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Iron and Stone

Summary:

“Well, how are you finding this so far, cutie?” Tetsu asks, “You still up for the challenge?”

Challenge? Your mind struggled to stay in focus as the man returned his attention to your neck. You tried to recall the events earlier in the day, when you, perhaps not so innocently, pitched the ask of who was better in bed, whilst blowing off steam in the bar after patrol.

or

Reader ends up in a threeway with her two bosses, and can't recall how this all came to be

Notes:

omg I'm so very not good at smut *runs away*

(See the end of the work for more notes.)

Work Text:

You still felt slightly confused as to how, and why, you found yourself in this situation; or hell, even who made the first move, but in reality, you didn’t particularly mind. 

The bedroom you were in is currently, well mostly, in darkness, save for the bedside lamps which caused shadows to dance across the walls, amplifying the hot and heavy atmosphere lingering in the air. You wondered if the heat was a result purely of the humid evening air, or simply radiating from the two large figures also present with you. 

Part of you had expected things to feel strange, or at least somewhat unusual. ‘Strange’ would be a reasonable assumption for anyone finding themselves sandwiched between their two bosses, with two pairs of large calloused hands erotically caressing the curves of your torso. You felt helplessly small in comparison, trapped like prey, but also entirely elated surrounded by burly walls of hot skin and muscle. 

You watched Kirishima greedily, as he brought himself closer to you, just a moment ago; folding his arms around you, lacking all notion of self-consciousness in his state of undress, muscles flexing as he pulled you closer. The fitness of his body pressed against your chest; he was shirtless, allowing your hands the ability to wander across the muscled expanse of his chest. He was still dressed from the waist down, for the time being at least.

Kirishima towers over you as his arms move up to caress your cheeks with both hands, long hair cascading over his face enough to tickle as he presses his lips to yours with a gentle passion. You feel a rush of heat spread throughout your body as his kiss deepens, his tongue seeking entrance to your mouth.

The equally firm posture of Tetsu held you firmly in place from the back, his body pressed tight to yours. A gasp was stifled by Kirishima’s lips returning to yours, as Tetsu’s hands painfully circles your hips, and brushed warm playful kisses along your neck and shoulder. You could feel the cold metal of his hero consume press into you, sending a wave of shivers down your spine. 

A voice caresses your ears, as your mind re-focuses on the hard sensation of your boss's erection against your lower back,

“Well, how are you finding this so far, cutie?” Tetsu asks, “You still up for the challenge?”

Challenge? Your mind struggled to stay in focus as the man returned his attention to your neck. You tried to recall the events earlier in the day, when you, perhaps not so innocently, pitched the ask of who was better in bed, whilst blowing off steam in the bar after patrol.

The only sound that could escape your mouth was a quiet whine, as a small bite to your neck caused your back to arch, pressing further into the growing erections on both sides of you. Kirishima took this moment to slide his tongue against yours, mingling in a slow dance as thumbs continued to stroke the sides of your face.

His hands began to caress you, ghosting across your skin as they trail across your chest, stomach, and thighs. Even through what remaining clothing you, for some reason, still have on, feels nothing short of electric, the feeling of a warm pooling becoming more apparent between your legs. 

Tetsu makes his way to the other side of your neck, burying his nose just behind your ear, causing you to giggle as he playfully nips at your lobe. You can feel his smile against the crook of your neck at your reaction, as he trails his bites further down your neckline. 

You feel yourself being pulled tighter against his body, a muscled atm latching itself around your waist. His free hand begins to tease you mercilessly as he thumbs along your lower stomach. ‘God those hands’, you think to yourself as your arousal continues to increase.

Kirishima leaned back from you, just enough to allow Tetsu lower access. His fingers begin rubbing through the thin layers of your clothing, placing enough pressure to have your hips buck from his touch. 

Kirishima’s hands continue to tease along you, forcing apart the backs of your thoughts to allow easier access for Tetsu’s probing digits. You felt the hero chuckle into your neck, as he skillfully slides a finger past the waistband of your underwear, brushing gently through your folds as it makes its way back up to circle your clit. 

