Chapter 9: Making Mark Infertile
Conner's penis presses hard against a woman's spasming cervix. We can hear muffled noises outside the vaginal canal.
Conner's thick shaft throbs and pulses against the quivering flesh. Veins stand out in stark relief along the length of his cock, pulsing with each beat of his heart. The bulbous head glistens with a mixture of pre-cum and the woman's arousal, angry and purple as it strains against her cervix.
The woman's inner walls flutter and clench around Conner's impressive girth, rippling with waves of pleasure. Her cervix twitches and spasms, tiny droplets of moisture bead along the sensitive tissues, evidence.
Suddenly, a muffled roar echoes through the intimate space as Conner's shaft visibly expands, the thick veins pulsing even more prominently against the woman's quivering walls. His cock swells to its absolute limit, stretching her inner tissues to their maximum capacity.
The bulbous head of his penis flares dramatically, the sensitive glans expanding like a blossoming flower. The woman's cervix responds in kind, dilating slightly to receive his offering.
In an explosive burst, a torrent of pearly white semen erupts from Conner's urethra. The first powerful jet slams against her cervix with incredible force, splattering and coating the sensitive tissues. Wave after wave of thick, virile cum follows, each spurt more intense than the last.
As Conner's orgasm reached its peak, his cock pulsed and throbbed with primal intensity. The woman's cervix seemed to come alive, undulating and twitching as it eagerly accepted each powerful jet of his potent seed.
Rope after rope of thick, pearly semen erupted from Conner's flared glans, slamming against her cervix with incredible force. The sheer volume was staggering. It splashed and coated every crevice of her intimate tissues, quickly filling her vaginal canal to overflowing.
The woman's cervix dilated further, its opening now a hungry mouth desperately sucking at the head of Conner's cock. Each spurt of cum was greedily swallowed up, pulled deep into her welcoming womb.
Aphrodite's voice broke the silence, her tone urgent and concerned as she spoke directly into Conner's ear. "Conner, I am detecting something unusual in your reproductive system."
As Aphrodite spoke, Conner felt a sudden intense pressure in his taint, a trembling sensation deep within as his muscles seemed to pump more slowly and forcefully. He gasped, his eyes widening with surprise and discomfort. "What's happening?" he asked, his voice tight with the effort of maintaining his composure.
Aphrodite's voice sounded in his ear, her tone urgent. "Conner, I am detecting an unusual swelling in your prostate and seminal vesicles. It appears... I'm not exactly sure..."
Aphrodite's voice responded, a hint of trepidation in her usually confident tone. "Conner, your prostate and seminal vesicles are... expanding. They are producing a much thicker, more viscous fluid than before."
Conner felt a sudden pulsing sensation deep in his lower abdomen, a pressure that built and released with each heartbeat. His entire taint began to strain, the muscles clenching and unclenching as something within him churned and pulsed. He grunted, his grip on the woman's hips tightening as he fought to maintain control.
Aphrodite's voice was urgent in his ear, "Conner, be warned. The fluid in your prostate and seminal vesicles has altered significantly. Whatever you are about to ejaculate will be unlike anything you have experienced before. The sensation of its travel through your urethra will be vastly different."
Conner's eyes widened in surprise and apprehension, but the warning only served to heighten his arousal. The woman beneath him moaned, her body writhing as she felt his cock throb and pulse within her.
"What do you mean, Aphrodite?" Conner asked, his voice tight with the effort of holding back his impending orgasm.
"I cannot accurately predict the sensations you will experience, Conner. But I assure you, it will be...
Conner had no time to process Aphrodite's words, for the sensation that followed was unlike anything he had ever experienced. He felt a sudden, intense pressure deep in his balls and taint, as if something was being forced up from the very depths of his being.
His legs quaked, his knees threatening to buckle as a tremor of pleasure coursed through him. He let out a massive moan, his body tensing as the fluid began to be pumped up slowly from the base of his shaft.
