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winxanity-ii · 8 days

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BIG FAT MEANY

ship: stepbro!megumi x fem!reader warnings: nsfw 🔞 (p in v, fingering, dub-con); overbearing/possessive brother (aged up: reader and megumi are in early 20s) word count: 4.5k (lololo forgive me y'all got a bit carried away with the storybuilding 💀 promise this won't happen all the time jajaja ) A/N: Hey guys, just wanted to let you know that i'm reposting this from my alt account, lulu-4-u in case you've seen this posted before... ★·.·´🇯‌🇺‌🇯‌🇺‌🇹‌🇸‌🇺‌ 🇰‌🇦‌🇮‌🇸‌🇪‌🇳‌ 🇲‌🇦‌🇸‌🇹‌🇪‌🇷‌🇱‌🇮‌🇸‌🇹‌`·.·★

You weren't a hateful person. Not at all.

In fact, you were practically a ball of sunshine—inside and out.

You loved everything.

It was the simple things in life that made your heart flutter: the moon on a clear night, the smell of fresh rain, lazy afternoons spent with your friends from college, and, of course, your family.

Especially the love between your mom and stepdad, Toji.

He came into you and your mom's life at a time when things were pretty dark—your dad had been having an affair with his secretary, and your mom was left heartbroken. But then, when you were fifteen, Toji walked into the picture, and everything changed for the better.

Out of all the things you cherished, though, there was one thing—one person—you absolutely hated.

Your stepbrother, Megumi.

You hated how mean he was to you.

How he always managed to push your buttons.

How he treated you like a child, even though you were only a year younger than him.

And what you hated the most?

How pushy he got when things didn't go his way.

"Megumi, I said stop!" you whined, pushing at his annoyingly close chest.

Your mind could only race, trying to piece together exactly how you ended up in this predicament.

The night had started simply enough. It was a Friday—date night for your mom and Toji, which meant the house was practically dead.

Normally, you would've just stayed at your dorm, but tonight was different. Your dormmates had been all over you about some party happening on campus, trying to drag you along, but you weren't in the mood.

You'd barely been able to dodge their constant nagging, so instead of getting sucked into something you didn’t want to do, you decided to come home.

A weekend in your room sounded a lot better than getting roped into a night of drinking and chaos.

But instead of holing up and rotting away in your room, Megumi had caught you on your way upstairs. He'd asked—well, more like insisted—if you wanted to watch a movie with him.

It had been a little out of the ordinary, but you shrugged and went along with it, thinking it'd be a decent way to pass the time. And for a while, it had been fine. You both settled on the couch, watching the newest Scream movie.

Until now.

"Megumi, what's your problem? It's just Yuji..." you finally managed, voice small as you sat up properly on the couch, trying to put some distance between the two of you.

"My problem?" he repeated, scoffing like you'd just said something ridiculous. "My problem is you acting like you don't know what’s going on. That picture—he sent it to you for a reason. But you're sitting here like it’s no big deal."

Your brow furrowed, hurt blooming in your chest at what he was insinuating. You hated it when Megumi got like this—sharp-tongued, confrontational, like everything you did somehow annoyed him.

All over a damn picture...

It wasn't even a big deal, honestly. You and Yuji were just chatting as always when among the messages he sent a picture of himself fresh out of soccer practice.

You could vividly recall the boyish grin plastered across his face, eyes bright with his usual warmth.

But it wasn't just the smile that caught your attention.

His shirt, the one you knew had probably been soaked with sweat from practice, was pulled halfway up, wiping at his forehead. It casually exposed the lean muscles of his abdomen, glistening faintly from practice.

He hadn't done it on purpose—he probably didn't even think twice about sending it knowing him—but the way his body looked in the picture was enough to make your face burn upon seeing it.

But apparently, what wasn't a big deal to you, was to Megumi...

"Is he your boyfriend or something?" he demanded, glaring down at you. "Yuji, I mean. Is that why you're all flustered? Because he sent you some half-naked picture and now you’re freaking out like some lovesick idiot?"

"What are we, twelve?" you scoffed, crossing your arms and turning your body away from him, your tone sharp. "For your information, it's none of your business what Yuji is to me. We're in college, Megumi. I don't owe you any explanations."

You could feel the heat rise to your face again, but this time it wasn’t just from the embarrassment. It was the fact that he felt like he had any right to badger you about this.

He wasn't your parent, your guardian—hell, he wasn't even a friend half the time with the way he acted.

