The Curriculum of Craving

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A dom sends his sub to school. Each class is focused on a kink, always with a dildo on her chair that teases and stretches her through the lesson. Overall lesson for the day is orgasm denial. The dildo built with sensors to know when to stop, when she right on the edge. First lesson is finding pleasure by sucking the cock on her desk

Chapter 12: Gagged on Demand

The sterile chill of the evaluation room dissolved into the slightly warmer, antiseptic-scented air of the corridor. Sera shuffled, each step sending fresh jolts from the electric replica buried deep in her cunt. The chastity belt’s rigid plastic panel chafed her mons, a constant, heavy reminder of her confinement. Every breath hitched; the brutal, machine-driven orgasm Thane had triggered still echoed in her trembling thighs, leaving her raw and hollow. Thirty-six more. The number pulsed in her skull, timed with the relentless thrumming inside her.

Allen met her outside the Oral Mastery Chamber door. His expression was coolly appraising, devoid of Thane’s clinical detachment or Dominick’s possessive heat. "Blake." His gaze flickered down to the rigid bulge beneath her skirt where the chastity belt held the pulsing toy in place. "Time to train another orifice." He grasped her upper arm, his fingers firm, guiding rather than dragging, but offering no choice. "Master Thane tasked me with refining your gag reflex. Evidently, Dominick prefers a smoother swallow."

The chamber was a study in controlled sterility. Soft, indirect lighting washed over stark white walls, gleaming black leather chairs arranged in a precise semicircle. At the center stood a simple lectern. On each accompanying desk rested a sleek, metallic dildo, its surface smooth, sensors winking like malevolent eyes under the lights. But it was the apparatus dominating the room's focal point that stole Sera’s breath: a black leather restraint bench, its angles severe, equipped with thick straps and a terrifying steel halo fixed above where the head would be placed.

"Sit," Allen instructed, gesturing to the bench. His voice was calm, methodical. "Knees on the pad, ankles here." He pointed to sturdy brackets near the bench’s base. She obeyed, the movement awkward, the vibration inside her intensifying slightly as she shifted, making her gasp. He knelt before her, efficiently securing thick leather cuffs around her ankles, pulling them taut and locking them into the brackets. Her knees sank into the padded leather, spreading her thighs just enough to remind her of the device wedged between them. Then he guided her torso forward, pressing her down until her chest rested on the angled leather slope, her arms pulled back alongside her body. More straps snaked over her shoulders, biceps, and forearms, cinching tight, pinning her upper body immobile.

Finally, he grasped the cold steel halo. "Head forward, Blake." His tone brooked no argument. She pressed her forehead against the cool metal ring, her chin jutting forward into empty space between the halo’s lower curve and the bench. Allen adjusted the halo’s height slightly, then locked it firmly in place with a soft clunk. Her head was caged, unable to move left, right, up, or down. Only straight ahead. At floor level, she saw only Allen’s polished boots. The leather strap across her shoulder blades dug in, and the rigid panel of the chastity belt pressed painfully against her pubic bone as she strained against the position. Her tender nipples scraped against the leather slope with every shallow breath she managed.

She heard the whisper of a zipper. Allen moved in front of her, now within her narrow field of vision. His cock was already hard, thick and veined, jutting towards her trapped face. He smeared a dollop of clear lubricant over the head and shaft, the scent sharp and chemical. He gripped the base. "Open." The command was quiet, absolute.

Sera parted her lips, the movement constrained by the halo. The cool, slick head pushed past her teeth immediately. She tried to relax her jaw, remembering Allen’s lessons, but the angle was severe, the depth unnatural. Allen didn't hesitate. He pushed forward, the thick crown stretching her lips wide, then pressing relentlessly against the back of her throat. Her gag reflex triggered instantly, violently. A strangled choke tore from her as her throat muscles clenched.

Bzzzzzzzzzzzzzzzzzzzt!

The vibration inside her cunt exploded. The low thrum transformed into a fierce, punishing jackhammer buzz, vibrating her entire pelvis, slamming against her cervix with shocking force. It wasn't pleasure; it was pure, agonizing electrical overload, directly wired to her gag reflex. Sera’s body convulsed against the restraints, a muffled scream lost around Allen’s cock as tears sprang to her eyes.

"Every time you gag," Allen stated calmly, one hand settling firmly on the back of the steel halo, his fingers tangling tightly in her brunette hair, "this happens." He didn't pull out. He held himself deep in her spasming throat. "Control it. Swallow." He flexed his hips slightly, grinding his cockhead against her resistant soft palate. "Take it deep."

