Husband!Sejanus Plinth x Wife!Female!Reader x Coriolanus Snow
mdni!!!
wc; 3.3k
cw; cuckholding, p in v, some degradation, cheating, toxic reader really, lil bit of a breeding kink
kinktober 2024 masterlist
a/n; ah, the return of coryo and sejanus together in a fic. we talked about this idea/plot a while ago and it needed an appearance, so here you go lovelies!!! Enjoy!!!
Every brush of Coriolanus’ fingers was another bought of sin dumping itself all over your body. And you let yourself marinate in it each time. How could you not? Coriolanus and his perfect hair and clothes of refinery and voice as smooth as butter, it would be a complete loss if you gave up on the agreement you had with him, even after he married Livia Cardew. Even after you married Sejanus Plinth.
You would lose the feel of his strong hips and all encompassing hands, his lips that get redder the more you kissed him and the sight of his gelled hair messy and unkempt. Not to mention the rare tender moments post-sex where Coriolanus would complain about almost everything in his life except you.
Except you. You were excluded from Coriolanus’ complaint list which was a compliment without being a compliment. He’d be laid out, naked and panting, allowing you to share his proximity and exchange soft words until he inevitably had to leave. He was always coming to your penthouse. Livia was around too much. Sejanus too naive. But he worked. So the better option was always your apartment.
Coriolanus came barreling into the penthouse this late morning, the keys you gave him clanging against the dish on the small foyer table. You’re in the kitchen sipping coffee. At first you think Sejanus forgot something, but you see that glimpse of Coriolanus’ hair before you see his face.
He looks angry. His eyes icier than ever, his brow knit and his hair isn’t gelled to perfection. Disregarding the fact you weren’t expecting him right now, you don’t give him a look of shock. All you do is tilt your head at him as he nears closer, “Coriolanus, what’re you-”
His hands cup the mug in your hand and gingerly set it down on the counter behind you, then they cup your face, forcing your head up. Coriolanus slots his lips to yours in a heated passion. There’s little hesitation on your end. A surprise visit is welcomed in your eyes. You loved Sejanus. You really did love the man. He was sweet, he took care of you, he paid attention to you, he cooked, he did everything someone would want in a husband.
But nothing lit a fire in your stomach the way his ‘best friend’ did. Nothing would ever compare to the way Coriolanus kissed you hungrily every single fucking time his lips met yours. He holds your face with a firm grip, keeping you from backing out of it, though you were not planning to. Your hands found his sides, rubbing them in what you consider a soothing manner. The nosiness in your nature wanted to know what he was so angry about. Livia? Sejanus? Work? It couldn’t be you. Couldn’t be.
Coriolanus sinks his teeth to your bottom lip in a quick bite, then he sucks on it, smirking at your little moan. His thumbs span across your cheekbones in slow rubs, nipping your lips before giving you a break.
You breathe out your words the moment he breaks it, “What’s wrong?”
“Quick,” he mumbles, squeezing your face gently. Also quick.
“What. Is. Wrong,” you repeat, enunicating each word, leaning up to caress his jaw with your mouth, coaxing an answer out of him. What you’ve learned from these years of rendezvousing with Coryo is that you might be the only woman, only person who could coax deep, dark things out of him. Not that this would be that, but it did not mean you wouldn’t use those skills.
His jaw tightens and he keeps rubbing his thumbs on your cheeks like it’ll magically calm him down but his eyes glare still. “Livia. Just Livia…stuff.”
You raise your brow at his vagueness but the little hint that it was marital problems making him this agitated. You kiss right under his jaw, then let your teeth graze his skin. Coriolanus’ breath is heavy and he pushes his hips up to yours, crowding you against the kitchen counter.
“She was just pissy that I’m busy all the time, that’s all,” Coriolanus concedes, but there must be more to it than that. They fight all the time about how he’s busy. And he is. Between working in his position as the Head Gamemaker and fucking you, he had little time for Miss Cardew, ahem Mrs. Snow.
“Are you sure it’s not cause you’re barely fucking her?”
Coriolanus scowls at you, his left hand dropping to your hip while his right grabs around your jaw, “Don’t be so crude about it,” he tells you. If you didn’t know better, you’d scoff in his face, but you had no reason to anger him more right now. Coriolanus would never truly admit that he’s just as crude as you can be.