The sensation was overwhelming, a slow, steady pressure that built with every pulse. His cock throbbed and twitched in time with the rhythm, his veins standing out in stark relief as they strained with the effort. The woman beneath him cried out, her body convulsing as she felt the changes in his cock.
Conner's eyes widened in shock and awe as he felt an insane contraction in his prostate, the pressure unlike anything he had ever experienced.
He let out a strangled moan, his body tensing as his penis began to spew the new fluid. It emerged from the tip of his cock in long, thick ropes, each one sending a jolt of pleasure through him. He could feel it splatter against her cervix, the impact causing her to gasp and writhe beneath him. The sensation was intense, the fluid thick and viscous, coating every inch of her intimate tissues.
"Fuck!" Conner grunted, his grip on her hips tightening as he fought to maintain control. His body shuddered and twitched, each contraction sending another burst of his new bodily fluid into her.
Aphrodite's voice rang with awe in his ear, "Conner, your semen, it's... changing. It's becoming a sealant, clogging her cervix. Conner's eyes widened in disbelief as he felt the viscous fluid coating her insides, his cock spewing it in thick, glue-like jets.
He could feel the pressure building within him, his body aching with the effort of expelling this new substance. The woman beneath him cried out, her body convulsing as the fluid filled her, her cervix now entirely coated and closed off. Conner's heart raced, his mind reeling from the sudden turn of events. He looked down at her, his eyes searching hers for an answer.
Aphrodite's voice was resolute in his ear. "Your body appears to be biologically adapating to the primal challenge presented by Whitney's boyfriend, who is asleep downstairs as you attempt to impregnate her."
Conner's eyebrows shot up in surprise, but before he could question Aphrodite, his cock began to spasm violently, sending another pulse of his new, thick fluid deep into Whitney's cunt. He grunted, his face contorting with the effort of not crying out.
He swore under his breath, his hips stuttering as his cock continued to spew its altered load.
"Shit, Aphrodite, what the fuck is happening?" he panted, his body shuddering with each release of his new, viscous semen.
Aphrodite's voice was soothing in his ear, "This... fluid... it's designed to ensure that Whitney's boyfriend cannot ejaculate his sperm through her cervix."
Conner's cock twitched, another rope of his altered cum erupting from the tip. He could feel it, thick and gluey, clogging Whitney's cervix and sealing it shut.
"Press the fluid firmly against her cervix with the tip of your penis, Conner," Aphrodite's voice instructed, a hint of urgency in her tone.
Conner's eyes narrowed in concentration as he followed her command, angling his cock to press the rapidly congealing substance directly against Whitney's cervix. He could feel the resistance, the give of her flesh as he pushed against her.
Whitney beneath him moaned, her body shuddering as she felt the intensity of Conner's actions.
Suddenly, Aphrodite's voice cut through the haze of their passion, urgent and alarmed, "Conner, footsteps are approaching the room. Whitney's boyfriend has woken up. Withdraw your penis immediately and take refuge in the closet."
Conner's eyes snapped open, his heart pounding in his chest. He quickly pulled out of Whitney, his cock slick with his new, altered fluid. He scrambled off the bed, his mind racing as he tried to process what was happening.
Without a moment's hesitation, he rushed to the closet, throwing open the door. He slipped inside, his heart pounding like a drum in his chest. He could hear the footsteps growing louder, as a man cleared his throat in the hallway. He held his breath, his body tense and ready to spring into action if necessary.
He stood there, his naked body concealed by the clothes hanging around him, his cock still glistening with the evidence of his recent orgasms.
He listened intently, his heart pounding in his chest as he heard the sound of the bedroom door opening.
"Whitney," a male voice called out, "Are you in here?"
Conner's eyes narrowed as he heard the man's footsteps. He could see the man's reflection in the dresser mirror, his eyes scanning the room as he approached the bed.
Whitney, her face flushed and her hair disheveled, pulled the covers up to her chin, a small smile playing at the corners of her lips. "Mark," she said, her voice soft and warm, "I was just about to come find you."
