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The Big Black Bull - Part One (fm:interracial, 4997 words)

Author: Thomas Spencer Picture in profile
Added: Sep 20 2025Views / Reads: 942 / 874 [93%]Story vote: 9.09 (7 votes)
Mark's deepest, darkest fantasy is about to come true... After confessing his desire to watch his wife Sarah be thoroughly dominated by a well-hung black bull, their marriage is rocked by erotic new possibilities. Sarah explores her pent-up lust as s
 


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things haven't been great between us lately. The sex, I mean."

 

Sarah felt a flush creep up her neck, embarrassed and defensive all at once. "It's not that bad," she said weakly, looking away.

 

"It is," Mark insisted, reaching out to take her hand. "And I think I know why."

 

Sarah met his gaze, confusion and trepidation warring in her chest. "What do you mean?"

 

Mark took another deep breath, as if steeling himself for what he was about to say. "I...I think I'm a cuckold," he said finally, the words tumbling out in a rush. "I think I get off on the idea of you being with other men."

 

Sarah stared at him, her mouth agape. "What? Mark, what are you talking about?"

 

"I've always been jealous when other men look at you," he explained, his eyes downcast. "But it's not the regular kind of jealousy. It's...it's more than that. It turns me on to think about you with someone else. Someone better than me."

 

Sarah felt a wave of disbelief wash over her. This was her husband, the man she'd been married to for nearly two decades. How could he feel this way? And why was she suddenly feeling a flutter of excitement in her stomach?

 

"I don't know what to say," she said finally, her voice barely above a whisper.

 

"I know it's a lot to take in," Mark said, squeezing her hand. "But I thought maybe...maybe we could try it. Just once. To see how it feels."

 

Sarah's mind raced, a thousand thoughts swirling through her head. Could she really do this? Could she really sleep with another man, with her husband's blessing?

 

And yet, as she looked into Mark's hopeful eyes, she felt a spark of desire ignite deep inside her. The idea of being with someone new, someone exciting and different - it was thrilling in a way she hadn't felt in years.

 

"Okay," she said finally, her voice shaky but determined. "Let's try it. Just once."

 

Mark's face broke into a wide grin, his eyes shining with relief and excitement. "Thank you," he said, pulling her into a tight embrace. "You won't regret it, I promise."

 

As Sarah held him close, she couldn't help but wonder what she was getting herself into. But one thing was for sure - their stale, boring sex life was about to get a whole lot more interesting.

 

Sarah pulled away from Mark's embrace, her mind still reeling from his confession. "I need some time to process this," she said, her voice shaky. "It's a lot to take in."

 

Mark nodded, his expression understanding. "Of course. Take all the time you need. Just...think about it, okay? Think about what it would be like."

 

Sarah closed her eyes, a mental image forming in her mind. Her, naked and writhing beneath the body of a strong, virile man. Mark, watching from the corner of the room, his eyes dark with desire as he touched himself.

 

The thought sent a shiver down her spine, and she opened her eyes to find Mark looking at her intently. "I'll think about it," she promised, her voice barely above a whisper.

 

As the day wore on, Sarah found herself unable to concentrate on anything else. She went through the motions of her daily routine - dropping the kids off at school, running errands, preparing lunch - but her mind was elsewhere.

 

She couldn't stop thinking about Mark's words, about the idea of being with another man. It was thrilling and terrifying all at once, a fantasy she had never dared to indulge in before.

 

As she sat at her computer later that afternoon, a sudden impulse overtook her. She opened up a web browser and began to type, her fingers flying across the keyboard.

 

"Cuckold fantasies," she typed into the search bar, her heart pounding in her chest.

 

The results were overwhelming, a treasure trove of stories and images and videos. Sarah clicked on the first link, her eyes widening as she read the lurid details of a wife's affair with her husband's best friend.

 

She felt a dampness between her legs as she read, her breathing quickening. She knew it was wrong, but she couldn't help herself. The idea of being wanted, desired, lusted after - it was intoxicating.

 

She clicked on another link, this one leading to a video of a woman being gangbanged by a group of men while her husband watched helplessly. Sarah felt a surge of heat as she watched the woman moan and scream in ecstasy, her body wracked with pleasure.

 

She knew she should stop, that she was only fueling the flames of her desire. But she couldn't. She needed more, needed to know what it would feel like to be in that woman's shoes.

 

She spent hours lost in the world of cuckold porn, her mind consumed with fantasies of being dominated and defiled. By the time she finally closed the browser, she was soaked and shaking, her body aching for release.