“You like that, huh sweetness?” he murmurs, circling the hard nub with ever-increasing pressure. Your legs were feeling more and more like jelly, with every passing movement. The dizziness could have been from the sense of overwhelm, but more than likely from the lack of oxygen, Kirishima seemingly unwilling to let his lips part from yours any time soon, while Tetsu’s continued to cause vibrations at the back of your neck. 

Tetsu’s fingers felt like magic, pressure easing off your clit as he dipped his finger lower to your entrance, allowing it to gently slip inside you before pulling back. He gathers your building wetness to spread across your clit, thumb firmly rotating as he adds another finger inside you. You could feel your body tightening, a lack of control building as your inner muscles tighten and shake while he brings you to orgasm.

Kirishima steps back, panting heavily as he looks at your flushing face. Tetstu still has one atm wrapped solidly around you as he extracts his hands from you, extending an arm in front of him. You look on in blissful awe as Kirishima takes the digits in his mouth without hesitation, rolling them around his mouth, moaning and lapping the remnants of your wetness from them.

You can’t help but whimper, and lean further into the chest behind you as you take in the incredibly erotic sight of your bosses. Time felt momentarily infinite until Kirishima releases the fingers from his mouth before capturing your lips yet again, allowing your senses to taste a mixture of both yourself and the two men in exchange. 

You felt so caught up in the moment, recovering from your orgasm, that you had hardly noticed the lack of muscle pressing against your back. But before you had a moment to consider where Tetsu had gone, Kirishima’s hands dug into your hips, turning you to move further into the room.

You watched as Tetsu removed the majority of his clothing in a painfully slow fashion. Your eyes follow each move as his costume is peeled off and folded, his accessories set gracefully on the bedside desk. Kirishima had kept his grasp firmly on you, chest pressing in against your back as you felt his cheek rub against your hair. 

You begin to marvel at the sight and comparison of both men surrounding you. Whilst Kirishima radiated a sense of defined bulk and leanness, Tetsu’s entire physique was much more broader and rugged. The smirk on Tetsu’s face as you watched him, displayed nothing but the aura of a man who was ready to fuck you until you couldn’t remember your name; Kirishima, on the other hand, felt almost tender and shy in comparison, staring down at you like a gentle lover with a cautious touch. 

You were quickly pulled out of your daydream by Kirishima rubbing his erection into your back in a not-so-subtle manner, his voice hot and breathy in your ear, “You enjoying the show, sweetheart?” he smirked. You could not respond, your brain devoid of all ability to formulate coherent sentences. 

Tetsu had stripped down to only his boxers, cock straining heavily against the fabric. You tried your best not to keep your eyes solely focused on that spot as he saunters towards you with a satisfied grin. He leans down to reach for a kiss from you. His lips felt rougher than what you had experienced just minutes ago with Kirishima, the slight scuff of evening stubble scratching across your face as his kisses convey a sense of lust and urgency. 

Tetsu works as a well-versed distraction as Kirishima works to remove the last articles of your clothing. You can feel his hot breath against the small of your back as he kneels to pull your trousers away from around your feet, flinging them across the room as sharp teeth come to nip playfully against your ass. 

You yelp, not expecting the biting sensation to only increase the wetness between your legs; as Kirishima stands up, Tetsu takes a moment to pull away from you as large hands return to your body once again, leading you a few paces forward.

Tetsu crawls onto the bed, lying with his back down before reaching out an arm to take a hold of you, pulling you forward until you’re propped on all fours above him. Behind you, you feel aware of the extra body coming in from behind, Kirishima’s arms reaching around your middle once again as he towers over your back.

Tetsu pulls you down for a kiss, his tongue running along your teeth before sliding into yours, hands wandering your now fully naked skin. Hands worn from years of combat and hero work electrically skimmed the surface of your body, sending constant shivers everywhere they touched.