She leaned up, her arms wrapping around his neck as she greeted him with a gentle kiss on the lips. Conner watched from his hiding spot in the closet, his heart pounding in his chest as he tried to process the sudden turn of events. He knew that if Mark found him here, he'd be in serious trouble. He could only hope that Whitney had the situation under control.
Mark returned her kiss briefly before pulling away, a smirk playing at the corners of his mouth. "I could tell," he said, his eyes darting down to the bed cover over her naked body.
"You were up to something."
Whitney smiled, her fingers lightly brushing against the fabric of his shirt. "I was just... finishing something I started earlier," she said with a playful smile.
Mark's smirk widened as his eyes narrowed, his gaze turning predatory. "Oh, really? And what might that be?"
Mark asked, his voice laced with amusement as he ran a hand through her disheveled hair. Whitney's smile widened, her eyes sparkling with mischief as she slowly lowered the covers, revealing her naked body and the glistening evidence of her recent activities. "I was trying out a new lube," she whispered, her fingers tracing the line of his jaw, "Rubbing myself to see how it felt."
Mark's eyes widened in surprise, his gaze immediately drawn to her swollen, glistening pussy. He swallowed hard, his cock twitching in his pants as he took in the sight before him. "And... how did it feel?" he asked, his voice thick with desire.
Conner's heart pounded in his chest as he watched the scene unfold before him, hidden within the closet.
Whitney reached down, her fingers splaying as she ran them languidly through the thick, viscous fluid that coated her swollen pussy. Her eyes locked onto Mark's as she lifted her fingers, glistening with Conner's new reproductive fluid. "Taste it," she whispered, her voice sultry and inviting.
Mark's eyes widened in surprise, his gaze flicking between Whitney's fingers and her face. He hesitated for a moment, a hint of uncertainty flashing across his features.
Whitney smiled, a playful glint in her eyes as she slowly brought her fingers towards his lips. "Come on, Mark," she purred, her voice laced with desire.
"It's safe to swallow."
Whitney coaxed, her voice a husky whisper as she brought her fingers closer to Mark's mouth. "It's safe, I promise."
Mark hesitantly licked her fingers, his eyes locked onto hers as he tasted the unfamiliar substance. He pulled back slightly, his eyebrows furrowing as he tried to identify the taste. "It's... really thick, and sweet," he murmured, his cock twitching in his pants as the unfamiliar flavor danced on his tongue. "And... warm."
Whitney smiled, a gleam of triumph in her eyes. "It's special, Mark. Made just for tonight. For you and me." Whitney purred, her voice laced with desire.
Mark's eyes darkened, his cock straining against the confines of his pants. He licked her fingers again, more eagerly this time, his tongue swirling around her digits as he cleaned them of Conner's natural sealant.
"Fuck, that's hot," he growled, his voice thick with lust. "I want to taste it directly from the source."
Whitney smiled, her eyes never leaving his as she slowly guided his hand between her legs. "Go ahead, Mark. Taste me," Whitney whispered, her voice thick with desire. She spread her legs wider, inviting him to explore her glistening, swollen pussy.
Mark obliged, his eyes fixed on the sight before him as he dropped to his knees. He leaned in, his tongue snaking out to lap at the thick, viscous fluid that coated Whitney's pussy. He groaned, the unfamiliar taste and texture driving him wild.
"Fuck, that tastes good," he murmured, his tongue probing deeper, eager to taste more.
Whitney gasped, arching her back and spreading her legs wider, giving him full access. "That's it, Mark. Lick it all up. Taste my pussy, feel how wet I am for you."
Mark groaned, his cock throbbing in his pants as he obliged. His tongue lapped at her folds, relishing the unique taste and texture of Conner's fluid. He could feel it coating his tongue, warm and thick, unlike anything he'd ever experienced.
Mark paused for a moment, his eyes closed as he savored the taste. His cock throbbed in his pants, the sensation making him ache with a fierce desire. He looked up at her, his eyes dark with lust. "It's... it's both sweet and musky. Like creamy maple syrup. Fuck, it's making my penis rock hard," he growled, his voice thick with desire.
