Cover of The Forge of Forbidden Desires

The Forge of Forbidden Desires

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Tony stark tested a new sex toy he created for him self and as he tested it a dark voice suddenly started to order him how to use it. The voice belonged to the man the avengers had captured during their last mission. Tony was shocked to see the man that claimed his name was Lucifer without the cuffs and out of his cell. But Lucifers towering figure and deep smooth voice intimidated and turned tony on at the same time. Making tony submit.

Chapter 9: The Morning After the Night Before

Consciousness returned not as a sunrise, but as a slow, sinking realization of ache. Tony opened his eyes to the familiar, sterile lines of his ceiling, his body a map of tender bruises and stretched muscles. Every movement was a reminder. The hollow, sore feeling deep inside him was the most profound. He was sticky with dried sweat, and when he shifted his hips, a traitorous trickle of warmth leaked from him onto the sheets. The smell of sex and his own humiliation was thick in the air.

He was alone.

For one fractured second, he clung to the hope that it had been a vicious, detailed dream. Then his thigh muscles screamed in protest as he tried to sit up, and the hope shattered. The memories flooded back in a cascading torrent: the count, the unbearable sucking, the relentless fucking, the sobbing pleas. A hot wave of shame washed over him, so intense it dried his mouth. He’d been broken down into a begging, crying thing. And he’d come. Again and again.

Good boy.

The ghost of the praise ignited a spark in his gut, a Pavlovian response that made him hate himself more. He swung his legs over the side of the bed, his feet hitting the cool floor. The room was silent except for the low hum of the building. The shadows in the corner were just shadows.

Then the voice was just… there. Not in his ears, but in the center of his mind, smooth and intimate as a thought that wasn’t his own.

‘Good morning, my brilliant toy.’

Tony froze, his knuckles whitening as he gripped the edge of the mattress. He didn’t speak. He just listened, his heart hammering against his ribs.

‘You feel me inside you, don’t you? My claim. It will linger. Now, look to your right.’

His head turned, disobeying every conscious command. On the obsidian nightstand, beside a half-empty glass of water, was a small, severe object. It was a plug, but unlike any he’d ever seen or engineered. It appeared to be made of a dark, smoky obsidian that seemed to swallow the light, its shape elegantly tapered but undeniably substantial. The base was a flat, disc-like platform etched with faint, swirling patterns that seemed to move if he didn’t look directly at them.

‘You have a board meeting today at ten. Regarding the SI and Stark Relief Foundation merger. A tedious affair of percentages and posturing.’ The voice was a dark amusement. ‘You will clean yourself. You will prepare. And you will wear that. Under your suit. All day.’

“No.” The word scraped out of Tony’s throat, raw and quiet.

‘Yes.’ The reply held no room for argument. ‘It is a reminder. A token. Your body will hold a piece of my will while your mind navigates your trivial world. You will feel it with every step, every shift in your chair. You will be full of me while you talk about stock options. And you will not come. Not a single, stolen touch. Your climax is a treasure I keep locked away. Do you understand?’

Tony’s hand trembled as he reached out. His fingers brushed the surface of the plug. It was cool, but not cold. It hummed with a faint, sub-audible vibration that traveled up his arm. It felt alive.

‘Do you understand, Anthony?’

The use of his full name was a collar. Tony’s pride, the furious, surviving ember of it, roared. He was Tony Stark. Iron Man. He’d faced aliens and gods and his own mortality. He couldn’t be ordered around like this. He opened his mouth to spit a refusal.

But his body remembered. It remembered the searing pleasure of obedience, the catastrophic relief of surrender. The ache between his legs throbbed, and his traitorous cock gave a feeble, interested twitch. The conflict strangled the words in his throat. All that emerged was a weak, shuddering breath.

‘Good.’ The voice softened, wrapping around him like a reward. ‘Now put it in. Let me watch.’

The shower was a ritual of humiliation. He scrubbed his skin until it was pink, trying to erase the smell, the feel. It was useless. The soreness inside him was a brand. Standing under the spray, he picked up the obsidian plug again. It was heavier than it looked. His hand shook violently as he brought it to him, slick with water and a drop of the expensive, unscented lubricant he kept in the cabinet.

He turned, bracing a hand against the cool glass wall. The tip pressed against him, and he flinched. It wasn’t just the size, though it was intimidating. It was the profound wrongness of the act, the total surrender of his autonomy. He was doing this to himself on command.

He pushed.

The initial stretch was a sharp, bright pain. He bit his lip, drawing blood. He pushed harder, forcing himself to relax, to breathe out. The plug slid in another inch, the strange, humming vibration now inside him, a constant, insistent presence. With a final, gritted groan, he seated it fully. The base rested snugly against him, the etched disc a cool, permanent kiss. He felt impossibly full, stretched, and owned. He stood there, head bowed under the water, for a long time, waiting for the burning to subside into a dull, pervasive ache.

Dressing was a new kind of torture. The fine, tailored wool of his trousers felt abrasive over the subtle bulge of the plug’s base. Every movement, every step as he fastened his cufflinks, sent a jolt of awareness through him. He was constantly reminded of the intrusion, of the secret he carried.

