Chapter Text
The first time Theo fucked Marcus Flint it awoke something within him that he hadn’t known was there. A permissiveness that leaked like acid onto his principles until they were pocked and broken. Looking back, there were a million warning signs, but the boy Theo was at the time never would have accepted that. He’d enjoyed a string of unique conquests at Hogwarts ranging from Roger Davies to Fred Weasley, and Marcus Flint had the potential to be the feather in his cap. Theo, ever the collector, had been circling him for months and the older boy seemed curious, at the very least.
He'd felt his dark eyes on him all evening following Slytherin’s victory against Ravenclaw. Their fellow snakes were drunk and raucous, celebrating the win, but the captain of the team was surprisingly withdrawn. It had intrigued Theo; usually Marcus hid his melancholy better. But that night he didn’t seem to possess the energy or the will to fight his natural inclinations, and he’d spent most of the evening alone in the corner of the common room watching. Specifically, watching Theo. It wasn’t anything new, Theo was aware that Marcus’ eyes frequently followed him, but his gaze felt heavier that night - expectant. There was a certainty taking shape in Theo’s gut that this whole thing would soon be coming to a head. Whatever the fuck this was.
Initially, he had thought attracting Marcus’ attention was a bad thing. Had Theo been too obvious in his own fascination? The captain of Slytherin’s Quidditch team was known for his brutality both on and off the field, and Theo wasn’t even sure Marcus was gay. There’d never been any indications in either direction, except perhaps how often Theo caught him leering. Theo himself wasn’t out out , though his sexuality was regarded as a known quantity by many of his housemates. Bold, considering he’d just recently discovered it himself. Women were objectively fine, but there was something too soft and warm about them. It made his jaw ache. His tastes lie in harder, sharper, colder things. Complex creatures, with sharp edges that could cut if you weren’t careful - or if you wanted them to.
Marcus Flint fit that definition to a t. He was outwardly nothing more than a bully and brute, but through snippets of conversation Theo had come to regard him as a depressive with a quick mind and a vicious mouth. Theo wanted to pin him to a board and peel back every layer of skin, fat, and muscles until he found the cause. He had the compulsion to hold Marcus’ beating black heart in his hands, and Theo snorted out loud when he envisioned it preserved in a jar, decorating the mantle of his bedroom at Nott Manor.
“What’s funny?” Blaise smiled up at him. Eyes blown to high heaven and reeking of firewhiskey, Theo was surprised he’s caught the sound over the music.
Draco and Pansy had fled to her bed hours ago, leaving a relatively sober Theo to watch over a thoroughly wrecked Blaise. Thankfully, his friend had always been a happy drunk and he mostly just bopped about the room dancing and stealing sips from people’s drinks when they weren’t paying attention. He didn’t know a damn word to any song, frequently tripped over his own feet, and had to lean against Theo in order to stand up straight, but he was happy. An astonishing feat considering Blaise loved Pansy with every atom of his being and she was presently fucking their best friend. But nobody could carry unrequited love like Blaise. Theo didn’t know how he did it without jealousy poisoning his thoughts and turning him mad.
“I heard you laugh,” Blaise slurred, propping himself up between the wall and Theo to keep from wobbling.
“I was just thinking about something,” Theo mumbled. Blaise squinted up at him, cocking his head thoughtfully before a messy smile consumed his face.
“Flint has been watching you alllll night,” he teased. Theo pulled Blaise’s head back when he turned to give Marcus an obvious glance.
“Don’t fucking look at him!” Theo hissed, holding Blaise’s chin in place.
“He wants you more than the Quidditch Cup,” he said, punctuating the end of the statement with a hiccup.
“When was the last time you had water?” Theo frowned, scanning the room for the pitcher he’d previously seen.
“Water?! There’s water in whiskey! That’s why it’s wet.” Blaise stated, smug in his logic. Theo rolled his eyes as he navigated him toward an open seat and pushed him down.
Blaise squealed as the cushions bounced beneath him, easily entertained in his present state. If Theo had to babysit any of his drunken friends, he’d pick this silly fool every time.
“Are you gonna take him for a ride, Theo?” Blaise’s defined brows wiggled suggestively at the question.
Theo couldn’t help the smirk that ghosted his lips. Looking at him, most people would peg Theo for a bottom, maybe even a submissive. Admittedly, he did not exude take-charge energy, or even a memorable presence. Compared to his friends, he was reserved and respectful. A background character overshadowed by the main roles, even within his own story. He liked surprising people once they got him alone.
“We’ll see,” Theo said.