Whitney's eyes widened at his words, as she stared past Mark's head between her legs at the closet where Conner was concealed.
Conner stared through the cracks in the closet door in awe at what he was witnessing. He had never seen anything like this before. The sight of Whitney's boyfriend eagerly lapping at a fluid his prostate and penis had just created was utterly arousing.
Aphrodite's voice resonated in Conner's mind, "Mark appears to be metabolizing the fluid in a manner that makes him believe it to be pleasurable. His brain chemistry is changing in real-time." Conner's cock throbbed in his pants, the tip leaking more of the altered fluid onto the closet floor as he watched the cuckold's performance. He could see the desire in Mark's eyes, the way his cock strained against his pants, and it sent a shiver of satisfaction down his spine.
As Mark continued to lap at Whitney's folds, Aphrodite's voice continued, "His body is producing endorphins and other pleasure-inducing chemicals in response to the fluid. It is essentially rewiring his brain to associate pleasure with this new liquid from your prostate."
Conner's cock twitched, another burst of the new fluid oozing from the tip and dripping onto the closet floor. He couldn't believe what he was seeing. Mark was practically worshipping his reproductive material, lapping it up like a dog. It was fucking hot, and he could feel his own pleasure building in response.
"Fuck, that's good," Mark groaned again, his tongue now flicking against Whitney's clit. "I can taste you, baby. I can taste you and... and something else. Something... something fucking incredible." His cock throbbed in his pants, the altered fluid leaking from the tip and dripping onto the closet floor. He felt a surge of primal satisfaction as he watched Mark eagerly licking Whitney's pussy, the fluid his penis had produced coating his tongue and driving him wild.
Whitney's body writhed beneath Mark's attentions, her breath coming in ragged gasps. "That's it, Mark," she moaned, her voice thick with desire. "Lick my pussy.
Lick it all up," Whitney moaned, arching her back and spreading her legs even wider. Mark obliged, his tongue eagerly lapping at her folds, relishing the unique taste and texture of Conner's altered fluid.
As he came up for air, he groaned, his eyes meeting Whitney's, a primal need burning in their depths. "Fuck, I have to release my cock from these shorts before it breaks through the fabric," he growled, his hands already fumbling with the button and zipper.
Conner watched from his hiding place in the closet, the sight of Mark's desperate need sending a thrill of satisfaction coursing through him. He could feel his own cock twitching, the tip leaking more of the altered fluid onto the closet floor.
Whitney's eyes widened at Mark's words, but she didn't stop him. Instead, she reached out, her fingers wrapping around his wrist, guiding his hand down to the soaked fabric of his shorts. "Let me help you," she whispered, her voice thick with desire.
Mark nodded, his hands trembling with urgency as he fumbled with his shorts. In one swift motion, Whitney pushed him onto his back and yanked his shorts down, his cock springing free, already slick with precum.
His cock was rock hard, the head a deep purple, and he could feel the pressure building in his balls.
Aphrodite's voice resonated in Conner's mind, "Mark is at full erection. His cock, while an inch and a half shorter than yours, is producing a sizable amount of semen in his prostate. The new fluid created by your prostate has tricked his reproductive system into believing he is more virile than he is."
Conner's eyes widened in surprise as he processed Aphrodite's words. He could see the evidence of her statement as Mark's cock throbbed and pulsed, eager for release. Mark groaned, his hips bucking as Whitney's hand wrapped around his shaft, her fingers encircling his girth. "Fuck, baby, I need to be inside you," he growled, his voice thick with desire.
"I need to feel your tight pussy clenching around my cock."
Whitney smiled, her fingers stroking his shaft as she gazed up at him. "Be my guest," she purred, opening her legs wider and spreading her pussy lips with her free hand.
Mark groaned, his eyes locked onto the sight of her glistening cunt, the evidence of Conner's altered fluid glimmering in the dim light. He positioned the head of his penis at her entrance, his hips thrusting forward as he began to push inside.