"Why do you even care?" you muttered under your breath, more to yourself than to him. "You're always like this. Sticking your nose where it doesn't belong."

You didn't see the way his jaw clenched or how his gaze sharpened at your words. You were too focused on staring at the wall, trying to calm the whirlwind of emotions swirling in your chest.

You stood up abruptly, ready to head back to your room, away from his snappy attitude.

But just as you turned, a large hand wrapped around your wrist, halting your steps.

You froze, looking over your shoulder to see Megumi. He was staring up at you through his dark hair, head tilted slightly, a burning look in his eyes that made your heart race in a way you didn't like. His grip was firm but not painful—just enough to keep you there.

"Megumi, let go," you huffed, your lips pouting as your eyebrows furrowed in frustration. You gave a light tug on your arm, but his hand didn't budge.

He didn't say anything, just kept staring at you, his expression unreadable. That silence—his stubborn, infuriating silence—only made your frustration build.

Why did he have to be like this?

"I said let go!" you repeated, yanking on your arm harder this time, but his grip tightened. You felt a hot flash of anger rise in your chest.

"If you don't—" you started, your voice trembling with frustration, "I'm gonna tell Mom and Toji when they get home."

His eyes flickered for a second, and just as the words left your mouth, he scoffed, standing up in one smooth motion, his form towering over yours.

You could feel the heat of him, the intensity of his presence making you instinctively take a small step back.

"What?" he sneered, his voice low and mocking. "You're gonna tell them that you're whoring around?"

You gasped, your eyes going wide in shock, heart slamming in your chest. "What the hell, Megumi?" you started, but the words barely made it past your lips before he cut you off, stepping even closer, his voice quick and biting.

Megumi stepped even closer, his body towering over yours as he stared down at you through his dark lashes, his voice dropping into something almost mocking.

"Or are you gonna run to Toji?" he taunted, his lips curling into a smirk that sent a shiver down your spine. "I bet you'd like that, huh? Telling him how mean I'm being to you... like some helpless little girl."

Your breath hitched, your back pressing against the wall as he closed the space between you, his presence overwhelming. You felt cornered, heat rising to your cheeks in a way you couldn’t control. His words, the way he looked at you—it all left you speechless.

You hated that he had this effect on you, hated the way he made your pulse race, not just from anger but something deeper, something you couldn't quite place.

Megumi leaned in slightly, his eyes never leaving yours. "Or maybe you like it when I'm mean to you. Is that it? You're always whining, but you never tell them, do you? Why's that?"

You cleared your throat, trying to steady yourself, your eyes darting off to the side to avoid the intensity of his gaze. "B-because," you stammered, voice barely above a whisper, your cheeks still burning hot.

You swallowed hard, finally meeting his eyes, though the way he was looking down at you made your heart pound even harder. "Because… you're my big brother..."

You expected him to laugh, to scoff at you like he always did, but instead, his expression didn't change. If anything, something darker flickered in his eyes as he leaned even closer, his breath hot against your skin.

"Is that what you tell yourself?" he asked quietly, his voice low and almost dangerous. "That it's just because I'm your big brother?" He tilted his head slightly, still staring down at you, his eyes narrowing just a bit. "You sure that's it?"

You could feel the heat rushing to your face again, heart pounding painfully in your chest as you struggled to find words, any words, to push him away.

Your mind raced, and though you wanted to focus on the anger bubbling up, a different thought crept in, unwanted but undeniable.

Megumi was attractive.

Like, really, really attractive.

You hated to admit it, but standing there, inches from him, it was impossible to ignore. He towered over you, standing at least six feet tall, his broad shoulders filling out the plain black t-shirt he wore.

You could see the faint outline of his muscles beneath the fabric, the way his chest rose and fell with every breath, the strong line of his jaw clenched in irritation. His dark hair fell over his forehead in that effortless way it always did, messy but somehow perfect, framing his sharp, intense features.

And those eyes—Gods, those eyes.

Even though they were currently glaring down at you with frustration, you couldn't deny the pull they had. Dark, stormy, and filled with an intensity that made it hard to hold his gaze for long. They were the kind of eyes that could make anyone feel small, vulnerable, and you hated how they always managed to affect you.

Your breath hitched as you let yourself take him in for just a moment too long, your body betraying you with a sharp jolt of attraction. But no—no.

You weren't going to go there.

This was Megumi, your stepbrother, and as good as he looked, he was being a complete asshole right now.

