BROKEN RULES - Steve Rogers x Female Reader!
Summary: Defying Stark’s strict rule against entering the main workshop after nine o'clock at night, you drag the Captain into forbidden territory with a single goal in mind: to make him break the rules.
Warnings: light humor, smut (MDNI), no use of y/n, Steve dom! Reader sub! emotional intimacy.
N/A: English is not my first lenguage.
It wasn’t the first time you’d sneaked into somewhere you shouldn’t. As an elite S.H.I.E.L.D spy, infiltrating high-security zones was practically your Monday routine. But tonight, you weren't looking for Hydra blueprints or access codes. This time, the objective was far more complex, dangerous, and damn tempting: convincing Captain America himself to walk right into the lion's den with you.
Tony Stark’s lab was officially closed after 9:00 p.m. "Sacred ground," he used to repeat down the hallways in his misunderstood-genius tone. "Don't touch anything, don't look too much, don't breathe near the prototypes." For someone with your reputation—rebellious, unpredictable, and with an alarming resistance to authority—those prohibitions weren't warnings; they were a formal invitation. A flashing neon sign screaming: *enter here*.
And you, of course, weren't going in alone.
"Come on, Steve," you whispered, turning around halfway down the Tower's dimly lit corridor. You stepped closer to him with a feline grace, stopping just inches away from his broad chest. You had that half-smirk plastered on your lips, the one you always wore when you were plotting something that defied common sense. "I just want to show you something. I promise it doesn’t bite."
Steve groaned, his jaw tightening. His blue eyes, usually steady and serene, scanned the hallway looking for any active J.A.R.V.I.S. cameras or any sign that you were joking. He knew perfectly well what you were capable of; he’d been trapped for months in this game of heavy glances, clandestine encounters in the shadows, and electric touches that left him breathless. But Tony's lab was crossing a very clear line.
"It's Stark's lab," he warned in that deep voice meant for the leader of the Avengers, though the slight tremor in his hands gave him away. "We shouldn't be here at this hour. If Tony finds out..."
"You? Worried about breaking Stark's rules?" you said, feigning dramatic indignation as you rested a hand on his chest, feeling his accelerated heartbeat beneath the fabric of his t-shirt. "What happened to the man who defied the entire government for what he believed was right? What happened to the soldier who threw himself on a grenade at Camp? Don't tell me a couple of motion sensors scare you, Captain."
Steve let out a silent laugh, looking down and shaking his head. That damn laugh that you hated because it humanized him way too much, completely disarming the living myth to reveal the man from Brooklyn. God, he was gorgeous when he surrendered.
"You are a dangerous woman, you know that?" he murmured, taking a step forward, closing the distance you had been provoking. "Alright. Ten minutes. Only ten."
When the heavy reinforced glass doors slid shut behind you with a pneumatic hiss, the air in the lab changed completely. It grew different. Denser. Heavy with a magnetic tension that had absolutely nothing to do with the static of the servers or the security systems you had deftly hacked five minutes prior.
The twilight of the workshop was dappled by the glow of holographic screens floating in the air and the blue LED lights of the workstations. You walked among the metallic benches with the innate elegance of a spy who knows her territory, sliding the pads of your fingers over the freezing edges of the consoles. You passed a half-assembled metallic gauntlet from Tony's new armor, then a holographic keyboard... and finally stopped in front of the main table, the largest one, where a latest-generation industrial robotic arm prototype rested.
You turned slowly, leaning your hips against the edge of the metal workstation, crossing your arms and holding his gaze. Steve had stayed a few paces back, standing in the center of the lab with his arms at his sides, looking imposing, massive amid all the technology, but with a rawness in his eyes that took you in from head to toe.
"Have you ever thought about doing something you know perfectly well you shouldn't?" you asked in a whisper, dragging out the words with deliberate provocation.
He didn’t answer with words. The good-boy, Boy Scout facade crumbled in a split second under the blue light of the workshop. Steve took a firm step. Then another. The distance between you vanished before you could even blink. His hands, large and warm, traveled directly to your waist, gripping you with a possessiveness that instantly sent your pulse skyrocketing.
"All the time," he whispered against your lips, his voice broken by weeks of suppressed desire.
And then he kissed you.
It wasn't one of those sweet, tentative kisses from your first hidden encounters in the dark hallways. It was a hungry, demanding kiss, taken without permission and without a shred of guilt. A total collision of lips and tongues that felt like opening a high-pressure valve that had been forced shut for months. You let out a muffled whimper that was lost in his mouth as your hands slid up his neck, tangling in his blonde hair, pulling him even closer to you, if that was even possible.
Steve nudged you back gently, arching your back over the cold metallic surface of the workbench. The contrast between the freezing metal and the scorching heat of his body made you shiver. His hands slid down from your waist to your thighs, squeezing tightly, and with a fluid movement powered by impressive physical strength, he lifted you to sit completely on the edge.