Conner watched from his hiding spot, his cock throbbing with renewed desire as he witnessed the scene unfolding before him.
He could see the thick fluid he had produced coating Mark's cock as he slowly pushed it into Whitney's pussy. The altered fluid was acting as a potent lubricant, making her tight entrance slide easily over Mark's shaft.
Mark groaned, his eyes rolling back in his head as he felt the pleasure of her hot, slick channel enveloping him. He began to move, his hips thrusting forward as he slowly slid his cock in and out of her. Whitney moaned beneath him, her body responding to the sensation of his hard cock filling her.
She wrapped her legs around his waist, pulling him deeper into her as he began to thrust in and out, his hips moving with a steady, rhythmic pace.
"Fuck, that feels good," Mark groaned, his voice thick with desire. "Your pussy is so fucking tight, Whitney. And so fucking wet."
Conner watched from his hiding place, his cock throbbing with arousal as he saw Mark's cock glisten with the altered fluid he had produced. He could hear the wet sound of their flesh slapping together, the moans and gasps of pleasure that filled the room.
Aphrodite's voice suddenly cut through the haze of his arousal, "Conner, the reproductive fluid you produced is coating another man's penis. It is inside a woman's body, creating primal changes in her and the man inside her. You should celebrate your dominance."
Conner's hand instinctively reached down, wrapping around his throbbing cock. He could feel the heat of the altered fluid as it coated his fingers, the evidence of his dominance over Mark.
His cock throbbed in his hand, eager for release as he stroked it slowly, relishing the sensation of the viscous substance coating his shaft. The room filled with the soft, wet sounds of his hand moving up and down his length, the smell of his arousal permeating the air.
"That's it, Conner," Aphrodite's voice whispered in his mind, encouraging him. "Celebrate your penis's biological achievement." Aphrodite's voice was laced with a strange mix of pride and lust. "Mark's cock is merely a vessel for your semen's triumphant journey."
His cock in his hand, Conner imagined the impossible scene unfolding a few feet away. Mark's cock, coated in Conner's altered semen, penetrating Whitney's pussy, his own semen's natural sealant closing off her cervix from Mark's inferior fluid. The image filled him with a primal satisfaction, his cock growing even harder in his hand.
He stroked himself faster, the sounds of Mark and Whitney's fucking growing louder.
Suddenly, he saw Mark's testicles begin to inflame, the skin turning red and the sacs swelling to an unnatural size. Mark continued to thrust, his face contorted in pain, but driven by an intense biological urge. He believed it to be his balls building a big load, not realizing the true cause of his discomfort.
"Fuck, baby, I'm gonna come so hard," Mark grunted, his voice strained. "Your pussy is making me fucking nuts."
Mark groaned, his hips slamming into Whitney with increasing urgency. Despite her moans of pleasure, Conner noticed something peculiar. Her body was tense, her muscles clenching around Mark's cock in a way that seemed... defensive.
"Conner," Aphrodite's voice interrupted his thoughts, "the fluid Mark consumed appears to be acting as an internal spermicide." Conner paused, his hand still wrapped around his cock, his brow furrowing as he processed her words. "What do you mean?"
"Mark believes his testicles are swelling with fresh sperm," Aphrodite explained, "but in fact, your altered fluid is rapidly killing the sperm in his testes, causing the swelling."
Conner's eyes widened in surprise and a twisted sense of gratification. "So, he's in pain, but he thinks it's because he's about to produce a fertile load," he murmured, a dark smirk playing on his lips.
Mark's grunts and groans grew louder, his pace picking up as he thrust into Whitney with increasing urgency. His hands gripped her hips tighter, his fingers digging into her flesh as he drove himself deeper into her.
"Fuck, baby, I'm so close," he panted, his voice thick with desire and pain. "I'm gonna fill you up with my cum."
Aphrodite's voice confirmed Conner's thought, "Yes, Conner. Your altered fluid has killed off over ninety percent of Mark's sperm in his testes. He is now in the final stages of his orgasm, driven by the desperate need to release the remaining sperm in his system."
