DAY 5 - Threesome | Brainstorm & Perceptor

★ DAY 5 - threesome | brainstorm & perceptor

kinktober 2023 - masterlist.

warnings: top/dom reader + sub/bottom brainstorm + sub/top perceptor + double penetration + overstimulation + dumbification + brainstorms tits are featured + slight humiliation + brainstorm is a kinky shit(perceptor is a secret kinkster) + brainstorm gets wrecked (*REAL NOT FAKE*)

a/n: is it just me or is stormy with his mask off literally gorgeous?? he was cute before but without his mask he's definitely top 10 prettiest transformers

You loved your two conjunxes oh so dearly. You loved it when they got engrossed in their nerdy science stuff, loved it when they bickered over silly things, loved when the three of you took the time to just talk about the things you enjoy, with mostly you and Brainstorm(really just Brainstorm) talking while Perceptor nodded and smiled. But of course, you also loved the debauched things you and your partners got up to in berth.

"Mmhhmm...Percyyy," Brainstorm whimpered into the open-mouthed kiss he was sharing with his conjunx. "Hmmnn..." Percy moaned into the kiss as well, lightly fondling the jet's wings. You were behind Brainstorm, watching carefully as your lovers sloppily made out. It was so cute seeing the two of them all over each other like this. While Stormy was busy kissing Perceptor, he pushed back his leaking valve against your spike panel, wordlessly begging for you to fuck him.

Taking the hint, you released your spike. It was already pressurized-- how could it not be? You moved yourself so that your chest was flush against Stormy's wings and grabbed him by the hips. He shivered, knowing what you were planning to do and opened his legs wider so he could properly receive you. "N-nhhn, [n-name], pl-- MhhnN! Nghh..." Whatever Brainstorm was trying to tell you was cut off short when Percy grabbed his chin and pushed his glossa into his mouth to shut him up.

Brainstorm squirmed in Percy's hold; how long were you going to wait before spiking him? He wanted to whine in frustration but he knew that acting out would only cause him to have to wait even longer. Finally though, he could feel your thick spike against his valve entrance an he whimpered in anticipation. "Stormy, you mind opening up your chestplate for me? I think Percy wants to see your cute tits," you croon into the jet's audials. He immediately released his refineries from there confinements and was taken aback by how quick you were to take on into your servo.

"Your tits are so cute Stormy! Too bad they're so small though," you gave him a fake pout as you rolled his nozzle between your digits. He let out a small squeak from your touch and your words-- his tits weren't that small! Though clearly, you didn't care about what your conjunx thought. You were to busy groping him and getting him worked up . "Percyyy, don't you wanna feel him up too?" you asked the sniper in an overly innocent tone. Having recently just been a viewer, he almost seemed surprised that you acknowledged him again, too busy admiring the two of you. Despite his slight surprise, he took Stormy's other breast and fitted his mouth over the nozzle.

"HnngGH! P-Percy, I-- Ah! Ahnn...n-no..." Brainstorm weakly protested against the constant stimulation of his tits. It was too much! Perceptor was suckling on his nozzle like his life depended on it and you were behind him cruelly pinching his nozzle while you nipped his wings. Worst of all, he could feel your still-pressurized spike rubbing against his valve, a constant reminder of how empty he felt. It was no surprise that Brainstorm overloaded so quick, letting an overstimulated mewl as his golden optics screwed shut. Even through his overload the two of you still didn't let up on. He kept futilely squirming in yours and Percy's grip, letting out more cute whimpers as he silently begs for you to finally fuck him.

Despite how badly he wanted you to spike him, he never actually expected you to shove your spike into him with no warning. "Guh---*Kzzh*--" Stormy's optics widened as he spat out static. He wasn't even close to being ready for your spike to impale him so quickly! His optics unfocused as he trembled through another overload just from you putting your spike into him. In front of him, Percy whined, not sure if he wanted to be the one spiking Brainstorm or to be the one you were fucking. "Don't worry sweetspark," you cooed to Percy, reaching past Brainstorm's frame and cupping his face into your free servo. "I'll give you what you want soon." And with that, you gripped Brainstorm's hips and started to harshly fuck into him.

"HaAHH! Unghh! [N-Name]! Pl-- Oh! Oohhh!" Stormy's spinal strut arched into you as you fucked his valve with a punishing pace. He could feel every bump and ridge on your spike dragging on all his sensitive node clusters and it was driving him mad, despite you barely starting what you had planned for him. Even while you were fucking Stormy's valve, you still had one servo on his breast, relentlessly feeling up the soft protometal and Percy had not yet let up on suckling Stormy's nozzle, as if he was desperate for energon to come out. Perceptor's panels were even released, his spike rutting on Brainstorm's midsection as his valve hidden from your view leaked lubricants.