You shook your head quickly, trying to rid yourself of the thought. Stop it. Stop thinking like that.

Clearing your throat, you took a deep breath and straightened up, attempting to put on your most serious face, even though your heart was still hammering in your chest.

"Look, 'Gumi," you began, your voice sounding steadier than you felt, using the nickname you had given him years ago. It rolled off your tongue easily, a little too familiar for the situation at hand, but you needed something to ground yourself. "I'm not sure what’s wrong. And I'm sorry if I did anything to make you upset, but you have got to stop this..."

You trailed off, knowing full well what the 'this' was. And deep down, Megumi knew too. It wasn't just about Yuji, or any other guy, really. It was him. It was how he acted—how he always got so weirdly possessive, so jealous, whenever another guy so much as talked to you.

You didn't even have to be interested in them; the mere mention of someone else was enough to set him off.

You'd seen it countless times. The sharp glares, the biting comments, the way his jaw would tighten at the mention of a boy's name.

It was always the same, this constant undercurrent of envy and jealousy that never made sense, and it wasn't just a protective brother thing.

No, it was something else.

Something darker.

Something you weren't ready to acknowledge.

Megumi's jaw clenched, and for a second, you thought he was going to say something or maybe even do something.

You braced yourself, heart racing with both frustration and something you didn't want to name.

But instead, he let go of your wrist, taking a step back.

"Fine…" he muttered, his voice low and almost too calm. "You're right, and I'm sorry."

You blinked, momentarily thrown off. Megumi? Apologizing?

He never apologized to you, not like this. Usually, he'd just brush you off, act like whatever happened didn't matter or somehow turn it back on you. But now, here he was, actually acknowledging his behavior.

It felt strange, and you weren't quite sure how to respond.

"Uh, well, um, thank you…" you mumbled, still processing.

It didn't feel real, this sudden shift. But before you could dwell on it for too long, you turned to leave again, ready to retreat to the safety of your room where you could put distance between yourself and this confusing whirlwind of emotions.

But just as you began to walk away, you felt it again—his hand, firm around your wrist.

He wasn't letting you go.

"Where's my apology?" he asked, his tone unsettlingly calm.

"Huh?" you responded, confused by the sudden demand. Your brain barely had time to catch up with the words before Megumi yanked you forward, pulling you off balance.

You stumbled, instinctively putting your hands up to steady yourself, but you ended up falling into his chest instead.

You gasped, your hands pressing against the solid warmth of him, trying to create some space, but Megumi's arm wrapped around your waist, holding you close.

The heat from his body seeped into yours, making it impossible to ignore how solid and overwhelming he felt against you.

"Megumi—" you started, breathless, but the rest of your sentence was cut off as he brought his lips close to your ear, his voice soft and commanding.

"Shush…" he murmured, the sound sending a shiver down your spine. "Let's just finish the movie."

With that, he pulled you back down onto the couch next to him, his arm still wrapped around your waist, keeping you tethered to his side. You were practically sitting on his lap, his arm still holding you close, and your mind was spinning, trying to wrap itself around what was happening.

The movie played in the background, but you couldn't focus on anything except the heavy tension in the room and the warmth of his body pressing against yours.

As you tried to shift away, to put some space between you, Megumi's voice pierced through the room, low and deliberate. "You know," he began, his hand dropping lower, his fingers brushing the inner corner of your thigh. "I just realized something… we never got to bond." He emphasized the word by gripping your thigh, his touch firm and intentional.

Your breath hitched at the contact, and your mind blanked for a second, overwhelmed by how sudden and intense his presence felt. "I-I mean, we still can," you stuttered, trying to defuse the situation, trying to keep this from going wherever it was heading.

But the way Megumi's face pulled into a wicked smirk, the sharp gleam in his eyes, made your stomach drop. He leaned in closer, licking his lips as he watched your reaction, his grip tightening slightly on your leg.

The air around you felt thick, it was as if everything had narrowed down to just this—his gaze, his hands on you, the heat of his body so close to yours.

Before you could even think of moving again, Megumi's hand suddenly gripped your jaw, his fingers firm against your skin as he turned your face toward him. His touch was possessive, controlling, and it sent a wave of something through you—part fear, part something darker that you didn't want to name.

"C'mon, look at me," he said, his voice a low murmur as he scooted even closer, towering over you now. He tilted your head back slightly, forcing you to meet his eyes, and even if you wanted to pull away, you couldn't.

His grip was too strong, too sure.