Sera forced herself to inhale raggedly through her nose, tears streaming down her temples. She focused past the crushing fullness in her throat, past the brutal electric storm tearing through her denied pussy, and swallowed. It was a conscious, desperate effort, her throat muscles working weakly against the intrusion. The violent buzzing inside her lessened fractionally, dropping back to its previous, still-intense thrum.

"Better," Allen murmured, almost conversational. He withdrew slowly, dragging his slick shaft across her tongue, before thrusting back in, hard and deep, burying himself to the hilt in one smooth motion. Gulp. She choked again, instinctively.

BZZZZZZZZZZZZZZZZZZT! The electric whip cracked inside her cunt again, even fiercer this time, making her vision blur. Her hips bucked uselessly against the chastity belt, her restrained arms straining, her nipples burning against the leather. A thin line of drool mixed with pre-cum escaped the corner of her stretched lips.

"There's the struggle," Allen observed, his voice a low growl now. He didn't ease up. He set a brutal, rhythmic pace. In, deep thrust grinding against her tight throat. Gag. BZZZZZZT! Convulsion. Sobbing breath through her nose. Withdraw, slick and wet. Thrust back in hard. Swallow. Slight decrease in the internal hell. Fail. Gag. BZZZZZZT! Over and over. Sweat slicked her skin, mingling with tears and saliva.

The metallic dildos on the surrounding desks seemed to pulse in time with her suffering. On the far wall, a large screen flickered to life. A biometric readout: her spiking heart rate, respiration ragged and shallow, galvanic skin response off the charts. A secondary graph tracked the intensity of the vibrations inside her, spiking violently with every gag, falling slightly but never stopping with each desperate swallow. Her arousal level, despite the agony, the humiliation, was climbing steadily, inexorably. The denial, the constant stimulation, the sheer overwhelming sensory assault were wiring her body to respond. The graph told the story her choked cries couldn't.

Allen’s thrusts became harder, faster, less controlled. His fingers twisted viciously in her hair, holding her skull immobile for his deeper penetration. "Fuck, that tight little throat," he grunted, his cool composure cracking. "Swallow it all, whore. Take my fucking cock." He slammed in, holding deep, his balls slapping against her chin. "Swallow!" he commanded, his voice thick. She gagged violently, her whole body seizing.

BZZZZZZZZZZZZZZZZZZZZZZZZZZZT!

The electric punishment was blinding. Her vision whited out. She felt her pelvic muscles spasm uncontrollably around the vibrating replica, a brutal, involuntary orgasm ripped from her by the machine, triggered by the overload. It was agony mixed with a terrifying, unwanted peak. She screamed around Allen’s cock, her body convulsing like a dying animal against the restraints.

Allen roared, his hips pistoning erratically. He shoved himself balls-deep one final time, and hot, thick spurts of cum erupted down her constricted throat. She choked, gagged violently again, triggering another punishing blast from the plug, but forced herself to swallow convulsively, gulping down the salty bitterness as he emptied himself, her throat working desperately against the flood. "Thirty-two," a voice cut through the haze – Thane’s voice, observing from the lectern, his tone devoid of judgment. He tapped his tablet. The vibration inside her cunt ceased abruptly, leaving a shocking, aching void.

Allen slowly withdrew his softening cock, glistening with spit and cum, from her bruised lips. Sera gasped, sucking air through her raw throat, the sudden absence a shock after the suffocating fullness. Tears and saliva dripped onto the cold floor beneath her restrained head, each drop echoing in the sudden, heavy silence broken only by the low hum of the room and her own ragged, wet breathing. The brutal electric storm in her cunt had stopped, leaving a hollow, throbbing ache deep inside her pelvis, a raw nerve exposed.

A shadow fell over her limited view of Allen’s boots. Master Thane’s polished, expensive shoes replaced them, impossibly close. His presence radiated a different kind of pressure, denser, colder than Allen’s efficient brutality. She could smell his cologne, crisp and expensive, cutting through the tang of lube and sex. Her body instinctively tensed against the restraints, the leather straps biting into her skin, her nipples scraping anew. Fear, cold and sharp, prickled across her sweat-slicked skin.