“So it is that?” You question, but your tone is airy. Your lips sliding into their dignified place. A smirk, to which he can’t keep his scowl too long. He rolls his eyes though.
“Partially, yes,” Coriolanus tells you, squeezing at your hip and dipping his head back down to chase your lips. A spark runs through you and you glide your hands up his chest to his shoulders, before you lock your hands behind his neck, pulling him close. He lets you, let you steal him into the kiss, his hips jutting a bit to yours in a silent plea to take things further, but all you can focus on are his lips.
You fucking loved that Livia was pissed about that. Coriolanus knew that. Jealousy was never in your blood, but you did feel a spark of confidence whenever Coriolanus admits he hasn’t been sleeping with his own wife when he’s supposed to be making the heir to his fortune. No, instead he’s been balls deep in you, emptying himself into you every two days until he was spent. You can’t say you’re not in a similar position with your own husband. Sejanus was a sweet lover. There was nothing inherently bad about the way he took you, but that’s almost the problem. It wasn’t sex and it wasn’t fucking, something you craved, something animalistic and primal was what you wanted. You might have mentioned it subtly to him once or twice, but Sejanus was merely not as confident in himself as he should be.
Coriolanus presses his hips to you again, now sporting a hard-on from the way your tongue trails his lips and slides into his mouth with no purpose but to lure him in. Your skin feels hotter, his fingers digging into your jaw, while the other tries to bunch up the nightgown you’re wearing. You would have let the man fuck you against the counter Sejanus was making his lunch on this morning, but the front door opens.
Coriolanus pulls away from you in an instant, face flushed and lips swollen, “Maid?”
You’re about to speak when Sejanus’ honeyed-voice calls out, “Sweetheart?”
Coriolanus’ nose wrinkles and he’s most likely going to slam his hand on the counter but you catch it, and push him back, taking a couple steps forward, and straightening your nightgown as best you can just as Sejanus rounds the corner into the kitchen.
Sejanus looks to you, then to Coriolanus, who leans back against the counter behind you. “Coriolanus,” he says, giving the other man a nod, to which Coryo only gives a nod back. You’re sure your husband is assessing. He would see Coriolanus’ lips are redder. That you’re both slightly disheveled. You haven’t looked but you’re sure Coriolanus’ bulge is hard to hide.
Now, Livia may not know of the affair. But Sejanus, he knew.
He caught the two of you around three months ago. It took a lot of softly spoken words and convincing but you got Sejanus to believe this was okay. It did not mean he liked it. But he allowed it. Coriolanus gave you a kiss on the mouth for it when you told him.
“I just…forgot my notebook,” Sejanus says, his eyes still darting between you two. You catch his gaze go down to Coriolanus’ crotch and it almost makes you feel that stupid pit of jealously you never feel.
You shake those thoughts away. Sejanus looked at Coriolanus’ crotch. Oh you’re spinning. You always thought there was something between those two men, though you never pushed it. Sejanus would get too blushy and Coriolanus would probably explode. Maybe that’s why Sejanus was able to brush past the fact you’re fucking Coriolanus, but you couldn’t be completely sure.
Everyone always called you impulsive for a reason.
“Oh, I’m not sure where it is. Have you seen it Coryo?” You look back at him and he raises a confused brow at you. He knows you better than your husband does. He knows you’re playing at something, but what, he doesn’t know.
“No?”
“It’s probably just in the bedroom,” Sejanus says, having made no move to walk to the master suite of your penthouse. He shifts on his feet and you glance back over to him for a few seconds, before you land your gaze to Coriolanus again.
You take the three steps over to him, grab his face and pull him into a hard kiss, a bruising one that has his breath shortening upon impact and his hands wrapping around you. You hear some sort of gasp leave your husband, but you don’t pull away. Neither does Coriolanus. Whether he’s figured out your game or not, you can’t stop kissing him, knowing Sejanus is staring. You don’t hear footsteps, you don’t hear him say anything, all you can hear is the wet smacking of your lips to Coriolanus’ and the man’s heavy breaths breathing a new sort of life into you.
