[[ Unedited ]][[ Female Reader Pronouns ]][[ NSFW ; Smut Warning ]][[ Word count: 2105 ]][[ Kinktober day 22 - Threesome ]]

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     "What the fuck is going on here then?"

     A voice growled from the doorway, and you almost had a heart attack. When you and Shoto had got it on in your dorm, in the 3-A alliance building, you had thought you'd be all alone. The class were out on a trip – Shoto and you had gotten in trouble (though really you were the one who convinced him to help out with the prank) – and hadn't been allowed to go, leaving the whole dorm just for the two of you.

     Nothing serious was between you and Shoto, you used each other for sexual release whenever you needed it, and that was how you were both comfortable with having it. But, what you hadn't expected while bouncing yourself on his cock in the common room, was for the door to swing wide open.

     "Katsuki!?" You gaped, all movement stilling and your arms wrapped around your body in an attempt to cover yourself. Shoto leaned up to peer over your shoulder, looking for what the disturbance may have been.

    "Oh? Katsuki. I wasn't expecting you." Shoto noted calmly, letting his hands rest on your bare hips. Your face was flushed red with embarrassment and you turned your back to Katsuki again, letting your forehead fall against Shoto's shoulder, hoping for the ground to swallow you whole.

     "Fucking clearly." The blonde hissed, and you heard the door slam behind him as he entered the common room, the sound of his rucksack being dumped on the ground and his shoes being kicked off.

    "What are you doing here?" Shoto calmly questioned, as if he hadn't just been caught completely nude, cock buried to the hilt inside of you as your nude body straddled his lap.

     "Got fucken' sent back for hitting dunce-face." Katsuki grumbled, and there was more rustling of fabric as his jacket was tossed to the side too.

     "Not surprising really." Shoto nodded. You were fairly mortified about the situation, how could Shoto be having a casual conversation with Bakugou while you were both nude, caught in a situation like this? You'd been trying to keep it on the down-low what you were doing with Shoto. There wasn't anything wrong with your arrangement per se, but you guessed a few of your classmates would have a thing or two to say about it, should they find out. One of those being Bakugou.

       "Much to your surprise, the hands on your hips began to gradually lift you, before pushing you back down over Shoto's length. You gasped out slightly in shock, nails digging into his shoulders.

      "Shoto!" You hissed out as the pleasure slowly returned as he guided you to move again, you could practically feel Katsuki's gaze burning into your back – more specifically, where you and Shoto were connected as one.

      "I'm not stopping just for him." He stated calmly, guiding your movements ans your face became a vicious crimson, but you couldn't deny that the pleasure was returning no matter how painfully embarrassed you were.

     "Is that all you two get up to?" Katsuki scoffed, and though you couldn't see it, his ruby eyes rolled. "That ain't how ya fuck a woman, Icyhot. You'll be lucky to make her cum at that rate."

     "We were doing just fine before you interrupted, thank you." Shoto just sighed and leaned in to your neck, pressing his plump lips against the hollow of your throat, to which you sighed out softly. You couldn't shake the feeling of Katuki's eyes glued to you so intently, it made it hard to relax and enjoy Shoto's touch, no matter how skilled the half and half boy was.

     "This is painful to watch." You heard the sounds of Bakugou's footsteps approaching, and practically shivered as you felt his presence looming awfully close behind you.

     "Then don't." Shoto met the other boy's eyes, still with his lips pressed against your throat. Of course, you missed it, but a territorial glint shone in his bi-coloured eyes.

      "Fine, I won't. I'm sure she won't mind me using her to demonstrate the right way to handle a woman." Katsuki sneered, and Shoto's eyes narrowed as he felt the way you tightened around him at the other boy's words. The sound of Katsuki's belt clinked behind you and not a moment later, he had gathered you up into his arms.

      "Katsuki-" You mumbled softly. Your back was pressed against his chest as he held you by the underside of your knees, legs still spread wide open. Despite how agitated he was from having his alone time interrupted, Shoto could appreciate the sight of your spread wide open and vulnerable before him, this position gave him the perfect view of your sopping core.

     "Hey, Princess." Bakugou purred into your ear, teeth snagging onto your earlobe in a gentle bite. "You wanna feel how a real man fucks, princess?"

       "Show me." You nodded, with a breathless gasp. This was entirely unlike you, if you were being honest, but you were so heated that it was hard to care. As soon as you realise that Bakugou was not the type to go running his mouth about what he saw – rather, insert himself into the situation (and, soon to be, you too), your embarrassment had dissipated in favour of your burning need. Besides, you had two of the hottest boys in UA right, how could you possibly skip out on a situation like this?

      "You wish is my command." His rough chuckle came in your ear, and you felt his cock sliding along your folds. The sensation made you whimper- He'd gotten hard pretty badly, it was fairly pleasing to think that this was all because he'd seen you getting railed by someone else, it was exciting he found you attractive enough to get hard for.

      You barely had a moment to think before he lowered you, less than gracefully, onto his throbbing cock. He was more girthy than Shoto, and stretched you out wider. The feeling made you mewl out and squirm your hips as best you could, head throwing back against his shoulder.

      "You better be careful with her." Shoto warned, eyes narrowed at Bakugou as he began to rock his hips against yours, listening to your faint sounds beginning to form.