"Thirty-two," Thane murmured, his deep voice resonating in the sterile chamber, devoid of inflection as he consulted the biometric readout glowing on the wall. Her heart rate still spiked, respiration shallow, arousal graph hovering at a distressingly high plateau despite the agony. "Adequate effort, Allen. You may observe." He didn't glance at the other man; his focus remained fixed on Sera’s trapped form, her vulnerable head locked in the steel halo, her ass raised, her cunt still locked in its vibrating prison. Allen stepped back silently, a faint smirk on his lips as he wiped himself clean.

Thane crouched, bringing his face level with Sera’s, though she could only see his knees and the hem of his immaculate trousers. His hand, large and cool, grasped her jaw firmly through the halo, tilting her head slightly. She flinched at the touch. "Blake," he said, his tone conversational yet laced with absolute authority. "The lesson requires refinement. Control is paramount. Your throat resisted." His thumb brushed her swollen lower lip, a mockery of gentleness. "Dominick desires seamless service. This..." He gestured vaguely at her tear-streaked face, her trembling lips. "...is not seamless. Therefore, your training intensifies."

He straightened, his shadow engulfing her. The sound of his belt buckle clinking open was obscenely loud. The zip followed, a slow, deliberate hiss. Sera’s breath hitched, her stomach clenching. She knew what was coming, knew it would be worse. The dread pooled, cold and heavy, in her gut, mixing sickeningly with the lingering, unwanted arousal humming beneath the chastity belt.

"You will achieve thirteen more orgasms," Thane stated, his voice dropping to a low rumble that vibrated in Sera’s bones. Her eyes widened in disbelief, a choked whimper escaping her. Thirteen? After the machine-driven agony of the last one? It felt impossible, a sentence of torture. "While servicing me." He paused, letting the implication sink in, the sheer scale of the demand. "Only then," he continued, the words falling like stones, "will these restraints be released. Fail to orgasm, or fail to take my cock without gagging..." He let the threat hang, heavy and suffocating, punctuated only by the soft rustle of fabric as he pushed his trousers and underwear down his powerful thighs. "The plug resumes its work. Indefinitely."

Sera squeezed her eyes shut, trembling violently. The cold steel of the halo pressed into her forehead. Thirteen. Gagging meant electric agony. Not cumming meant… she couldn't fathom it. The biometric screen glowed, a silent witness to her escalating panic. Allen watched from the periphery, arms crossed.

Then she saw it. Thane’s cock, freed from confinement, swung heavily into her narrow field of vision. Her breath stopped. Allen was thick, but this… this was monstrous. It dwarfed Dominick’s, thicker by far, longer, a heavy, veined column of flesh already fully erect, the dark head glistening with a bead of pre-cum. The sheer size was terrifying, a brutal instrument compared to the tools used on her so far. It looked capable of breaking her jaw, crushing her throat. A fresh wave of pure, icy terror washed over her, erasing everything else.

"Open," Thane commanded, his voice a whip-crack in the tense air. It wasn't a request. It was the beginning of her sentence. Her jaw ached at the mere thought of accommodating him. Hesitation was not an option; defiance unthinkable. With a trembling, involuntary gasp, she parted her swollen, sore lips as wide as the steel ring allowed, baring her vulnerable throat.

Thane didn't tease. He didn't ease in. Grasping the steel halo on either side of her head for leverage, he positioned the massive, slick crown directly at her stretched entrance. He pushed forward, relentless. The thick, blunt head forced her jaws wider than Allen ever had, stretching her lips to an agonizing point, pressing instantly against the resistant ring of muscle at the back of her throat. Sera gagged violently, her body instinctively rebelling against the impossible intrusion, her throat clenching shut.

BZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZT!

The electric plug inside her cunt detonated. It wasn't just vibration; it was a white-hot branding iron slammed against her cervix, a current of pure agony tearing through her pelvis, ripping a muffled, animalistic scream from around the immense cockhead blocking her airway. Her vision flashed white, her back arched wildly against the restraints, muscles straining to the point of tearing, her scream choked into a wet, desperate gurgle. The restraints held her fast, a fly pinned for dissection under Thane's impassive gaze. On the wall, her arousal graph spiked violently, a jagged mountain peak of unwanted, machine-forced ecstasy mixed with purest terror. Thirteen had begun.

Thane drove forward, an unstoppable force. The obscene thickness of his cockhead obliterated her resistance, stretching her lips beyond pain into a realm of tearing pressure. Her gag reflex, raw and hypersensitive from Allen's assault, convulsed violently.