Stormy overloaded a second time, even harder than the last as his vocalizer let out a loud squeal; barley anytime had passed since you shoved your spike into him yet he was cumming again, his pussy squirting all over your spike making it easier to make your spike kiss his ceiling node. "Ungh, hahhnn! Mnghh-- t-too mu-ugh, o-ohh!" Stormy could barely even form words from the brutal pounding he was receiving, the words dying on his glossa as he was jostled from each of your punishing thrusts. He thought that he might have even overloaded for a third time but it was so hard to think clearly through the pleasure washing over him. "Hey Percy, I think Stormy's wet enough to fit the both of us." Your words brought Brainstorm a bit out of his pleasured daze. The both of you were going to be inside of him? Perceptor's eyes widened before he positioned his spike against the jet's wet heat.

Yes, yes, yes, yes, ye-- A smile formed on Brainstorm's faceplate as he felt Percy's spike touch the entrance of his valve. He had hoping that this would happen since the three of you entered the berth and now he was finally getting his wish: he wanted to be split open on the two of yours' spikes and fucked 'till his circuits fried. Perceptor groaned as he pushed himself into Brainstorm's valve-- it was so tight! Even with all the extra lubricant the two of you had created it was still a tight fit for Percy, making the mech have to put more force into his thrusts, which only made Stormy wail louder.

At last, the two of you were snugly fit into your conjunx's valve. Stormy had a faraway look in his optics, like he was barely hanging on. His wings were trembling...matter of fact. his whole frame was trembling. His mouth was stretched open into a small "o", oral fluids seeping through his cheek cabling. He looked like a lewd mess and the two of you hadn't even started fucking him yet. Without any warning, you began to thrust into the plush valve enveloping your spike and Perceptor took it as an invitation to start moving as well.

"Guh--UNGHH---*Kzzhh*---AHH! *Ghzzk*--" Brainstorm's cries were so loud now that they were mostly being taken up by static. You were so glad that you soundproofed your habsuite so long ago. It wasn't easy for the both of you to efficiently fuck Stormy's valve with the way that his callipers kept cycling down on both the spikes stuffing him absolutely full. Stormy's optics began to roll into the back of his helm as his frame was rocked alongside the powerful thrusts of both you and Perceptor. While he let out overstimulated wails from the spikes dragging over his nodes and striking his ceiling node, he could feel his processor power slipping aways from him; it was so hard to think while the two of you were fucking his leg struts numb! Processor fried from spike, he felt his gestation chamber open up, allowing the spikes inside of him access to his forge.

Percy was the first to overload, letting out a loud cry as he spilled into Brainstorm's awaiting chamber. His overload caused Brainstorm to trip into his...fourth? Fifth overload? He wasn't even sure anymore, all he knew was that he might not ever stop overloading again. That was a thought that made him giggle a bit through his staticky mewls. It was those fucked silly giggles that made you overload last and spill into Stormy's gestation chamber. Stormy spit out static as he felt the rush of your combined transfluid fill up his valve and even escape a bit. He felt so...full. It was the thought of the transfluid still filling up his pussy that made him let out a few fucked silly giggles, twitching from the aftershocks of his intense overloads. Not a single thought was occupying his processor besides the spikes filling him up and making him all warm inside. Even though you had slightly depressurized and you were sure Percy had too, you still wanted to savour the tightness of your conjunx's valve. Just like that, the three of you laid in one berth, cuddling each other as you came down from your highs. You wouldn't be able to stay like that forever though, but it was nice to feel each other's warmth as you rested together.

Okay guys, I know it's been a while. I promise I'm not leaving but schools been kicking me in the ass repeatedly and then dragging me through the mud. But I wanted to announce that I will be doing kinktober!!

I'm not sure which prompts I'll do but it'll include RE characters, transformers characters, genshin characters, and Obey Me! characters

Just so you guys know, I haven't disappeared again but I'm deciding to do double updates for my late kinktober.

Anyway, would any of my tf fans that follow me be fine if I wrote about robot boobs because I have gone down a rabbit hole this past month and I am NOT getting out😭

(I thought I already posted this but I clicked save as draft not post😭)

I love my pink theme but sometimes I wonder if it makes people shy away from my works😓 I just wanted to hear the opinions other people

I'd like to write a third part to my TF nsfw headcanons series, but I'm so conflicted on who to write for next</3

★ DAY 4 - breeding | grimlock

kinktober 2023 - masterlist.

warnings: top/dom reader + sub/bottom grimlock + cybertronian reader + heat cycles + breeding + robo tits + feral behavior + kind of dub-con since grimmy is in heat + public sex + you guys literally frag in the hallways of the ark + grimlock needs to get dicked down NOW + yes i do enjoy mechpreg sue me

a/n: Idk why but grimlock just awakens something in me; also this would most likely take place in the g1 show but i love using idw grimlock's design and character

Another day that Grimlock was stuck on this stupid planet with it's stupid rocks, and it's stupid fleshlings, and of course, stupid Decepticons. And least, but definitely not last, this cursed heat-cycle from the Slagmaker himself.