Megumi watched your reaction closely, his smirk growing as he tilted his head, amusement flickering in his eyes. "What's wrong? You don't wanna play with your big brother?" The way he said it, his voice dripping with a mock sweetness, sent shivers down your spine, and your heart pounded painfully in your chest.

"G-Gumi, the movie…" you stammered, trying to deflect, to push him away with your words, but it was no use.

You knew nothing good was going to come from this.

He just chuckled softly, his fingers gripping your jaw a little tighter as he leaned even closer, his breath hot against your skin. "Forget the movie," he muttered, his voice taking on that dangerous edge again.

Before you could react, Megumi grabbed both of your wrists, pinning them to your side with one hand.

You were startled by how effortlessly he did it—his arms didn’t even bulge, as if it was nothing for him to hold you down like this. Your heart raced even faster, panic starting to creep in as you realized how strong he really was.

You tried to squirm, to pull away, but Megumi didn't budge. His grip on you was firm, almost casual, like he was barely putting in any effort to keep you trapped against him.

Megumi tutted at you, a soft noise that somehow felt condescending, as he leaned in closer, his lips brushing against the shell of your ear. "The movie's still there, silly," he hummed, the warmth of his breath sending a shiver down your spine.

You could feel him nosing along the contours of your neck, his presence overwhelming every one of your senses.

"Let's just play a game until the commercials are over, yeah?" he murmured, his voice low and teasing, as if this were all some harmless joke to him.

"A-a game?" you stuttered, your mind struggling to keep up with what was happening. Your body felt frozen in place, your instincts screaming at you to move, to get away, but the grip he had on your wrists, the way he held you down so effortlessly, made it impossible.

"Yeah…" he whispered, his lips brushing the sensitive skin of your neck. "Let's play… who can last the longest."

The words didn't even fully register before you felt the sudden force of him pushing you back against the sofa.

An involuntary "oomph" escaped your lips as your back hit the cushions, and your vision blurred for a second as you stared up at the ceiling, heart pounding in your ears.

Before you could gather your thoughts, Megumi was hovering above you, his body blocking out everything else. His dark eyes raked over your face, taking in every flicker of emotion you couldn't hide, every sign of the fear and confusion coursing through you.

He didn't move, not yet, but the weight of his gaze pinned you in place as effectively as his body did.

There was something in his expression—an intensity that made your chest tighten, made it hard to breathe, and you couldn't help but feel like you were already losing whatever game this was.

Megumi let out a deep chuckle, the sound reverberating in your chest, his breath hot against your ear. "Don't worry," he murmured, his tongue flicking out to lick the curve of your ear, making you shiver. "I'll go easy on you… for now."

"Megumi—" you started, your cry cut off as his hand cupped your jaw, and he slammed his lips onto yours, his movements forceful and possessive.

Heat shot through your body, shivers running down your spine as his tongue invaded your mouth like a man starving. It was overwhelming, the way he kissed you—demanding, fierce, leaving no room for resistance.

You whimpered against his mouth, the noise muffled by the way his lips devoured yours. His hands wandered along your body, gripping, grabbing, squeezing any part of you he could find.

The pressure of his touch was firm, almost bruising, and with every place his hands explored, your body responded with an involuntary jolt of heat.

Your breath hitched as he hooked his hands under your legs, pulling them up and around his waist, his hips jolting forward into yours. The movement sent a rush of sensation through you.

You managed to tear your lips from his, gasping for air as your chest heaved. "M-Megumi…" you whined, your voice trembling, your head falling back as you tried to make sense of what was happening, what he was doing to you.

He didn't stop. Instead, he groaned low in his throat, his lips finding your neck. He licked and bit along the sensitive skin there, the rough scrape of his teeth making you shiver even as you tried to push the sensation away.

Your mind was at war with itself—one part of you frothing, screaming, fight him, get him away, the panic clawing at your chest. But the other side—the darker part, the one that you didn’t want to admit was there—was keening, practically begging for more of his attention, for more of this twisted game.

And Megumi, as if sensing the battle raging inside of you, just smiled against your skin, biting down a little harder, leaving a mark you knew wouldn't fade anytime soon.

Megumi pulled back slightly, making a deliberate show of licking his lips as he panted above you, his eyes dark and focused. "C'mon, lil sis," he murmured, rocking his hips into yours in a slow, rough rhythm that made your breath catch in your throat. "The game can't start until you're ready."