Blaise’s face lit up like Christmas and he leaned forward to loudly whisper. “Put him out of his misery, Theo. He’s suffered enough.”
Theo’s smirk grew and he rubbed his chin. “You think?”
He snuck a glance toward the corner Marcus had been haunting all night and their eyes instantly connected. As if he’d been waiting for Theo to gather the courage. It felt dangerous, meeting him head on like this, and there was a clear challenge bridging the distance between them.
“Some people are begging to be broken,” Blaise declared. The tone of the words did not match the darkness of the statement, tearing Theo’s attention from across the room, but when he analyzed his friend’s face he found nothing but drunken contentment.
“Who told you that?”
“My mother!” Blaise laughed. Holding onto his belly, he rocked back and forth in his seat, sliding halfway out of the chair in a fit of laughter.
Theo frowned, scanning the room again for the one obligatory pitcher of water. When he located it empty on the floor, he sighed and bent over to push Blaise back into the chair. Withdrawing his wand from the pocket of his robes, he summoned the closest discarded cup and cast an Aguamenti charm to fill it.
“I want that entire thing gone by the time I get back,” he ordered, levitating it to the table beside them.
Blaise snorted, throwing Marcus a fleeting glance. “I dare say I’ll be passed out by the time you get back from wherever you’re going.”
“I’m just going to the bathroom,” Theo mumbled.
“Sureeee,” Blaise balked, winking aggressively and attempting to elbow Theo in the ribs. The entire charade ceased when he descended into a fit of self-satisfied giggles.
“Just drink the fucking water, Blaise,” Theo grumbled.
Blaise’s laughter subsided enough for him to nod in agreement, wiping spent tears from his face. He waved him off as Theo made for the boy’s bathroom, weaving between the sweaty bodies gyrating on the makeshift dance floor. Every hair stood at the nape of his neck as he felt Marcus following behind, though he forged his own path through the throng. Like a shark parting a school of fish.
Theo beat him to the door, opening it just enough so he could squeeze in and dart to the sink. He watched the entrance to the bathroom through the mirror as he absently straightened his robes.
Opening the door even less than he had, Marcus slipped in and leaned heavily against it. Wielding his wand, he cast a series of locking charms that were impressive in their complexity. For a brief moment, Theo wondered why he had reason to know them, but the thought was quickly pushed from his mind. Marcus’ intense gaze settled upon him, summoning an unwanted blush across his cheeks as the older boy pocketed his wand and strolled forward.
He wasn’t particularly handsome, but Theo wasn’t so shallow as to value something as genetically random as good looks. There was an undeniable intelligence about him, an ease with both strategy and blunt force that Theo found incredibly sexy. He was both the scalpel and the rock. And though he had never been into sports, lacking the necessary introduction most boys were given by their fathers, Theo had a keen appreciation for this wizard’s broom thighs.
Tension simmered in the air as Marcus came up to stand in front of the sink beside him, the mirror highlighting their height difference. “Are you trying to fuck me, Nott?” The question was posed so nonchalantly Theo had to laugh.
That was another thing he liked about Marcus Flint, his unpredictability. It was exciting to live in this moment, not knowing what was coming next. The struggle for control that was already taking place between them turned him rock hard.
“Do you want me to, Flint?” Theo retorted, turning to face him. He casually leaned his hip against the sink in an effort to match Marcus’ composure.
“You aren’t my usual type,” he replied, lifting a thick eyebrow as he ran his eyes down Theo’s lean body. Marcus’ gaze lingered on the outline of his cock pressing against the pleats of his pants and his lips parted imperceptibly.
“And that is?” Theo drawled.
Marcus’ eyes slowly crawled back up to his face, leaving a trail of heat behind them. “Not you,” was his gruff answer.
Theo shrugged, turning back towards the mirror to fix his hair. He could afford to wait if Marcus wanted to fight this. Oftentimes, the chase was the peak of these sorts of relationships and delaying gratification was actually delaying disappointment. He’d felt something different with Marcus, but intuition was an unreliable mistress.
With a sniff, he stepped back from the mirror and made to turn toward the door. Theo took exactly one step before Marcus lunged for him.
He couldn’t say he was completely surprised. Unfortunately, violence often played into his trysts. No one was quicker to it than hormone-addled teen boys questioning their sexuality. Or that could simply be his type. Thankfully, Theo had more self-defense skills than most would suppose and he directed the smaller wizard’s momentum straight into the wall of the bathroom. Leveraging his height, he wrapped his long fingers around Marcus’ thick neck and squeezed it in warning. Something like lightning laced across his eyes as he clawed at the exposed flesh of Theo's hands.