The plug detonated. Electricity wasn't a buzz anymore; it was a white-hot skewer rammed up her cunt, impaling her on pure voltage. Her scream was a wet, strangled gargle around the monstrous intrusion, drowned instantly. Her body jackknifed against the unyielding restraints, muscles screaming, tendons threatening to snap. On the wall, her arousal graph spiked into the red, a jagged cliff face of forced ecstasy born from agony.

"Swallow, slut!" Thane snarled, his deep voice vibrating through the steel halo locked around her skull. He didn't retreat. He ground the immense head deeper into her spasming throat. "Take it or fry." His knuckles were white where he gripped the halo, forcing her head utterly still for his penetration.

Sera choked, desperate for air that wouldn't come. Tears and slick drooled down her chin. She willed her throat to open, to yield. Swallow. Just swallow. A feeble contraction. The electric storm inside her cunt dropped a fraction, from scalding to merely searing. A pathetic whimper escaped her nose.

"Better." Thane’s praise was a whip crack. He withdrew slowly, the thick veins of his cock scraping her palate raw. Before she could gasp, he slammed back in, deeper this time, the heavy balls slapping wetly against her chin. Her throat locked. GAG. BZZZZZZZZT! The shock tore another silent scream from her, her vision greying at the edges, the plug punishing her failure with relentless voltage. Her nipples burned, scraped raw anew against the leather bench.

He set a brutal rhythm. Deep, grinding pressure against her cervical spine. Out, dragging slick flesh. In again, faster, harder. Each intrusion triggered a gag, each gag detonated the plug. Agony ripped through her pelvis, each shockwave triggering a violent, involuntary pelvic spasm that clenched uselessly around the vibrating tormentor. Orgasm number two was ripped from her, a cruel mimicry of pleasure born solely from overload. She spasmed, her throat convulsing around Thane's girth, triggering another gag, another shock, another agonizing peak. Three. Her body was betraying her, wired to respond even as her mind screamed.

"Fucking tight little throat cunt," Thane grunted, his composure fracturing into raw need. His thrusts became erratic, powerful pistons driving his cock deeper with each stroke. "Gonna flood this greedy hole." Pre-cum, thick and salty, flooded her tortured throat. "Swallow it, you denial whore. Milk my cock with that throat!" He slammed home, holding deep, the thick root stretching her lips obscenely wide. GAG. BZZZZZZT! Four. Her back arched impossibly, a marionette jerked by electric wires. Five. The shocks were blurring together, a continuous current of suffering punctuated by moments of suffocating fullness.

Sera lost count. Time fractured into agonizing thrusts, blinding shocks, and the brutal, mechanical peaks they forced. Seven? Eight? Her throat felt flayed, her jaw screamed, her cunt was a raw, overstimulated nerve center pulsing with residual electricity even between shocks. The biometric screen was a chaotic mess, vital signs spiking and plunging, the arousal line permanently pegged high. Thane’s grunts grew more guttural, his thrusts losing rhythm, aiming solely for depth, for the brutal conquest of her throat.

"Gonna cum!" he roared, fingers like iron vises on the halo. "Take it, Blake! Swallow every fucking drop!" He buried himself to the hilt, grinding, his entire massive frame shuddering. Hot, thick pulses erupted directly into her gullet, a torrent of bitter salt. She gagged violently, instinctively. BZZZZZZZZZZZZZT! The shock coincided with the flood, triggering an agonizing peak. Nine? Ten? Cum choked her, flooded her nasal passages. Swallow. Must swallow. She fought, gulping convulsively around the spurting cock, terrified of the plug’s wrath if she failed. The electric storm subsided slightly as she managed to take it down, but the sheer volume overwhelmed her. Cum dripped from her nostrils, mixed with tears and spit.

Thane held himself deep, emptying completely, his breath harsh. He finally withdrew, his softening cock slipping free with a wet pop, leaving her throat gaping, raw, dripping. Sera gasped, sucking in ragged, burning breaths, her chest heaving against the leather slope. The plug’s vibration ceased momentarily, leaving a hollow, throbbing ache deep in her pelvis. Eleven? The number swam in her oxygen-starved brain. Silence, except for her desperate gasps and Thane’s heavy breathing.

He adjusted his trousers, the sound crisp in the sudden quiet. His polished shoes stepped back into her limited view. "Eleven," he stated, his voice back to its unnerving calm, devoid of fatigue. He tapped his tablet. The biometric screen flickered. "Disappointing resistance. The gag reflex remains problematic." He paused, letting the weight of her failure sink in. "But the body learns. It responds. Even to punishment." He leaned down slightly, his shadow engulfing her. "Two remain, Blake. You will achieve them."

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