 

She knew then that she had to do it. She had to experience the thrill of being with another man, of being wanted in a way that Mark could never want her.

 

But she also knew that it wouldn't be easy. There would be guilt, and shame, and fear. But there would also be pleasure, and excitement, and the knowledge that she was living out a fantasy that most women only dreamed about.

 

She waited until Mark came home from work that evening, her nerves coiled tight with anticipation. They sat at the kitchen table, picking at their dinner in silence.

 

Finally, Sarah took a deep breath and spoke. "I've been thinking about what you said earlier," she began, her voice trembling slightly. "About the cuckold thing."

 

Mark looked up at her, his eyes wide with hope. "And?"

 

"And...I think I want to try it," she said, her voice barely above a whisper. "I think I want to be with someone else."

 

Mark's face broke into a wide grin, and he reached across the table to take her hand. "Really? You do?"

 

Sarah nodded, a flush creeping up her neck. "But I'm scared," she admitted. "I don't know how to do this. I don't know where to start."

 

Mark squeezed her hand, his expression understanding. "We'll figure it out together," he promised. "I'll be with you every step of the way."

 

Sarah felt a rush of relief wash over her, followed by a surge of excitement. This was really happening. She was really going to go through with it.

 

As they finished their dinner and retired to the living room, Sarah couldn't help but wonder what the future held. Would Mark really be okay with her being with another man? Would she really be able to go through with it?

 

But as she looked over at him, his eyes shining with love and acceptance, she knew that she could do anything as long as he was by her side.

 

The next few weeks passed in a blur of excitement and anxiety. Sarah and Mark spent hours discussing the details of her cuckold lifestyle - what kind of man she wanted to be with, what kind of things they wanted to try.

 

Mark took charge of finding the perfect partner for Sarah, poring over online dating profiles and setting up discreet meetings. Sarah found herself intrigued by the process, eager to meet the man who would change her life forever.

 

Finally, the day arrived. Sarah got dressed in a tight dress that hugged her curves, her heart pounding with anticipation. Mark drove her to the meeting place, his hands gripping the steering wheel tightly.

 

As they pulled up to the hotel, Sarah took a deep breath and turned to face him. "Are you sure about this?" she asked, her voice trembling.

 

Mark nodded, his eyes shining with determination. "I've never been more sure of anything in my life," he said. "This is what we both want. What you both need."

 

Sarah leaned over and kissed him softly, pouring all of her love and gratitude into the gesture. Then she got out of the car and walked towards the hotel entrance, her head held high.

 

She didn't know what the future held, but she knew that she was ready to face it head-on. Ready to embrace the thrill of the unknown, ready to experience pleasure in ways she had never imagined.

 

As she stepped into the lobby and saw the man who would be her first cuckold bull waiting for her, she felt a wave of desire wash over her. This was it. This was the beginning of a new chapter in her life.

 

And she couldn't wait to see where it would lead.

 

Sarah's breath caught in her throat as she laid eyes on the towering, muscular figure of the bull Mark had arranged for her. He was everything she had fantasized about and more - tall, dark, and devastatingly handsome, with rippling abs and biceps that strained against his tight t-shirt. His black skin glistened under the hotel lobby lights, and his deep, soulful eyes seemed to pierce straight through her.

 

"Hi there," Sarah said breathlessly, extending her hand. "I'm Sarah."

 

The bull took her hand in his, engulfing it completely. His grip was firm and warm, sending a shiver down her spine. "Pleasure to meet you, Sarah," he replied, his voice a low, seductive rumble. "I'm Marcus."

 

Sarah felt her knees go weak as he led her towards the elevators, his hand resting possessively on the small of her back. As they stepped into the empty car, Marcus pressed the button for the top floor and turned to face her.

 

"You're even more beautiful than I imagined," he murmured, his eyes roving over her body appreciatively. "Mark didn't do you justice."

 

Sarah blushed, flattered by the compliment. "Thank you," she said shyly. "And thank you for doing this. For me, I mean."

 

Marcus smirked, his hand sliding down to cup her ass. "Oh, it's my pleasure, baby. Trust me."

 

As the elevator dinged open, Sarah felt a surge of nervous excitement. This was really happening. She was really going to sleep with another man, with her husband's blessing.

 

Marcus led her down the hallway to his room, swiping his key card and pushing open the door. Sarah stepped inside, her eyes widening at the opulent suite that greeted her.

 

Marcus closed the door behind them and turned to face her, a predatory gleam in his eye. "Strip for me," he commanded, his voice leaving no room for argument.