You moved a hand forward, attempting you balance yourself against the chest of the man below you. Cautiously exploring his skin, you pause as you rest against his hips. You hear a sigh escape from Tetsu’s lips, watching as his eyes flutter closed as you continue to caress his torso. Behind you, Kirishima attempts to distract you from your actions, trailing a wet line of hot kisses from the base of your neck along your spine.

You shudder involuntarily as Kirishima presses himself back into you once again. The vastness of body area felt overwhelming to explore until the wetness of Kirishima’s precum lingering against you pulled you from your mindlessness. You could feel him angle his hips, sliding his cock between your legs, angled so he could rub into your folds in a painfully slow motion, never taking the last move to enter. 

Underneath, Tetsu bucks his hips upwards, brushing the front of his still-clothed dick against your clit. Squirming at the sensation of the two, you adjusted yourself, rotating to feel more of the pair moving back and forth along your skin. 

The only noise in the room was the sound of heavy breathing; Tetsu wore a face of concentration as his hands reached up to cup your breasts, fingers rolling your nipples in tandem before he leaned up to take one in his mouth, suckling and nipping softly. Kirishima’s breath felt like fire against your back, an animalistic rumble reverberating deep from the chest still pressed against you. 

Without warning, Kirishima shifted his position above you. His hips thrust forward, burying himself to the hilt within your tight body. You moan and cry out, your breath catching in your throat as you process the sudden intrusion. Kirishima’s dick was thick, incredibly so. He takes only a moment to allow you to adjust to the stretch, before slowly drawing his cock out, and pushing himself back in with full force, clearly taking pleasure in the sound of your shrieks as your hand press hard against Tetsu’s chest.

“Sorry baby, Ei’s never had that much patience,” Tetsu hushes, a mischievous glimmer in his eye, as he continued to roam his hands across your breasts.

Kirishima takes hold of your hips, cock continuing to massage your walls, as though he was searching for a particular spot to place his focus on. Tetsu merely gave you a chaste kiss, before sliding back to a free spot on the bed. You can only watch him as he pulls the waistband of his underwear over his now painfully hard erection.

You can’t help but whimper at the sight of him completely naked, as he repositions himself against the headboard. He remains silent, but stares longingly at you, hand wrapping around his member in long, slow pulls, pre-cum glistening from the tip of his cock.

You watch each other, unable to hold back the moans escaping from your lips as he teases himself. As tantalizing sight as it was, every second felt like agony at the same time. You wanted to taste him. Run your tongue over his exposed skin and along the thick veins, to taste the slowly leaking precum, but alas, he was just too frustratingly out of your reach.

Kirishima’s angle remains deep, with sharp, thought-out thrusts inside you, the slapping of his body into yours echoing across the bedroom as your arms begin to give out from beneath you. He pushes you further into the mattress as you cry out and start to chase your own orgasm. 

Painfully, you begin to notice Kirishima’s thrusts slow until he eventually pulls out, and you whimper in protest. Remaining silent, he places a growling kiss on your neck before lifting your body effortlessly off the back, sliding you into Tetsu’s waiting lap. 
The front of your body rubs against the gray-haired man's cock, trapped against both your stomachs as he wraps his arms around you. 

“I may not have patience, but at least I can share man,” Kirishima’s tone is more mocking than upset; a menacing grin is shared between the two men, as he moved from behind you to allow Tetsu to slide hands across your back.

“I’ve told him before cuteness, it’s not very many to be greedy,” Tetsu mummers seductively into your ear. Kirishima snorts in response,

“Yeah, like you’re one to talk man,” he huffs, watching Tetsu smirk as you giggle at their exchange. Tetsu’s hands wrap tighter around your waist, easing you to move forward toward him. Straddling his waist, you slowly sink yourself onto his waiting cock, embracing the new angle and the different feeling compared to Kirishima. 

His hands are guiding, you as you rock your hips above him, “God, Tetsu,” you gasp.