Heat-cycles weren't typically too big of a problem for most Cybertronians. They were short periods of time where mechs charge soar to unbelievable heights once every few years, usually satiable by heat-repressants or a good session of marathon sex. Usually the first option was chosen, the second method being better suited for two or more mechs in heat that are able to keep up with each other. Even when none of those options were available, it's only the first day or two that are the worst, the heat enough to make a mech pounce on someone. Still, locking yourself in a habsuite with enough energon is an easy fix. But despite how relatively easy it is to deal with a heat-cycle, Grimlock just couldn't shake his off.

Grimlock first realized his heat was was approaching when he was "sparring" with another mech. In actuality, he was just working off some steam and chose the closest poor shmuck to help him out. When he barreled into his opponent and knocked them flat onto the ground, instead of letting up, he stayed leaning into them, heavily panting as he suddenly felt dizzy and...hot. It was when Grimlock realized the he was panting and damn near about to rut against the mech he abruptly got up and excused himself. Of course, without actually saying excuse me of course.

Grimlock immediately made a beeline to the medbay. He usually enjoyed his heats when he had potential partners, but the desolate planet he was stuck just made him want to completely get rid of that extra charge. He downed all the heat suppressants that Ratchet gave him and went about his merry day before that same sensor-clogging hit him again. But he already took the suppressants! While it made no sense to him why his heat was still persisting despite the medicine was beyond him, but he was quickly beginning to forget about that train of thought when the fog started to cloud over his mind...fuck he was so horny.

Grimlock could feel his array heating up, his spike throbbing as it begged to be released from its confinements and his valve lips drooling, already puffy without even touching them. Maybe he could just release his panel really quick and just sneak a servo under his array and touch his needy valve. Just a little bit though! Just enough to get rid of this annoying charge and...

Before Grimlock even noticed it, he was fingering open his valve, forcing his blunt digits into the dripping wet heat between his thighs. "Mmhhhghh...hahhh..." Grimlock panted heavily, continuing to thrust into his valve, hitting whatever nodes he could find. He whined, thinking about how shameful it was for him to be fucking himself on his digits right in the hallway of the Ark but it was oh-so-hard for him to linger on that though because of the dizzying heat clouding his senses. The dinobot began to slide down the wall he was leaning on for support because of how weak his legs were, yet his servo never left his array.

"Haahh--Ahh! Ghh..." Grimlock's moans became more vocal as he began to reach his high. By now, Grimlock was face down, his aft in the air trembling while his digits continued to pump themselves in and out his sensitive valve. His frame was running so hot and his processor couldn't even begin to worry about how mortifying his predicament was--he just wanted someone to help him out dammit!

✦ ✦✦✦✦✦✦ ✦

You were walking down one of the many hallways in the ark after coming back from a sparring session with another bot. Your frame was aching from the bruises you got but it was a pretty decent excursion. As you were making your way to your habsuite, you caught a whiff of a sweet, tantalizing smell. Instead of making your mouth water, it made your array feel tight. For some odd, unknown reason, you decided to follow the smell, heavy pedes picking up with speed as you went.

Before you could see what was happening, you could hear the sound of rasping moans and slight squelching sounds. Who in their right mind would be self servicing out in the open like that? Despite the question filling your mind, you turned the corner and were met with one of the most beautiful images your optics had ever laid eyes on.

There was Grimlock, powerful and fearless leader of the dinobots, writhing on the floor as he shoved four of his digits into his sopping valve, aft swaying as he let out pathetic mewls and low growls. Suddenly, his EM field enveloped you, pulsing messages of want/need/please/pleasepleaseplease-- The poor mech was a mess. The moment you saw him, you could feel your spike immediately pressurize with a thunk against your spike panel. You couldn't help it! What else were you supposed to do when one of the most attractive Cybertronians you had ever met was in heat, desperate for spike.

The moment Grimlock noticed your presence, he slowed down his digits pushing into his valve and spread his legs wider, a more inviting position. When he made a low whining sound and swayed his hips again, your patient broke and your spike released itself.