 

Sarah hesitated for a moment, suddenly feeling shy. But the look in Marcus's eyes spurred her on, and she reached for the zipper of her dress.

 

Slowly, teasingly, she slid the garment down her body, revealing inch after inch of creamy skin. She let it pool at her feet before stepping out of it, standing before Marcus in nothing but a pair of lacy panties and a strapless bra.

 

Marcus let out a low whistle of approval, his eyes devouring every curve and contour of her body. "Fuck, you're perfect," he growled, reaching out to cup her breasts through the thin lace of her bra. "I can't wait to get my hands on you."

 

Sarah gasped as he roughly squeezed her tits, her nipples hardening instantly beneath his touch. She arched into him, craving more contact, more stimulation.

 

As if reading her mind, Marcus reached around and unhooked her bra, letting it fall to the floor. Her breasts sprang free, heavy and full, and he wasted no time in capturing one rosy peak between his lips.

 

Sarah cried out in pleasure as he sucked and nibbled at her sensitive flesh, his other hand kneading and tugging at her other breast. Sparks of electricity shot straight to her core, and she could feel her panties growing damp with arousal.

 

Marcus pulled away after a few minutes, leaving Sarah panting and wanting more. He smirked at her expression of frustration before reaching down and tearing her panties off with one swift tug.

 

"Fuck, look how wet you are already," he marveled, his fingers delving into her slick folds. "You really are a dirty little slut, aren't you?"

 

Sarah could only moan in response, too far gone in her lust to form coherent words. She widened her stance, giving Marcus better access to her aching pussy.

 

He pumped two fingers in and out of her, crooking them just right to hit that sweet spot deep inside her that made her see stars. His thumb circled her clit, sending shockwaves of pleasure through her body.

 

"Mmm, you taste good," Marcus purred, bringing his fingers to his mouth and sucking them clean. "I can't wait to fuck this sweet little cunt with my big, black cock."

 

Sarah whimpered at the thought, her pussy clenching around nothing. She needed him inside her, needed to be stretched and filled and fucked senseless.

 

As if reading her mind, Marcus pushed her onto the bed and climbed on top of her, his massive cock springing free from his pants. Sarah's eyes widened at the sight of it - thick and long and beautifully dark, with a bulbous head that wept with pre-cum.

 

"Oh my God," she breathed, reaching out to wrap her hand around his shaft. "You're huge."

 

Marcus chuckled, rocking his hips into her grip. "And you're about to take every inch of it like a good little wife," he promised darkly.

 

With that, he positioned himself at her entrance and thrust forward, burying himself balls-deep in her tight cunt with one powerful stroke.

 

Sarah screamed in ecstasy as he stretched her beyond what she thought possible, his girth splitting her open in the most delicious way. She could feel every ridge and vein of his cock as he started to move, pistoning in and out of her at a brutal pace.

 

"Fuck yes, take that dick," Marcus grunted, pounding into her with abandon. "Take it like the desperate little slut you are."

 

Sarah could only babble incoherently in response, lost in a haze of pleasure as Marcus fucked her within an inch of her life. She wrapped her legs around his waist, urging him deeper, harder, faster.

 

He obliged her, slamming into her so hard the headboard banged against the wall. The obscene sound of skin slapping against skin filled the room, mingling with their moans and grunts and the slick, squelching noises of Marcus's cock plunging into Sarah's sopping pussy.

 

"Oh fuck, oh fuck," Sarah chanted, feeling her orgasm building at the base of her spine. "Don't stop, please don't stop."

 

Marcus seemed determined to draw out her pleasure for as long as possible, fucking her through one mind-blowing climax after another. By the time he finally allowed himself to come, Sarah was nothing more than a quivering, whimpering mess beneath him.

 

With a guttural roar, Marcus buried himself to the hilt in Sarah's fluttering cunt and came, his hot seed erupting deep inside her in thick, heavy spurts. Sarah could feel him twitching and pulsing as he emptied himself in her, his cock head kissing her cervix with each powerful jet of cum.

 

Finally, spent and sated, Marcus collapsed on top of her, his softening cock still buried in her well-fucked pussy. They lay like that for a few moments, panting and gasping for breath as they came down from their respective highs.

 

But Marcus wasn't finished with Sarah yet. With a wicked grin, he flipped her over onto her stomach and yanked her hips up into the air, exposing her tight little asshole to his hungry gaze.