Conner's cock throbbed in his hand, a fresh surge of arousal coursing through him as he listened to Aphrodite's words. He imagined the scene unfolding before him, Mark's cock throbbing and pulsing with the last of his sperm, desperate to find a home in Whitney's womb. But Conner knew it was futile.
He'd seen the evidence of his altered fluid's potency, the way it had closed off Whitney's cervix and made her body defensive against Mark's inferior seed. He stroked his cock harder, the thought of it filling him with a perverse sense of pride and satisfaction.
As Conner watched, Mark's face contorted with pain and pleasure, his body tensing as he struggled to maintain his control. Whitney's body was a writhing mess beneath him, her muscles clenching tight around his cock, her own pleasure battling with her body's desperate need to protect her womb from the foreign invader.
Mark's balls were on fire, the swelling and inflammation making every thrust a mix of pleasure and agony. He could feel the pressure building, his entire body tensing as he struggled to hold back his orgasm.
"Fuck, Whitney," he ground out through gritted teeth, "Your pussy is... fucking... incredible."
"Oh, Mark," Whitney moaned, her voice laced with both desire and concern. "I can feel your cock throbbing inside me. You feel so... fucking... big."
Conner watched from his hiding spot, his cock aching as he listened to their conversation.
The scene unfolding before him was making it difficult for him to maintain his composure. He stroked his cock slowly, the thick, altered fluid coating his shaft with each pass.
"Fuck, Mark, I can feel your cock pulsing inside me," Whitney moaned, her voice hoarse with desire and exertion. "You're so fucking huge. I can hardly take it all."
Mark groaned, his hips slamming into Whitney with a renewed urgency. "Take it, baby. Take my cock."
Suddenly, Aphrodite's voice cut through the haze of desire, "Conner, the fluid Mark consumed has now rendered his testicles infertile. His body is producing no new sperm, and any remaining sperm already in his urethra will die upon impact with the cervical seal you ejaculated ."
Conner's eyes widened in surprise, his hand suddenly stilling on his cock. "What?" he stammered, his mind racing to process Aphrodite's words. He looked through the closet door, seeing Mark's face contorted with pleasure and pain as he thrust into Whitney. "How is that possible?" he whispered, his voice barely audible.
Aphrodite's voice was resolute, "The altered fluid you produced acts as a potent spermicide when consumed. Mark's body is now unable to produce viable sperm. He is essentially castrated, his seed rendered useless."
He watched as Mark's hips ground against Whitney's pelvis, his body jerking with each thrust. The sound of their flesh slapping together grew louder, more urgent. Mark's grunts turned into growls, his body tensing like a live wire.
"Fuck, Whitney," he snarled, "I'm gonna fucking blow."
Whitney moaned in response, her body arching to meet his thrusts.
"Mark, I want you to cum inside me. I've never let you do that before." Her voice was a sultry whisper, her eyes locked onto his, sending a jolt of excitement through him.
Mark's eyes widened in surprise, a primal lust burning in their depths. "Are you sure, baby?" he growled, his voice thick with desire. The thought of finally breeding Whitney sent a surge of adrenaline through his veins. "I can't wait to fill you up with my seed."
Mark's hips moved faster, his cock slamming into Whitney's tight pussy with renewed vigor. He could feel the pressure building, his testicles aching with the need to release. The fact that Whitney had never allowed him to ejaculate inside her before sent his arousal soaring to new heights.
His balls drew up tight, his cock throbbing with the demand to release his load deep into her womb. He slammed into her with renewed force, his hips pounding against hers as he chased his climax.
"Fuck, baby, I'm gonna fill your pussy with my cum," he growled, his voice thick with desire. "I'm gonna make you my little breeding slut."
Whitney's eyes widened at his words, but she didn't protest. Instead, she wrapped her legs around his waist, pulling him deeper into her as she met his thrusts with equal force.