Your body betrayed you as you watched him put a hand between your bodies, his fingers easily slipping into the confines of your sleeping shorts. "Ohhh, looks like you really wanna play, huh?" he taunted, his voice laced with smugness as his fingers rubbed up and down your wet slit.

A wave of shame washed over you, your thighs twitching with the instinct to close, to shut them and stop what was happening, but his frame kept them wide open.

You couldn't escape the heat pooling low in your stomach, no matter how hard you tried to fight it. A choked whine left your mouth, your back arching involuntarily when he slipped a finger inside.

Megumi let out a groan, low and rumbling, as if he was savoring the sensation. "Damn…" he muttered under his breath, cursing softly as he felt your walls constrict around his finger. His thumb brushed over your clit, making your whole body jerk, and when he added a second finger, the fight in you began to crumble.

His fingers were relentless, rubbing and probing with a skill that left you breathless. Your legs, which had tried to resist, opened wider for him, your body moving of its own accord.

Megumi hummed in approval, a light chuckle escaping his lips as he muttered, "Good girl." The words sent a rush of conflicting emotions through you—humiliation, desire, confusion—but you couldn't stop the way your body responded to him.

And before you knew it, you found yourself overcome with an orgasm. Babbled whimpers fell from your lips as the coil within you snapped, your body shaking with the force of it.

By the time you came down from the high, Megumi had already pulled back, sitting on his haunches as he dropped your legs. You curled your legs up to your body, watching as he began to untie his drawstring sweats, his eyes still locked on you with that same wicked smirk.

You looked away just as you caught a glimpse of the dark trail of hair peeking out from his waistband, heart pounding in your chest.

At this point, you had accepted what was about to happen, and your mind raced as you braced yourself.

Megumi crawled back over you, his hands tugging at your shorts, and you barely registered the feeling as he discarded them over his shoulder. One of your legs was pulled back around his waist, the heat of his skin pressing against yours.

His body hovered over yours, and you felt him nudge your entrance with the tip of his dick, sliding it up and down along your slit.

A shiver ran through you as you struggled to keep your thoughts clear, but it was impossible under the weight of him, both physically and mentally.

"Fuck," he groaned to himself, eyes locked on where your bodies were beginning to connect.

Your breathing grew shallow, your heart racing uncontrollably, knowing that whatever came next, there was no turning back.

Megumi filled you in one swift movement, stealing your breath away. You cried out, the sound a mix of pleasure and pain echoing through the room. His groan was long and guttural, reverberating in the space between you.

Megumi's rhythm was steady, each thrust sending a jolt of shock of pleasure through your body.

It felt surreal—part of you couldn't believe you were letting this happen, but the undeniable pleasure clouded every coherent thought.

You wrapped your legs around his waist, pulling him deeper, the intensity of it all overwhelming your senses.

"That's right," Megumi grunted, his breath hot against your ear. "Take all of me."

You couldn't form words, your mind spinning, too overwhelmed by the sensations coursing through you.

Instead, all you could do was moan and whimper, your body moving with his, the sound of skin meeting skin filling the room. His hand snaked up to your throat, gripping lightly as he maintained a relentless pace.

"You like that, don't you? You like the way big brother fucks you?" he growled, his voice harsh and demanding, his thrusts becoming even more intense.

Your mind reeled, unable to speak, only nodding frantically in response as the pleasure built inside you. You could feel the pressure mounting, an orgasm threatening to wash over you as your body tensed beneath him.

Megumi seemed to notice, his hands hiking your legs up higher, deepening the angle, each movement more brutal and precise than the last.

You lay there, body writhing beneath his as he fucked you like a ragdoll, and a dark part of you couldn't help but thrill in the way he took control. His voice filled your ear with praise, breathless murmurs of "you're doing so good for me," and other words that barely registered through the haze, as if he were drunk off the feeling of you clamped around him.

Soon, his tempo shifted, becoming erratic, his grip on your hips tightening as his low moans became uncontrollable.

The intensity built until you felt warmth spreading inside you, the realization hitting you that he was coming, his release flooding your senses.

The throbbing between you two blurred together, until yours faded, and you could still feel him twitching, even as everything else calmed.

Eventually, he slowed, both of you panting, the room thick with the aftermath. You winced when he finally pulled out, a shiver running through you as you felt the hot liquid seeping out.

Megumi stood to grab cleaning supplies, gently wiping you off, his touch softer now, though still lingering in the tension of what had just occurred.

And as you lay there, watching him, all you could think was, What the fuck just happened?

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