The boardroom was all sharp angles and reflective surfaces. Sunlight glared off the polished table. Pepper, in a crisp cream suit, was speaking, her pointer indicating a graph on the wall screen. “The consolidated humanitarian aid pipelines would increase efficiency by thirty-seven percent, but the regulatory overlap in these six regions…”

Tony sat at the head of the table, perfectly still. He’d crafted a persona of detached attention, chin resting on steepled fingers. Inside, his universe had contracted to the single point of pressure inside his body. The plug felt like it was growing warmer, the faint vibration syncing with his heartbeat. He shifted minutely in his chair, and the movement caused the toy to press mercilessly against his prostate. A spark of electric pleasure, vicious and unwelcome, shot up his spine. He clenched his jaw, forcing his breathing to remain even.

“Tony?” Pepper’s voice cut through. “The liability cap? Your thoughts?”

He blinked, meeting her gaze. She looked concerned. He’d been silent for too long. “The cap is… insufficient,” he said, his voice surprisingly steady. “We need a sliding scale tied to regional instability indices. Draft it. I’ll review it.” It was a bullshit answer, but it was technical enough to sound engaged.

She nodded slowly, but her eyes stayed on him, searching. “Are you feeling alright? You look… pale.”

“Midnight oil, Pep. Standard issue.” He offered a thin smile. “Jet lag from… thinking.”

As the meeting droned on, the sensation became a torment. The vibration seemed to intensify in waves, ebbing and flowing like a tide. He was hard, trapped painfully in his trousers, a fact he hid with the table and a carefully placed portfolio. Each time someone addressed him, each time he had to lean forward to speak, the plug shifted, nudging that sensitive bundle of nerves. Pleasure coiled, tight and desperate, in his gut. He was sweating under his crisp white shirt. The need to touch himself, to grind against the chair, was a screaming animal in his brain. But the command was a wall around him: You will not come.

He was a live wire of denied climax, his brilliant mind reduced to a single, primal calculation: how to move without setting off the avalanche.

The meeting ended. He exchanged hollow pleasantries, his handshake thankfully brief. The moment the last person left, he strode out, his walk a tight, controlled motion towards the private elevator to his penthouse.

The doors hadn’t fully closed before the voice filled the small space.

‘You did so well.’

The praise hit him like a drug. His knees nearly buckled. A pathetic sound escaped him.

‘Such a good boy, holding it all in. Being my perfect, secret thing in that room of dull, proud men. Now come home. I want to see what you’ve saved for me.’

When the penthouse doors opened, Lucifer was waiting. He was leaning against the central console, dressed in simple black trousers and nothing else, his pale chest a landscape of defined muscle. His eyes burned with possessive approval. “Show me,” he said, his velvet voice a physical caress.

Tony stood paralyzed in the doorway.

“Now.”

Tony’s hands went to his belt. His fingers, which could assemble a circuit board or pilot a suit of armor at mach speed, fumbled with the simple clasp. He shoved his trousers and briefs down to his thighs. His cock sprang free, angry red and dripping pre-come. The obscene sight of it, the dark base of the plug visible beneath his balls, made his face burn.

Lucifer’s gaze was a slow, devouring feast. “Touch yourself.”

A sob of relief broke from Tony’s chest. His hand wrapped around his aching length. It was electrifying. One stroke, two. He was already on the razor’s edge.

“Stop.”

Tony whined, his whole body trembling with the effort of freezing his hand.

Lucifer pushed off the console and walked over. He crouched down, his face level with Tony’s groin. He examined the weeping head of Tony’s cock, then reached behind him, his fingers tracing the disc of the plug. “You wore my gift all day. You kept my rules.” He looked up, his black eyes capturing Tony’s. “You may come.”

Tony’s hand moved again, a frantic, desperate pumping. But it wasn’t enough. The coil was too tight, the need too profound after hours of denial.

“Please,” Tony begged, the word ragged.

“Please, what?”

“Please… make me come. I can’t… I need…”

Lucifer smiled, a beautiful, cruel thing. He stood, took Tony’s hand in his own, and wrapped both their hands around Tony’s cock. His grip was firm, commanding. He set a brutal, perfect rhythm. “Come for me, Anthony. Show me what you’ve been saving.”

It took three strokes.

Tony’s orgasm exploded from him with a force that blurred his vision. He cried out, a raw, shattered sound, as stripes of white shot across Lucifer’s chest and stomach. His body convulsed, the intense pulses wracking him, each one wringing a choked gasp from his throat. The plug inside him vibrated fiercely, milking the climax, extending it into a near-painful eternity.

As the last shudder passed, Lucifer gently withdrew the plug. Tony gasped at the sudden emptiness, feeling open and used. Lucifer didn’t hesitate. He turned Tony around, bent him over the cool glass of the console, and shoved his own hard cock into that slick, willing channel in one brutal thrust.

Tony screamed, his oversensitive nerves firing again. Lucifer fucked him with a deep, punishing pace, his hands gripping Tony’s hips hard enough to bruise. “This,” Lucifer growled into his ear, his breath hot, “this fucking hole is mine. This mind is mine. You will wear my marks, follow my rules, and crave my praise. You are engineered for me now.”

Tony could only moan, tears of overwhelm and submission leaking from his eyes, as Lucifer pounded into him, claiming him all over again in the cold, clinical light of his own home. The external world of board meetings and mergers was gone. There was only this, the devastating truth of his own surrender, and the dark, possessive voice telling him he was good.

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