“How exactly did you see this playing out?” He grit out, loosening his hold on Marcus’ muscular throat so he could answer.
“You on your knees,” he hissed in a strained voice.
Theo chuckled, a soft sound that made him stop struggling. “You’ve been watching me since the start of term and yet you’ve got me all wrong.”
“But you’re gay,” Marcus said, a touch of fear edging into his deep voice. He eyed the bathroom door nervously as Theo pushed in closer, lining up their bodies. He could feel the outline of Marcus’s semi-hard cock against his thigh, his panting hot breath on his neck.
“Oh, most decidedly. But what makes you think I’ll be the one on my knees?”
Marcus’ green eyes darkened as his thin lips curved into a smile. A shiver ran down Theo’s spine, but he chalked it up to excitement.
“Do you want to get on your knees for me, Flint?” Theo asked. He leaned forward, running his nose along the shell of his ear as he whispered. “Do you even know how?”
Marcus laughed, a hard abrasive noise Theo couldn’t remember hearing before. It did something to his blood, speeding it through his veins as his heart thundered in his chest. When he leaned back Marcus was still smiling, though there was nothing warm or open about the expression.
If fate had ever been his friend, something or someone would have interceded in this moment. Instead, Theo let Marcus pull him to the back of the bathroom toward the empty row of showers. Throwing open the door to the first stall, Marcus was on his knees before the door swung closed behind them. His fingers danced in the air in front of Theo’s groin, a look of momentary uncertainty passing over his face.
Theo clasped his head between his hands, guiding it up toward the dim light. “You’re adorable when you’re insecure,” he said, running a thumb over the firm frown of his lips.
With a growl, Marcus jerked out of Theo’s grasp and set about shucking up his robes and undoing his pants. Theo leaned back with a sigh, drinking in the vision of this monstrous boy on his knees, eager to get his cock in his mouth.
Marcus’ calloused fingers slipped into Theo’s boxers the moment they gained access, pulling the elastic waistline down to rest beneath his balls. It propped the whole aching package up toward Marcus’s lips and Theo preened at the display.
A soft laugh tickled the hair of his legs as Marcus wrapped his hand around the heavy base. “I knew you were hiding something,” he said breathily.
Flattening his tongue, he gave the length a long exploratory lick that rocketed down Theo’s nerve endings and set him ablaze. Marcus quirked his head, presumably deciding whether he enjoyed the act, before he bent forward to take the full head in his mouth. Theo choked on air as he performed a complex series of figure eights with his talented tongue. When Marcus’ eyes locked onto his, lips glossy with spit as he slowly worked him to the back of his throat, Theo questioned his previous assumptions. That was not the look of a curious straight guy. No, that was the look of an experienced hunter.
Theo’s head slammed back into the wall when the head of his cock nudged at the back of the older boy’s throat. The sensation was positively revelatory, all glorious wet heat and danger. His hands fumbled behind him, trying to find something, anything to hold. He finally settled upon curling them around the top of the thin stall walls, angling his hips forward so he could push himself farther down Marcus’ throat. His mouth opened obediently to accommodate, the barest touch of teeth making Theo moan.
Marcus’ eyes were dark and glistening in the shadow Theo’s body cast, and it felt like eternity before he started to slowly slide off his cock, twirling his tongue around the head as he withdrew. The instinct to surge forward was too much to bear, and Theo entwined his fingers in Marcus’ short hair and fucked into his mouth. The hum his thrusts elicited vibrated up his cock and muddled his brain until there wasn’t an intact thought left.
Marcus’ hands came up to wrap around the back of Theo’s thighs, pushing him to go faster and drive into his mouth harder. He obliged, fighting to keep his eyes open so he could bear witness to this miracle sitting before him. Theo had experienced having his cock sucked before, but nothing like this. Marcus exuded an air of risk that amplified every pleasurable touch and made him feel special. As if only he could tame the beast
Theo grunted in time with his thrusts, the indecent noises Marcus was releasing from his mouth bringing him to new heights as he chased release. He was sucking so hard his cheekbones protruded from his face, fine tendrils of spit catching the light as they dripped down the sides of his chin. It was the sexiest thing Theo had ever had the pleasure of witnessing.
Marcus popped off his cock with little warning, pushing back so he was resting on his heels and there was distance between them. The muscles in Theo’s arms screamed to force him back down, but he preoccupied himself by catching his breath.
“Are you going to put me out of my misery tonight, beautiful?” Marcus asked hoarsely, licking his lips as he stood.