      "Why, Icyhot? Worried you won't live up to my standard?" Bakugou grinned at the other boy over your shoulder, his pace purposely increasing, jarring louder moans from you. He no doubt did this on purpose, and was only trying to show off to Shoto, but you could help yourself from going along with it, letting out exaggerated moans and mewls. You weren't usually so vocal, but Katsuki, already, really was just that good.

      "No." Shoto, in front of you, was leisurely stroking himself as he watched your expression. He purposely kept his eyes away from where Katuki was rocking into you – he found he didn't really like the sight of another man doing such things to you – but your pleasure expression was something he could always appreciate. "I wouldn't want you to disappoint, and make a fool of yourself."

      "Bold words there, Icyhot." Katsuki grunted, and sent a particularly hard thrust which jolted your whole body up against his, and you choked out a cry, gripping onto his muscular arms desperately, hoping for some support.

       "Well see." Was all Shoto said as he stood from where he'd been lounging one the couch leisurely. Both hands came to your breasts, taking them into his warm and cool hands, squeezing them appreciatively. "So pretty..."

      "God, you touch her like a pansy." Katsuki growled out again, hips slamming harder and harder into yours, colliding with your backside with a lewd slapping sound. It stung faintly, but only added to your euphoria. Shoto always had been more slow and sensual when the two of you got together, but Katsuki gave you that ferocity that Shoto sometimes lacked.

     "I'm just taking my time." Shoto didn't bother to lift his eyes from your breasts as he toyed with the, before taking your nipples between his thumbs and forefingers, softly squeezing. Katsuki's groan was in synch with your own mewl as you tightened around him, Shoto's soft touches never failing to drive you wild. "You may fuck, but I prefer to appreciate..."

      "Cute." Katsuki growled in sarcasm, practically plunging himself into you without restraint, bouncing your body against his in his harsh grip. You listened to the two bickering back and forth, but your panting and mewling kept you from speaking very effectively. You burned up with desire, it had been a while since you'd been satisfied quite like this, and you were fast approaching your release. "How very cute. But that shit won't make her cum."

      "If that's what you think." Shoto responded indifferently, and after a moment more of toying with your breasts, he sank himself down to his knees before you. One hand gripped your hip to steady your body from the harsh thrusts Bakugou was delivering, other reaching down out of sight to satisfy himself at the same time. "Either way... I'll stick to what I do. It's been very effective so far."

      Shoto gazed up at you, and seeing him in that position, kneeled between your spread legs jerking himself off nearly sent you right then and there, the boy was so damn attractive.

      He leant in, grip on your hip hard enough to leave bruises (a passing thought told you that maybe that was in fact his intention), and his soft tongue poked out between his lips.

      It prodded against your clit a few times before it got to work, lapping quickly at the sensitive bud, the sensation hitting you almost immediately with an unbearable wave of pleasure. The relentless pounding from Katsuki and Shoto's tongue flicking against your clit was overwhelming, your body trembled in anticipation of your release, voice raising higher and higher as you cried out.

     "Come on, Princess, I know you wanna cum all over my cock." Katsuki growled into your ear, nipping at it a little harder than necessary – not that you really minded in that moment. "Scream my name when you cum- Scream for me and show that Icyhot bastard who fucks you the best."

      Shoto didn't rise to answer Katsuki, instead doubling his efforts against your clit, sucking down on the bundle of nerves, tongue working against it viciously until it threw you over the edge and you came with a near-scream, back arching away from Katsuki's chest, legs trembling violently, hips squirming desperately as the pleasure consumed you.

      Shoto and Katsuki observed you closely as your high hit, the two boys cumming almost simultaneously, mere moments after your high hit. Katsuki with a deep guttural growl, shooting ropes of cum inside of you (Praise be to whoever invented birth control pills), and Shoto with a soft, relieved sigh as his hand coated in the white liquid, finally leaning back from your over-stimulated clit.

    "Fuck..." You finally breathed out softly, chest heaving in an attempt to catch your breath again, Katsuki slipping himself out of you. He couldn't help but peer down over your shoulder and groan as he watched his cum lowly leaking out your hole, clenching and unclenching around emptiness in your post-orgasm haze.

     "You know..." Katsuki panted out, still holding you up by the backs of your knees. His cock hadn't softened, it was obvious something naughty was still playing on your mind, and Shoto raised to his feet once again. He had softened, but glancing between the cum leaking out of you and the expression on Katsuki's face, some mysterious thought had Shoto rock hard again in mere moments. "That didn't really prove anything."

     "That's what I was thinking." Shoto nodded, glancing between his sticky fingers and your heat. A moment later, he had a healthy amount of his cum coated on his fingers, before sliding them inside your already soaked heat, pressing his own release inside of your core, and you groaned, the pleasurable throbbing of your core returning once more.

      "I say we keep going until she screams for one of us." You could practically hear the grin in Katsuki's voice as his breath tickled against the shell of your ear. "That way we can work out who's really the best. What do you say, IcyHot?"

      Shoto glanced into your eyes, and his expression seemed to soften, but meeting with Katsuki's sneering expression peering at him over your shoulder, his gaze became intense. His fingers trailed down, lightly brushing over your sensitive heat, admiring the way your body jerked under his feather-light touch.

      "I say game on."

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