You don’t stop Coryo when he ruts his hips into yours, making you feel how hard he is, that he’s not planning on backing down for whatever you’ve got brewing in your head. It spurs you on, leaning your head back and breaking the kiss, letting Coriolanus taint your neck in sin as your eyes lock to Sejanus’.
He’s flushed, mouth slightly parted. A hand to the counter near the doorway and his pants tight.
You moan.
Coriolanus lifts his head, having not expecting the sound yet, but he glances to Sejanus, notices the same thing you did, then shares a look to your husband.
…
It was a blur. Coriolanus tugging you to your bedroom, to yours and Sejanus’ bedroom. Telling Sejanus to come with, Sejanus actually following.
In your fantasy, Sejanus would cut the shit and kiss the life out of you, fuck you like he should and show he’s your husband, but the perfect fantasy comes instead when Coriolanus nudges on Sejanus shoulder towards an armchair, then he grabs your waist, picking you up and practically throwing you on the bed.
It makes you stare at him a little wide-eyed, his finger working the buttons of his shirt, “I’ll show you what we do,” he says to Sejanus, who’s sitting back in the chair just as wide-eyed as you are. But god, the fucking noticeable tent in his pants makes you squirm, moving to push your nightgown up over you, but Coriolanus swats your hands away, “No keep it on.”
Coriolanus kicks his shoes off and lets his shirt fall to the ground, standing at the foot of the bed and holding his hand out for you. You turn over and crawl to him. You wonder if he thinks you’ll hesitate now that you’re in front of Sejanus, but you want to prove otherwise. Have to.
Have to see the look on your husband’s face. So without a thought of anything, once you’re close, you let Coriolanus’ hand rest to your head and you nuzzle your face into his groin, nose sliding along the length of his cock that’s visible through the fabric.
“She’s a whore for it,” Coriolanus mumbles, to himself, to you, to Sejanus, who knows. You almost comment, ‘crude,’ but you’re too busy finding his tip and latching your lips over the fabric so you can hear his breach hitch and his hand press down on your head.
“You don’t have to call her that,” Sejanus speaks for the first time. His hand is over his lap and his eyes are glued to the scene.
Coriolanus chuckles, “I don’t. But she likes it. Did you know that?” He pushes his hips up to your face more, then shoves your head away, undoing his belt as he looks over at Sejanus.
“Well? Did you know that?”
Sejanus swallows, watching you wait patiently for Coriolanus as he drops his belt and pushes his pants down, followed by his boxers.
“N-No,” Sejanus says, eyes stuck on Coriolanus’ hard, dripping cock in the same way you would look at it, which you are, reaching under your nightgown to take your panties off. Once they’re at your ankle, Coriolanus grabs them and tosses them to Sejanus, “There fuck those.”
You want to laugh so bad. Coriolanus is a fucking lunatic and you love him. God, you love him You love that fucking man, what the fuck.
Coriolanus kneels onto the bed with you, leaning in to kiss you. It’s softer than you would expect it to be, then he trails kisses from your lips to your cheek to your ear, whispering, “don’t speak too much. I can do it. Just enjoy yourself.” You give a slight nod and he nips your ear, turning your body over.
You take his lead and lean your head down to your plush pillows, your backside raised and ready for him.
Coriolanus pushes your nightgown up around your hips and rubs his fingers on your ass, massaging the skin as he spares Sejanus a look. “I haven’t touched her,” he starts, glancing between your legs, “but I can see it. She’s soaking. Already a wet fucking mess for…,” Coriolanus purposely trails off, teasing his knuckles against your cunt, and pressing one of them to your hole, kneading his knuckle against it.
“For me, mostly…but she fucking loves you’re watching, Sej.”
Sejanus swallows, but his mouth is dry. His hand instinctively rubs to his bulge and Coriolanus sees it. Smirks at it.
He rubs his knuckle against your cunt in slow dragging movements that have your head spinning. Coryo drops his other hand to his cock, giving it a slight tug before lining it up more to you. “Bet she’s been so happy she doesn’t have to hide this,” Coriolanus all but murmurs, taking his knuckle away, but quickly replacing it with the tip of his cock, rubbing it through your lips, getting himself wet with you.