Theo winced. “Those were Blaise’s words, not mine.”
Marcus cupped his jaw, running a thumb along Theo’s bottom lip. “I think it is me being merciful.”
He scoffed, but when he tried to pull his head back Marcus kept it immobile.
“That idea is misplaced,” Theo grunted.
Marcus hummed as he released him. “We’ll see.” Grabbing Theo by the shoulder, he guided him toward the bench in the corner of the stall.
He felt incredibly desperate, denied an orgasm and shuffled into position with his pants caught around his feet. Marcus forced him to sit, ripping down his boxers until they were pooled around his legs. Theo reached up to trace Marcus’ obvious erection with a tentative finger, but his hand was smacked away.
Marcus clicked his tongue, flicking Theo’s nose in reprimand. “You’re the one taking me for a ride, remember?”
Theo groaned, chastising himself for ever believing that drunks could whisper.
Marcus made a big show of unbuckling his belt, unbuttoning his pants and slowly pulling down the zipper to reveal a tidy thatch of black curls. He wasn’t wearing underwear, and when his pants fell from his hips Marcus’ impressive cock jutted out proudly. As with their overall structure, Theo’s was longer but Marcus’ was thick. His mouth watered at the sight. He yearned to wrap his lips around it, to feel the heavenly weight on his tongue as he made Marcus fall to his ministrations.
“Don’t worry, you’ll get the chance to impress me,” Marcus smiled coldly, discarding his pants in a heap in the corner. “But not today.”
Marcus stepped around Theo bare legs, bracing his knees on the bench beneath them as he straddled his trim hips. Grasping both sides of Theo’s face, he licked the seam of his lips until he gasped and Marcus could invade.
Everything changed with that kiss, demarcating Theo’s life into two separate eras: before Marcus and after. If it had simply been the groundbreaking blowjob, or even the earth shattering sex that would soon follow, Theo could have survived him. It was the kiss that held promise, and the touch of sweetness he found in Marcus’ lips became his Holy Grail. He was dying to know how it remained protected against the harsh climate, how it kept from burning away to nothing.
Marcus explored the interior of Theo’s mouth like he was taking inventory. Running his tongue along the peaks of his teeth, tickling the top of his mouth, and battling his tongue for control. Theo bowed to his authority almost automatically, the first instance in an addiction that was already taking shape with his mind.
Between them their cocks slid against each other as Theo rolled his hips up, desperate for friction. Sensing his need, Marcus gathered them both in his rough hands so they could move together. His grip was hard and almost too dry, but Theo would gladly shred the skin from his cock to chase this high with him.
“Do you know how to open me up?” Marcus purred, using his fingers to drag their combined precum down Theo’s tumescent length.
Theo fumbled with the pockets of his robes until he produced his wand. Casting a lubrication charm on his fingers, Theo dropped it to the floor as he reached around to run his hands down the crevice of his ass. Marcus jumped in Theo’s lap when he located his hole, teasing the rim with a single drenched fingertip.
It was little moments like this that strung Theo along for years. These little tastes of vulnerability that took precedence over the rest of his reprehensible behavior. They taunted him with glimpses of what they could be if Marcus was less of a monster and more of a man.
Theo slipped one long finger in, gently easing it back and forth as the muscles relaxed around him.
“I’ve never been fucked so gently,” Marcus chuckled. He was attempting to come across unaffected, but everytime Theo pushed into him a light gasp left his lips. It had to be killing him, openly displaying so many tells. His pupils were blown wide, his pulse was sprinting, and the creamy skin of Marcus’ neck was slowly being overtaken by red splotches as Theo worked him open.
“I don’t want to hurt you,” he admitted, introducing a second finger as he sank to the final knuckle of the first.
Marcus leaned forward, a whine escaping his lips as he began to ride his hand. “You wouldn’t even know how,” he sneered, opening up his stance so Theo could wiggle in deeper.
“I’m a quick learner,” Theo replied, adding a third finger and locating his prostrate in one smooth push.
Marcus released a string of expletives, rocking harder into his touch. His cock was leaving a puddle on Theo’s stomach, leaking precum like he’d already found his full release. Trailing his fingers through the mess, Theo lifted them up to Marcus’ parted mouth. A dark smile flickered across it before he wrapped his lips around the digits and sucked them clean.
“Salazar,” Theo groaned. “I’m fucking in love with your mouth.” Leaning forward, he replaced his damp fingers with a blistering kiss. It was an admission he hadn’t intended to make, but the truth was obvious in the frenetic way Theo attacked Marcus’ lips, holding his strong jaw in place so he could worship him properly.