 

"I think it's time I took this sweet ass for a ride," he purred, spitting crudely into his palm and working some of his own saliva into the puckered hole. "I want to make sure you're thoroughly used by the time your husband comes to clean up my mess."

 

Sarah whimpered in anticipation, reaching back to spread herself open for him. She had never been taken anally before - Mark had always been too timid to attempt it - but the thought of Marcus's massive cock spearing into her virgin ass made her dizzy with desire.

 

Marcus wasted no time in pushing two thick fingers into her tight hole, scissoring them and stretching her out for his cock. Sarah yelped at the sudden intrusion, but quickly melted into the familiar throb of pleasure-pain.

 

"Relax, baby," Marcus coached, pumping his fingers in and out of her ass. "Just focus on breathing and let me in."

 

Sarah took a deep breath and forced herself to relax, focusing on the feel of Marcus's fingers invading her most intimate place. After a few moments, she felt the head of his cock pressing against her entrance, the blunt tip nudging insistently at her resistant sphincter.

 

"Fuck," Marcus grunted as he began to push forward, slowly but inexorably working his way into Sarah's tight passage. "You're so fucking tight back here. Goddamn."

 

Sarah cried out as he breached her, the burning stretch of his cock splitting her open nearly unbearable. But as he paused to let her adjust, she felt a strange kind of pleasure building deep in her core - dark and taboo and utterly delicious.

 

"Please," she begged, arching back into him. "Please fuck my ass."

 

Marcus needed no further encouragement. With a low groan, he started to move, pulling out slowly before slamming back into her with a force that rattled her very bones.

 

Sarah wailed in ecstasy as he fucked her ass with deep, powerful strokes, each one sending jolts of pleasure-pain ricocheting through her body. She could feel every thick inch of him sawing in and out of her most intimate depths, igniting nerves she never even knew she had.

 

"Take it, slut," Marcus growled, gripping her hips hard enough to leave bruises. "Take my big black cock in your greedy little asshole."

 

"Yes," Sarah hissed through clenched teeth, pushing back to meet his thrusts. "Fuck my ass harder. Ruin me for my husband."

 

Marcus let out a feral snarl at that, doubling his efforts and pounding into Sarah like a jackhammer. The bed creaked ominously beneath them, the headboard banging against the wall with each savage thrust.

 

Sarah could feel another orgasm building at the base of her spine, more intense than anything she had ever experienced before. It swelled and grew, centered in the burning heat of Marcus's cock splitting her open, until finally it exploded through her with the force of a nuclear bomb.

 

She screamed until she was hoarse as she came harder than she ever had in her life, her cunt gushing and her ass clenching rhythmically around Marcus's pistoning shaft. He followed a split second later, burying himself to the hilt in her spasming hole and flooding her with what felt like gallons of hot cum.

 

They collapsed together in a sweaty heap on the bed, chests heaving as they struggled to catch their breath. Sarah could feel Marcus's cum leaking out of her ass and pussy as they lay there, marking her as thoroughly owned and used.

 

Finally, after what felt like hours but was probably only minutes, Marcus pulled out of her and flopped onto his back beside her. Sarah rolled over onto her side to face him, marveling at the sheer size of him - from his broad shoulders to his washboard abs to his semi-hard cock resting against his thigh.

 

"Holy shit," she breathed, reaching out to run her fingers along his arm. "That was...incredible."

 

Marcus smirked at her awed expression, looking utterly smug and satisfied. "I'm glad you enjoyed yourself," he said smoothly. "And I have a feeling your husband is going to enjoy this next part even more."

 

Sarah's eyes widened as she remembered that Mark was waiting in the next room, ready to clean up the mess she had made with another man's cock. The thought sent a thrill through her - she couldn't wait to see the look on his face when he saw how thoroughly Marcus had claimed her.

 

With a groan of effort, Sarah rolled out of bed and staggered to the bathroom on shaking legs. She quickly cleaned herself up before grabbing a towel and heading out into the hallway.

 

Mark was waiting outside the door, looking nervous but excited. His eyes widened as Sarah approached him, taking in her disheveled appearance and the faint traces of cum still clinging to her skin.

 

"Come on," she said softly, taking his hand and leading him back into the room. "I have a surprise for you."

 

Marcus was lounging on the bed when they entered, looking utterly at ease in his nudity. Mark's gaze immediately zeroed in on his softening cock, which was still coated in Sarah's ass juices.

 

"Looks like you had quite the time with my wife," Mark said, his voice tight with a mixture of arousal and jealousy.

 

Marcus grinned wolfishly at him. "She's a fucking dream come true," he agreed. "And I'm not done with her yet."