Leaning upwards, he places calculated kisses along your neck, trailing down your collarbone until his mouth resumes its position at your breasts. Teeth bite down gently as he takes one nipple, causing your back to arch; which to his delight, only aids in pushing your breast further into his face. He takes your other nipple between finger and thumb, giving it a gentle tug. 

You feel so unbelievably full as his cock moves within you, sending constant tendrils of pleasure up your spine. Tetsu rolls your hips in his hand, causing your head to shamelessly fall back in pleasure; closing your eyes and listening to the gentle moans of the man below you. 

You feel him buck harder and rock you forward, forcing you to tighten your grip on his chest as your knees dig further into the mattress in a futile attempt to keep yourself balanced. He takes control of the movements, his pace changing as he no longer thrusts up in a steady rhythm. Tetsu continued to pull you forward until you fumble, finding yourself sprawled across his chest. You felt the erratic rise and fall of his chest as he kisses your forehead, lips working their way across your face as a grip around your waist holds you firmly in place.

A sense of exasperation washes over you, feeling trapped as his cock filled you, unable to move with your arms pinned by his side. He senses the unease in your expression over the newfound position, and smirks, 

“Shush cutie,” he whispers in your ear, “just relax for us, I gotcha.”

You take a slow deep breath, focusing yourself until you feel a brush of familiar skin behind you. You had almost forgotten Kirishima was there, getting yourself too lost in the grey-haired man's actions. You began to wonder what he had been doing whilst you were busy with Tetsu below you. Was it just watching? Was he touching himself?

Kirishima kneels behind you, between your and Tetsu’s legs. You feel the brush of hardness against you, and the sound of a bottle clicking open. Wait, where are they planning to…?

Your thoughts were cut off by an unfamiliar sensation; you tense and begin a scream, until Tetsu muffles your cry with a kiss, Kirishima's hand on your shoulder, thumb rubbing gentle circles into your skin as he hushed. 

It was too much; far too much, the feeling of both of them moving slowly inside you made the burning stretch that much more noticeable, filling you. You were wet and aroused, not denying that it was something you had shamelessly fantasized about in the past, but neither men were particularly small, and it felt impossible for your pussy to fit them both.

You whimper as Kirishima moves a hand to your hips, driving himself further into you whilst pulling your body back towards him. Breaking away from Tetsu, you crash onto his shoulder, teeth sinking into his skin; he shudders beneath you and sighs, flexing his hips upwards. 

Before long, the two men establish a rhythm, sinking in and out of your body with firm, fluid motions; Kirishima feels hot and rough above you, burning into your skin with each movement, yet Tetsu feels controlled, almost restrained but well-practiced. 

Your pussy begins to loosen at the sensation, adjusting itself to the stretch of the two cocks within it. You feel wonderful, blissed at the complete sense of fullness to the point where you can move your hips ever so gently in time to match their juxtaposing thrusts. You start to become more aware of the pressure building love in your abdomen again as the slick cocks push you further and further to a complete state of arousal, neglecting to focus on the faces of either men encompassing you.

Kirishima pulls out abruptly, as you whine with the empty feeling left behind; Tetsu’s thrusts slow to a gentle rhythm, hand carding through your hair at your sense of disappointment. 

Kirishima’s fingers delicately rub the sensitive flesh of your ass, ghosting closer and closer to your hole. You tensed, wondering if he was planning on penetrating you there as well.

“Just say no if you don’t want it, sweetheart,” Tetsu cooed, “I promise, it’ll feel real good, but we don’t haveta do something you don’t want to do.” He must have sensed your apprehension, or more likely the way your pussy clamped around his cock when the nerves began to build. 

“No, it’s fine,” you breathed, “You can, I wanna”

“That’s a girl,” Kiri leaned forward to kiss the crown of your head, “Gonna get you nice and ready sweetheart, just breathe for us, ‘kay?”