Your legs instinctively wrapped around his waist, pulling him into your center. You could feel every line of his rigid body against yours. Steve broke the kiss only to trail down your jawline, leaving a path of wet kisses and light bites that made you throw your head back, panting his name in the dim light.
"Steve... God, Steve..." you gasped, digging your nails into his well-built shoulders.
"You're going to drive me insane," he replied against your skin, his ragged breath hitting your neck as his hands slid underneath your clothes, seeking direct contact with your burning skin. His fingers were rough, calloused from training, but they touched you with a deliciously desperate urgency.
The space around you seemed to vanish. You were a spy trained to maintain control in any high-risk scenario, but with him, control was an illusion. You let yourself be carried away by the adrenaline of the danger and the pure intensity of the super-soldier. Your body moved in perfect sync with his, seeking to close any remaining gap, getting lost in the friction of clothes, muffled gasps, and the echo of kisses bouncing off the glass walls.
In the midst of the urgency, your hands clawed to rid yourselves of any obstacles, yanking his t-shirt upward while he helped you strip out of yours, letting the garments fall forgotten to the floor among precision tools and digital blueprints. Steve's skin glistened under the dim light, every muscle defined and taut from the effort and passion. When your bodies finally joined completely, the outside world ceased to exist.
You clung to his back, burying your face in his neck to smother the sounds that threatened to escape your throat. Steve moved with a mix of overwhelming strength and a protective tenderness that drove you wild, taking you on the table with an implacable rhythm that made you see stars. His hands planted firmly on either side of your hips to support both of your weights, pushing with total surrender.
It was right at the climax of that blind urgency, when the breathing of both of you was a chorus of erratic gasps, that your hands blindly searched for a point of leverage on the table behind you. Your fingers closed over a manual control panel—a console full of levers and buttons that was clearly not designed to withstand human passions of such caliber. Your weight and Steve's thrust pressed the wrong switches.
ZAP!
A bright spark exploded right behind your head, illuminating the lab for a fraction of a second. A sharp, electrical hum began to wail from the base of the robotic arm beside you. The holographic screens flickered violently, switching from blue to a warning red, before shutting down completely. A thick stream of smoke smelling of burnt wire began to drift out from the inside of the mechanical droid, followed by a metallic crunch as a spring popped out and bounced across the floor.
Steve stopped dead in his tracks, his chest heaving heavily, his blue eyes locked on the smoke rising from the damaged apparatus.
"Was that... normal?" he asked between gasps, a mix of genuine panic and suppressed amusement in his voice, without moving a single inch away from you.
You let out a breathless laugh, throwing your head back against the metal, still catching your breath as you felt his heartbeat thumping against your chest.
"If the lab catches fire, we’ll know it wasn't," you replied with a mischievous smile, tracing his lips with your index finger. "But look on the bright side... at least Stark's insurance covers it."
Steve let out a resigned sigh, resting his forehead against yours as a guilty smile crept onto his face. He knew he was in deep trouble, but looking into your eyes, disheveled and with flush lips, he couldn't care less.
Hours later, the harsh reality of the day after (or rather, the morning after) came knocking. You were in your room at the Tower, dressed in clean clothes, quietly checking the mechanisms of your shock gauntlets and humming a tune. Meanwhile, on the floor below, Steve was trying with all his might to maintain his impeccable Captain posture, though the stubborn blush on his neck completely gave him away to anyone who knew how to look.
Then the intercom buzzed. J.A.R.V.I.S.’s voice, usually serene, had an almost apologetic tone: "The presence of the Agent and Captain Rogers is requested in the main workshop. Mr. Stark... insists."
When the lab doors slid open this time, the vibe wasn't passionate; it was a crime scene. Tony Stark was waiting for you right in the center of the workshop. His arms were crossed over his chest, a coffee mug in one hand, and an expression of absolute disbelief etched onto his face. Behind him, on the workbench that now sported an obvious scorch mark, rested the five-million-dollar robotic arm—completely fried, wires hanging out, and a faint column of grey smoke still lazily drifting toward the exhaust fan.
"Do you have any idea," Tony began, his voice dangerously calm before spiking up three octaves, "how much that robotic arm you ruined costs? FIVE million! Five! And that’s not counting the invaluable hours of my brilliant mind's work that just evaporated!" he yelled, pointing his coffee mug at the smoldering remains of the droid.
Steve stepped forward, snapping into his automatic military stance, lips pressed tight, serious and firm. His back was so straight he looked like he was about to salute the flag.
"I take full responsibility, Tony. It was my—"
"No!" Tony whipped a finger dramatically into the air, cutting him off mid-sentence. "Don't you dare cover for her, Rogers. Don't look at me with those star-spangled puppy eyes! This has her signature written all over it! I know her destructive methods."
