear that?”
This time it wasn’t the sound of keys, but rather an engine. A truck was pulling into the driveway at the front of the house. Recognizing the sound of that motor, one she heard every day, Mallory bolted upright, adrenaline and fear of being caught overriding any lingering sensations of contentment.
“Oh no, Dario’s home!”
Have the trio been caught? Is Robert about to wreck another marriage?
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At the Cabin
The story of a group of friends spending some sexy times at a cabin by the lake or the nearby town where they all live
The story of a group of friends spending some sexy times at a cabin by the lake or the nearby town where they all live.
Updated on Dec 16, 2025
by syncmaster69
Created on Sep 4, 2014
by Duskford
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