You nodded as you heard another click of a bottle opening, followed by a cold, wet sensation on your hole. You breathed in deeply and exhaled, as Kirishima slowly let one finger press in past the ring of muscle. He works slowly, almost too slowly after a while. At the same time, Tetsu’s hand remains in your hair, stroking it softly with words of encouragement. 

Kirishima’s finger probes and massages inside of you, sinking only to the first knuckle until your impatience causes your hips to roll back deeper, a small gasp escaping as you accustomed yourself to the newfound sensation. A second digit soon fillers, stretching you wider as all the air escapes your lungs. They begin to move in a scissor motion, muscles failing their protests at the unfamiliar invasion. 

Soon fingers are gone from your body, and a sense of internal confusion washes through your mind, unsure if you were happy or annoyed at the emptiness. Before too long, a larger, slicked pressure is pushed against your opening and you feel tense, not quite confident you’re ready for what’s about to happen next.

Kirishima pulls back, kissing your neck and shoulders as Tetsu’s free hand caresses your sides. Slowly, his hips flex forwards, repositioning the tip of him against you; he flexes forward, and your breathing hitches, your voice completely vacant at the foreign feeling.

Kirishima stills after a few moments, permitting you a chance to become familiarised with the new sense of fulness. His hips start to ease forward, inch by grueling inch until he is fully buried inside you. You squirm, not quite sure of the sensation, but slowly allowing yourself to become accustomed. 

Tetsu’s body slides back and forward, resuming slow shallow thrusts, as Kirishima starts to gently pull out to match the other pace. They take their time with you as they kiss the bareness of your skin, both pairs of eyes darkening in their eagerness. 

As their paces begin to quicken, your brain feels as though it’s going into overload, rocking back and forth between them. Your body clamps shut around both hold as wetness floods you, unable to vocalize your orgasm whilst every muscle in your body inadvertently tightened.

Your body felt boneless, and weightless as you fully collapse onto Tetsu’s chest. There’s not a single ounce of energy left in you, unable to keep their trust as you lie there blissless.

Behind you, Kirishima’s grunts become more wanton until his movement abruptly stills, hot ropes of cum pouring into you. He leans down and attaches his mouth to your neck, panting heavily as he kisses your nape, hands caressing your sides as you lay there. Tetsu tempo quickens as the last to finish, hips bucking against you at a furious pace. He’s not far behind the pair of you, as you feel yourself filling up. 

You giggle, euphoric as you listen to the ragged breaths of the man below you, your ear taking in the erratic heartbeat; your whole body aches, and you can feel the sticky sensation of their cum starting to spill out around their softening cocks. 

Kirishima strokes your hip, “So, who do you think, huh?” he laughs.

“You seriously expect me to choose a winner after that?!” you pant, feeling the rumbles of both men's laughter around you. You don’t have any words to say.

“I think maybe we should get you cleaned up though hun, you’re both welcome to spend the night too if you want?” Kirishima leans over you, sighing as he slips out and reaches for a towel. 

“I think this one definitely deserves a bath. Go start the water Ei, I’ll carry her there.” Tetsu maneuvers you off his chest and onto the mattress, taking the towel from Kirishima to begin wiping away the sweat and cum on your thighs. 

“Yeah, I don’t think I could walk even if I tried,” you mumble, already sleepy and exhausted. You wanted to do nothing more than lie there until sleep took over, wrapped in their warm, sweat-soaked bodies.

Tetsu rolls off the bed, before moving around to scoop you up effortlessly, “We’ll get you all nice and cleaned up…but maaaybe we’ll skip round two in the bath I guess,” he laughs.

Round two? You slowly think these two will start to become the death of you, but maybe that wouldn’t be quite so bad after all. 

 

Notes:

Congrats for making it all the way to the end! And apologies for any spelling errors I should probably go back and proofread it a fourth timeasrfghjjhgfd
Anyway! KiriTetsu has my heart in a vice at the moment and I am entirely okay with that ( ´ ∀ `)ノ~ ♡