As soon as your spike pressurized, Grimlock took the opportunity to lift himself off the floor swiftly and tackle you to the ground so he was sitting on top of you. Now you were no small bot, you were nearly Grimlock's size but you were so caught up in admiring your superior's frame that he caught you off balance. In all honesty, even if you did know what he was going to do, you still would have let him. "Fffrag...frag me..." The arousal was practically dripping from the dinobot's words. He rolled his hips into you, rubbing his bare valve on the underside of your spike, wordlessly begging you to fuck him and a sad attempt to stop himself from just dropping down onto your length.

You groaned as the nodes on your spike brushed against Grimlock's plush, wet valve. You still couldn't fully believe the sight before your optics. Maybe that was the reason why you felt frozen in place while the dinobot helplessly rubbed his valve raw on your spike. Surprisingly, even in his heat-addled mind, Grimlock still wanted his partner to be okay with his advances. Finally though, you lifted him up with your servos on his waist, positioning him right above your spike.

It all went too quick when Grimlock lifted up his huge, crimson thighs and lowered himself onto your thick spike. "Graahh-- HaaAH! Ah! Mnghhh!" Grimlock threw his head back and immediately began bouncing on your spike. His greedy valve clung to your spike with every miniscule movement, as if it didn't want your length to exit his valve for a moment. "Hahh, Grimlock! Fuck..." You gripped his hips even tighter and took control, thrusting into the mech's warm valve, releasing howls of pleasure from said mech. He didn't even realize it, but by now, Grimlock's chestplates parted, revealing the soft protometal hidden within. His tits were large and heavy, a beautiful matte black color to them. He wasn't producing any energon, but it's not like that was going to stop you.

You immediately latched onto one of Grimlock's nozzles with your mouth, nipping it softly. The moment you did that, Grimlock fucking whimpered, holding onto your helm and pushing his refineries into your face. As you suckled on his tit, you could finally feel his heat affecting your own thoughts. All you could think about at that moment was fucking him hard and filling him up with your transfluid, sparking him up and repeating the process all over again. You let out a small growl at the thought of breeding the mech and bit down on his nozzle hard, causing the poor mech to spit out staticky moans. "I'm gonna fill you up... fill you with-- ah!-- m-my sparklings... make sure you know they're mine." You didn't even realize hat you were speaking but Grimlock clearly did, since he reacted to your possessive words with a loud keen.

The moment you finally his his ceiling node, he keened, practically hugging your helm as he overloaded hard. You weren't done with him though. You pushed him to the ground and flipped him over onto his stomach and lifted his aft up. It wasn't easy to manhandle such a big mech, but his dizzied state from his heat made it easier. When it finally hit Grimlock that he was empty, he whined and wiggled his hips a bit but you held him in place and pushed into him once more.

"Guuhh, uuhnGGH! F-fragg, HaAHH!" Grimlock let out sinful groans as your spike kept filling him up. You really were he perfect mech for him. With every thrust, you spike rammed into his ceiling node, threatening to force open his gestation seal and fucking a sparkling into him. And he would love every fucking moment of it. With every drag of your spike against his walls, he let out howls of pleasure that you were sure everyone in the Ark could hear. But by this point, you couldn't care less; you were too busy fucking the mech under you to have any shame at the moment. All you knew was that something inside of you was screaming at you to fill the dinobot up with your spike and transfluid and make sure it stayed in there. By now, Grimlock had overloaded twice, his hazy mind unsure of exactly when his second overload had hit him, yet his charge never left his frame. Still, all he wanted was for you to already overload in him, spill your transfluid into his needy hole and make him beg for even more.

When you finally overloaded into Grimlock's hungry valve, you barely even registered it, not slowing down a beat as your transfluid flooded the mech's valve. He immediately felt your transfluid hit the edges of his tank as you filled him up over and over again. When did he even open his gestation seal again? Not like i mattered anyway, because you were still pounding his valve like your life depended on it. A distant part of his mind wished that you had a knot, mod or natural. Oh how he wished you had a fat knot to shove into his tight hole and keep you inside of him so none of your transfluid would spill...

At last, you finally slowed down a bit, pushing your spike in and out of Grimlock's valve at a much steadier pace. You could feel your transfluid and his lubricants flowing past his puffy valve lips and you truly believed that Grimlock was satisfied. He had been railed so hard he nearly saw Primus himself and was absolutely stuffed full with all your transfluid. As you eventually came to a stop and began, reluctantly, withdrawing your spike from his wet heat, Grimlock let out a low whine. "N-no...don't pull out...I want more. Please." He sounded so needy and pathetic and with the way that he kept rubbing his aft back on your crotch made you unable to reject him. If Grimlock was fully aware of his pitiful behavior, he would have wanted to snuff out your spark and anyone else who could have heard the two of you. But for now, all he he knew was that you began to push your spike into him once more and he was going to be fucked full again. Probably not for the last time.