 

Mark's eyes widened as Marcus reached for Sarah again, pulling her back onto the bed and spreading her legs wide. He could see the puffy state of her pussy and asshole - both gaping and dripping with cum - and felt a fresh surge of blood rushing to his own cock.

 

"Clean me up," Marcus commanded, gesturing towards Sarah's ravaged holes. "Lick up every drop of my cum like a good little cuck."

 

Mark hesitated for a moment before dropping to his knees between Sarah's splayed thighs. He looked up at her pleadingly, seeking permission.

 

Sarah nodded encouragingly at him, reaching down to stroke his hair. "Go on," she urged softly. "Clean me up so I can go home to our bed."

 

Mark needed no further prompting. He leaned forward and tentatively ran his tongue along Sarah's puffy slit, lapping up the mixed fluids leaking from her abused holes. The taste was musky and slightly bitter - undeniably male - and it sent a shiver down his spine.

 

He continued to lick and suck at Sarah's tender flesh for several long minutes, worshipping every inch of it until she was clean and shiny once more. When he finally pulled away, his chin was slick with cum and his own cock was rock hard in his pants.

 

Marcus chuckled darkly at Mark's obvious arousal. "Look at you," he taunted. "So hard you must be in pain. And for what? Watching another man use your wife like the dirty little slut she is."

 

Mark flushed but held Marcus's gaze steadily. "I know my place," he said simply. "Sarah belongs to you now."

 

Marcus smirked at that, reaching down to stroke his cock back to full hardness. "That's right," he agreed. "And I'm going to make sure she never forgets it."

 

With that, he pushed Sarah back onto the bed and rolled on top of her once more. Mark watched transfixed as Marcus positioned himself at Sarah's entrance and slid home with a grunt of satisfaction.

 

This time was slower, more sensual - but no less intense. Marcus took his time fucking Sarah, drawing out every thrust and savoring every inch of her wet heat. He caressed her body with reverent hands, worshipping every curve and valley until she was mewling and writhing beneath him.

 

Mark couldn't take his eyes off them as they made love - or rather as Marcus made love to Sarah while he watched helplessly on the sidelines. He felt like an intruder in his own marriage, a third wheel in the passionate coupling before him.

 

But he also couldn't deny the arousal that coursed through him at the sight - the way Marcus's strong hands gripped Sarah's hips as he thrust deep into her willing body; the way Sarah arched into every touch like a cat in heat; the erotic sound of skin slapping against skin as Marcus drove into her again and again.

 

He could feel his own cock throbbing painfully in his pants as he watched them fuck like animals in heat - Sarah's breathy moans mingling with Marcus's low grunts until the room was filled with nothing but their carnal cries.

 

It seemed like hours later when Marcus finally reached his peak once more, spilling himself deep inside Sarah's quivering pussy with a low groan of satisfaction. Sarah followed a moment later, clamping down on Marcus's twitching cock as she came apart beneath him.

 

They collapsed together on the bed in a tangle of sweat-slick limbs, their chests heaving as they struggled to catch their breath. Mark stood awkwardly to the side, unsure what to do or say.

 

Finally, Marcus rolled off Sarah with a low chuckle. "Thanks for sharing your wife with me tonight," he said to Mark with a smirk. "She was incredible."

 

Mark could only nod mutely in response, his mind still reeling from everything that had happened. He reached down to help Sarah off the bed, wrapping a towel around her naked body as she swayed on unsteady feet.

 

Together they made their way out of the hotel room and back down to the car in silence. It wasn't until they were safely ensconced in the privacy of their own home that either of them spoke.

 

"You okay?" Mark asked tentatively as they climbed into bed side by side.

 

Sarah rolled over to face him with a soft smile. "I'm more than okay," she assured him. "That was...life-changing."

 

Mark reached out to tuck a strand of hair behind her ear, his fingers lingering on her cheek. "I'm glad," he said simply. "And I meant what I said earlier - you belong to Marcus now. To all our bulls."

 

Sarah shivered at the possessive note in Mark's voice, a fresh surge of desire pooling low in her belly. "Yes," she agreed breathlessly. "I do."

 

They lay together in the darkness for a long moment before Sarah spoke again. "When can we do this again?" she asked, her voice filled with eager anticipation.

 

Mark chuckled low in his throat. "Soon," he promised. "Very soon."

 

With that reassurance, Sarah drifted off to sleep, dreaming of dark skin and musky scent and the delicious ache between her thighs.

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