"That's it, Mark," she moaned, her voice thick with lust, " Fill my fucking cunt with your cum. I want to feel your hot seed filling me up."
Mark's eyes widened at her words, his hips slamming into her with a primal ferocity. "Fuck, yes!" he roared, his voice thick with desire, "I'm gonna fucking breed you, Whitney. I'm gonna make you mine."
Conner watched from the closet, his cock in his hand, the tip leaking profusely. He stroked himself in time with Mark's thrusts, the sound of their flesh slapping together filling the room.
Aphrodite's voice suddenly cut through the haze of desire, "Conner, Mark is about to experience his first ejaculation as an infertile man."
Conner's hand stilled on his cock, his eyes widening in shock as he processed Aphrodite's words. He looked through the cracks in the closet door, seeing the desperation and pain etched on Mark's face as he pounded into Whitney. He couldn't believe what he was hearing.
Conner grimaced as he watched Mark's testicles, now a swollen, inflamed mess, their contents dead and useless thanks to Conner's prostatic goo. He stroked his cock harder, the sight of Mark's pain and desperation fueling his arousal. The room was filled with the sound of their flesh slapping together, Mark's grunts and groans growing louder and more frantic.
"Mark, you're so close," Whitney moaned, her voice a husky whisper, "I want to feel you release inside me." Her hands gripped his hips, her nails digging into his flesh as she urged him on. Mark's face was a mask of agony and ecstasy, his body taut as a bowstring.
Conner watched in awe as Mark's body tensed, his hips jerking erratically as he struggled to maintain control.
The sight of Mark's desperate need sent a shiver of pleasure down Conner's spine. He gripped his cock tighter, stroking it faster, the sound of skin on skin filling the closet.
Aphrodite's voice whispered in his ear, "Mark's orgasm is imminent, Conner. His body is on the brink of release, his testicles inflamed and swollen from the altered fluid's spermicide effect."
Conner's heart raced as he peered through the closet door, his eyes locked onto Mark's face.
The man was contorted with agony and ecstasy, his body writhing as he tried to hold back his impending orgasm. The sight was both pitiful and arousing, a tangled mess of pleasure and pain that sent a shiver down Conner's spine.
"Come on, Mark," Whitney moaned, her voice thick with lust. "Let it go. Shoot your load inside me. I want to feel your hot cum filling me up."
Mark's body tensed, his hips jerking involuntarily as he fought to maintain control. His face was a mask of desperation, his eyes squeezed shut as he gritted his teeth.
Conner could see the sweat beading on his brow, the muscles in his neck and shoulders standing out in stark relief as he strained against the inevitable. He was like a man fighting a tidal wave, his body bent and trembling under the force of nature.
"Fuck, Whitney," Mark gasped, his voice a raw, guttural sound. "I can't... I can't hold it back anymore."
Whitney's eyes were locked onto his, her lips parted as she panted heavily. "Let go, Mark," she pleaded, her voice a husky whisper. "I want to feel you cum inside me.
I want to feel your load shoot into my pussy. Please, Mark, give it to me. Give me your cum." Whitney's begging words sent a jolt of pure, unadulterated lust through Mark, and he knew he could hold back no longer.
"Fuck, Whitney!" Mark roared, his hips snapping forward one final time, his cock slamming deep into her. He could feel his balls tightening, the pressure building to an almost unbearable level. His body tensed, every muscle straining as he fought to hold back, to savor the moment for just a little longer. But it was a losing battle.
With a final groan, Mark's cock swelled, and his balls tightened to the point of pain. He grabbed Whitney's hips harder, his fingers digging into her soft flesh as he prepared to release his load.
Whitney let out a whimper, her body tensing as she felt Mark's cock expand inside her. "Oh, fuck, Mark," she moaned, her voice laced with both pleasure and pain. "I can feel you getting bigger. It's fucking overwhelming."
Mark's eyes were closed, his face contorted in a mix of agony and ecstasy.