"He's not covering for me," you said, stepping forward and crossing your arms with total indifference, enjoying every second of the drama. "I dragged him into it. Literally. He just... went with the flow."
Tony ran his free hand over his face, rubbing his temples as if he were having a live aneurysm right then and there. He looked at the ceiling, then at you, and finally locked his eyes on the Captain.
"Do you know what really breaks my heart, Steve?" Tony asked, using a falsely wounded tone that deserved an Oscar. "You were my good one. My golden rule. My straight line in this group of misfits. The man of unbreakable morals. And now it turns out you’re part of the hormonal chaos destroying my private property in this Tower! She corrupted you!"
Steve lowered his head for the first time in his military history, the crimson rushing up his cheeks all the way to his ears.
"I'm sorry, Tony. We'll pay for the damages if necessary."
"And you," Tony turned to you with narrowed eyes, pointing his finger. "Don't look at me like that, with that damn 'I'd do it again' face. Because I know you perfectly well, and I know you'd do it again tonight if I left you the keys!"
You, maintaining your unbothered spy posture with that rebellious spark gleaming in your eyes, simply flashed him a cheeky wink.
"I was just testing the durability of your materials, Stark. Clearly, they need improvement."
The next evening, the tension migrated from the lab to the communal dining room on the main floor. The massive wooden table was piled high with enough food to feed an army: steaming pizza boxes, giant platters of pasta, garlic bread, and a couple of salads that no one had bothered to touch. The background music played softly, but the atmosphere was strangely charged with a playful energy. Everyone was laughing... way too much. And the glances didn't take long to lock onto the two of you.
You sat down with absolute composure, serving yourself a slice of pepperoni pizza. Beside you, Steve tried to keep his eyes glued to his plate of pasta, eating with a comical rigidity, as if he expected an alarm to go off at any second.
"So..." Clint started, reaching out to grab another slice, with an innocence so forced it was ridiculous. "Did anyone else hear a bizarre short circuit in the lower levels last night? Around eleven. A sharp pop... followed by what I would swear was a whimper."
Bruce, who usually stayed out of the teasing, looked up from his wine glass with a restrained smile, his eyes twinkling behind his glasses.
"I thought it was the Tower's reactor having a technical power glitch," the doctor added in an analytical tone. "But then I went to the kitchen for a glass of water and saw Steve walking down the hall with his t-shirt completely inside out and his laces untied. A statistical anomaly for the Captain."
Peter Parker, who was at the far end of the table, choked spectacularly on his soda, coughing hard as Thor slapped him on the back with enough force to almost face-plant him into the table.
"Is *that* what happened?!" Peter gasped, his eyes wide open and completely red-faced. "I thought... I don't know... that the lab had exploded from an enemy attack or a failed experiment by Mr. Stark!"
Natasha leaned back comfortably in her chair, crossing her legs with that lethal elegance you shared with her. She looked at you sideways, raising a perfect eyebrow while holding her wine glass, wearing a knowing smirk that only another spy of her caliber could understand. She knew exactly how hard it was to soften up the soldier.
"Do you have any idea how hard it is to get Tony to yell at and scold Captain America like he’s a disobedient teenager?" Nat commented, taking a sip of her drink. "Agent, you need a SHIELD Medal of Honor just for achieving that. You broke the system."
Steve looked like he wanted the floor to swallow him whole. He sank a bit lower into his seat, the flush spreading from his neck to the tips of his ears, avoiding the teasing stares of everyone at the table. He was experiencing for the very first time what it was like to be the center of team gossip.
"I'll just say," Sam Wilson chimed in from the other side, gesturing toward Steve with a fork full of pasta and a smirk stretching from ear to ear, "that if starting tomorrow the workshop robots start talking dirty or disobeying Tony's orders, we'll know exactly who corrupted them with their bad habits. You're a bad influence on the youth of this Tower, Cap."
Laughter erupted around the table. Tony, sitting at the head, just muttered things about invoices and a "lack of respect for science" while chewing his food.
You, remaining completely unbothered, with that tough and confident attitude that defined you, took a slow bite of your pizza, savoring the moment just as much as the food. You let the team's laughter die down a bit before speaking, breaking the silence with absolute confidence.
"At least it was worth every penny of those five million," you said, shrugging with a smug smile.
The table erupted into roars of laughter again, with Clint applauding and Nat shaking her head in proud amusement. Steve, beside you, finally looked up from his plate. He shot you a look that was a perfect blend of murderous, embarrassed, and completely surrendered to you. He knew you were a hazard to his discipline, to his reputation, and to Stark's budget.
But when his hand sought yours underneath the wooden table, squeezing your fingers hidden from the rest of the team, you knew the truth. He would do it again. Because for you, even Captain America himself was more than willing to throw the rulebook out the window.
.
.
.