“Oh, I wish you could feel this right now, Sejanus,” Coriolanus groans, watching you nuzzle your cheek to the pillow in annoyance over how much he’s teasing you. And his words. Of course.
“Yeah,” Sejanus replies, but then he gets a burst of something because you hear him say, “I know what that feels like. To do that to her.”
Coriolanus hums in thought to that as he starts to sink himself into you. It’s torture, only feeling the head of his dick inside you, somewhat easing a slight tension, but nearly not enough. You’re almost more surprised he’s holding back so much when he normally can’t, but maybe it has to do with your husband sitting in the armchair nearby. Maybe.
“You know some if it,” Coriolanus says, voice huskier as he pushes more of himself into you, “but she’s not getting fucked by you, Plinth.”
He thrusts the rest of himself into you, your cunt taking him like it’s meant to be there, his hands grasping your waist as you moan out.
“I don’t know how you can’t fuck her,” he grunts, drawing his hips back and slamming then back into you, a half-smile gracing his lips when you grip to the sheets tighter.
“I-I do,” Sejanus says, his hand still palming himself.
“No. You don’t. You make love to your beautiful fucking wife but you don’t do this.” There’s venom to his words, like he’s upset on your behalf, like he wishes your husband fucked you hard and rough, snapped his hips you like Coriolanus is doing now, the sound of his skin hitting yours getting more apparent.
You moan for Coriolanus, asking for it harder and he really does try not to laugh. But he does. This is so perfect. “Are you hearing her? Poor Mrs. Plinth needs a good fucking and you’ve been keeping her from it?”
You can’t see Sejanus. And Coriolanus knows this too. He knows especially when you try to turn your head to catch a glimpse, but he distracts you with a particularly sharp thrust of his hips, leaning his body down over you. You can feel the sweat of his chest and his ragged breath to your ear as he murmurs, “Baby, he’s touching himself. He’s getting off on it, so don’t worry your pretty little head.”
His words only make you whimper, and Coriolanus’ hand collides to your ass in only one slap before leans back up. “At this point, I’m her sex life. Not even her husband. That’s sick.”
Coriolanus fucks into you like he’s hungry. Like he needs to wreck you as much as he can since it’s front of Sejanus, a Sejanus who has slipping his hand down his pants, a Sejanus who can’t argue against Coriolanus’ words.
“Sejanus watch, don’t fucking look away,” Coriolanus spits out in a rushed tone, so you can only assume Sejanus did look away. Your moans are tumbling out of you, your body on fire as his cock pounds into you. You can feel him twitch and you know he’s close.
“Don’t look away,” he pants, “I’m gonna fill your wife’s cunt with my cum, gonna fill it all up, gonna give her my fucking baby,” Coriolanus grunts with each push of his hips. His words must surprise even him because his hips stutter before they regain their purpose and you whine. You whine for his seed, for him to breed you like he should have been meant to. You knew he would never speak those words about Livia and it turned you on to an unimaginable level.
With the first spurt of his load, you spasm against him, cumming with Coriolanus. A louder whimper leaves you while he grunts, his voice cracking with his last few words, “that’s it, that’s fucking it, you see this, Sejanus? You see this? She comes like this for me. All for me.”
You grin tiredly at his words, letting your body rest as Coriolanus pulls out of you. When you can look over at Sejanus, his hand shaky and his pants have a wet spot. It almost makes you want ot crawl over to your husband and take care of him again. Maybe this will change him.
But Coriolanus cups your face in his rough, warm hand and kisses your nose as his other hand cleans between your leg with your blanket. He whispers so only you can hear, “I’ll see you tonight,” then he’s finishing getting changed, saying absolutely nothing to Sejanus, and walking out.
Sejanus is glued to his seat still, staring over at you. With lust, with disgust, with awe, all of the above. It almost makes you nervous. Almost.
“You should-”
“I should-”
You both stop when you speak at the same time, then Sejanus stands up, “I should go back into work,” he says and you nod. Your husband tentatively takes a few steps over to you, then leans down and kisses the top of your head, before walking to his dresser to grab new pants and boxers, then he’s gone.
There’s disappointment welling in your stomach. He could’ve fucked you nonsensically after what Coriolanus did, but Sejanus just kissed your head.
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