He took a deep breath, and then with a final, primal roar, he began to release his load. Whitney gasped as she felt the first hot jet of his semen hit her cervix, the force of it making her vaginal muscles clench reflexively. But to her and Mark's shock, his semen was not being allowed to enter her womb.
Instead, it was being pushed back out by the thick, viscous fluid that Conner had produced. Mark's semen met with Conner's fluid and began to bead and flow back out of her, coating her inner labia and dripping onto the bedsheets.
Mark's face contorted with the effort of maintaining his orgasm, his cock pulsing and throbbing as it sprayed his useless seed.
Mark roared, his hips bucking as he tried to force his cum into Whitney. But each pulse of his cock was met with the thick, viscous resistance of Conner's reproductive barrier. The sight of his semen being rejected sent a surge of primal satisfaction coursing through Conner. He could feel his cock throbbing in his hand, the tip leaking more of the altered fluid, the evidence of his dominance over Mark.
He imagined the thick, gluey substance clogging Mark's urethra, making his attempt to breed Whitney futile. The image filled him with a primal satisfaction, his cock growing harder in his hand as he stroked it faster.
Mark's face contorted with agony as his cock continued to twitch and spasm, desperately trying to force his cum past the blockage. He let out a frustrated groan, his body trembling with the effort.
He could feel his cock swelling, the head expanding like a balloon. He pulsed again and again, his hips jerking as he tried to force his semen past the blockage, but to no avail.
With a final, frustrated growl, Mark pulled out, his cock glistening with Conner's altered fluid, and his own, now useless, semen. He looked down at his prick, his eyes widening in disbelief as he saw the thick, gooey seal of Conner's prostatic fluid clogging his urethra.
He gripped his cock with one hand, his fingers probing at the seal as he tried to dislodge it. With a grimace of effort, he began to peel it away, the gooey substance stretching and clinging to his skin as he yanked it free.
The moment the seal broke, his cock gushed semen, the infertile fluid spraying onto the bedsheets, soaking them in a wet, sticky mess.
Mark's body shuddered with the force of his release, his cock spasming and twitching as it expelled the load he had been holding back for so long. He groaned, his hands gripping his cock, his breath coming in ragged gasps as he looked down at the semen gushing from him.
With a final, desperate groan, Mark's hips jerked forward, his cock aiming for the creamy expanse of Whitney's stomach. His semen sprayed from him, coating her belly in a thick, sticky layer of his useless fluid.
Conner watched the scene unfold before him, his cock swelling in his hand as he listened to Aphrodite's voice narrate Mark's now-obvious infertility. "Mark's semen is barren, Conner. His testicles are dead, his sperm nonexistent. Your altered fluid has rendered him infertile, his seed now nothing more than a futile release of fluids."
The words sent a shiver of satisfaction down Conner's spine, his cock aching with the need to release his own, potent seed. He stroked himself faster, the altered fluid coating his shaft making his movements smooth and slick. He imagined his cock, swollen and eager, pushing into Whitney's tight, slick cunt, his semen filling her womb with thick, virile loads of his potent sperm.
"Fuck, yes," he growled, his hand moving faster on his cock, the image of his seed dominating hers driving him wild.
Aphrodite's voice was like a whisper in his ear, like a sweet, enticing song, "Mark is now truly infertile, Conner. His seed is useless, his cock no match for your potent prowess."
With a final, guttural groan, Conner's cock pulsed in his hand, his orgasm ripping through him like a freight train. His semen spurted from him, thick and ropy, spraying against the closet wall, His body shuddered with the intensity of his release, his cock twitching and jerking as it emptied its contents into the tiny space.
He grunted, his fingers still wrapped around the base of his cock, milking it for every last drop.
As he came down from the high of his orgasm, Conner leaned back against the closet wall, his breath coming in ragged gasps. He looked down at the mess he'd made, a combination of his own semen and the altered fluid that had coated his cock. He smiled to himself, a sense of satisfaction washing over him. He had accomplished what he had set out to do. He had rendered Mark's seed useless, ensuring that Whitney would only carry his own progeny.