“You ready to fuck me, beautiful?” Marcus asked into his mouth. He shuddered at the endearment, its third appearance upon Marcus’ lips establishing it as habit.
Theo reclined into the bench so his hips were almost flat, providing the perfect stage for Marcus to perform. Gripping the base of Theo’s cock, he finagled his own hips into position until the slippery head was nudging at his entrance. Marcus stilled atop him, a storm of emotion crossing his face before he slowly began to sink down.
“Fuck,” Theo groaned, eyes rolling into the back of his skull as Marcus cheeks settled atop his trembling thighs.
Perhaps that was the moment Theo was conquered. Engulfed by his warmth, drenched in his scent and putty in his hands, he was simply overrun.
Theo’s hands left his side to cup his ass, pulling him down as Marcus ground himself against him. The only stars Theo had seen up to this point were in the sky, but when Marcus lifted himself up and slammed back down Theo might as well have been looking through a telescope. Each time Marcus’ body swallowed him his vision sparked, every bundle of nerves firing until he had to move or risk catching fire.
Theo thrust up at the same time Marcus descended, their mirrored moans ricocheting against the tile of the bathroom in an endless loop. Marcus canted his hips, changing the angle so he could ascend higher and drop down harder. Theo positively howled at the sensation, his weak thrusts messing up the rhythm until Marcus braced his hands on his shoulders to still him.
“Stop moving, Theodore,” he chided.
Theo whimpered at the sound of his full name on Marcus’ lips. He’d never heard it pronounced that way, so full of need and possession, he almost didn’t recognize it.
Theo wanted it to last forever, but the visuals alone could have him shooting off like a preteen. Marcus Flint was a bloody revelation, fucking himself on Theo’s cock like he was riding into war. And this vantage point gave him the perfect view of his cock disappearing inside of him. It made him want to invest in a Pensieve so he could revisit this moment again and again.
“I want to touch you,” Theo said, staring down at the trail of precum Marcus’ cock was dragging across his abdomen. “Please , let me touch you.”
Marcus frowned down at him, giving a curt nod that prompted Theo to wrap both his hands around his weeping cock and jerk him in time with their coupling.
Pleasure was zinging down his spine and pressure was mounting in his aching balls as the rubber band keeping him together drew taut. Sitting up, he pulled Marcus into his chest, sandwiching his cock between them.
“I’m… I’m gonna come,” Theo hissed into Marcus’ neck. The words spurned him on and his ass clenched around Theo’s cock while the demands of his hips advanced.
“Come inside me,” Marcus commanded, sliding up and down in determined bursts.
“Are you sure?” Despite his blissed out state, Theo still possessed enough wherewithal to cringe at the sound of his voice. It was as transparent as the rest of him, all wonder-filled and weak. This was not how he’d seen this night playing out.
Marcus wove his fingers into Theo’s messy waves and tugged his face back to look at him. The tempo didn’t even stutter, a testament to the enduring appeal of those thighs.
“I want you to paint my insides,” Marcus grinned.
Theo had never come from words alone before, but this was pretty fucking close. Gritting his teeth, he watched Marcus’ eyes flutter shut as hot spurts of ejaculate fulfilled his request.
Theo’s breath caught in his lungs, no oxygen passing in or out for a handful of moments before he slumped against the shower wall, relegated to a gasping mess. His hips jerked about pathetically as Marcus rode him through it, a look of pure greed blazing across his eyes as he claimed Theo’s pleasure. He would continue to own it for years to come.
“Fuck,” Theo stuttered. His voice was muffled to his own ear, the galloping beat of his heart superseding all other noise.
“Aren’t you the artist,” Marcus remarked, continuing to milk Theo’s cock with the rhythmic pull of his hips. He could feel his come dripping from where they remained connected, trailing down the slopes of his thighs and pooling on the tiled floor below. Theo pushed down on Marcus’ thighs, stilling and seating him completely before the sensitivity got to be too much.
“Do you want me to finish you off?” He asked, brushing his thumb along the slit of Marcus’ cock. He hissed at the contact, grabbing Theo’s wrist and pushing him away.
“Next time,” he murmured. Using the hair at his nape, Marcus tilted Theo’s head up and kissed him slowly. It was warm and chock full of passion, planting an ache in his heart that would never leave him.
Understanding Marcus as he does now, Theo recognizes this as the moment he decided to keep him. From that day forward that mean-spirited boy was the sole possessor of Theo’s compromised heart, but the terrifying man he would become would destroy it completely.