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Megatron had seen more than his share of reality defying phenomenon over the millennia, so when a glowing tear in the fabric of space spat out a seeker with the face of his Second in Command and a claim that he was from another universe, he decided to roll with it.
Starscream was more sceptical.
"He looks nothing like me." He spat, leaning close to Megatron as he eyed the seeker up and down. "I'm not that short. And those optics? I would never."
Megatron wasn’t seeing quite so many differences. They were precisely the same height, and glancing between the pair, one frowning with wary concern, the other sneering with disgusted distrust, he thought them equally handsome.
“We should kill him.” Starscream announced, lifting an arm cannon.
The Other Starscream shifted, poised to take evasive manoeuvres, but Megatron patiently pushed Starscream’s weapon back down. “Let’s not be so hasty, Starscream.”
"There’s no need for violence," the Other Starscream agreed then, confident but pleading. "It wasn’t my intention to come here. I am needed in my own universe, urgently. The Autobots are about to launch an attack on a vulnerable system. Megatron -my Megatron- is relying on me to defend the civilians. If I'm trapped here much longer-"
"Defend?" Starscream squawked, his vocaliser a great deal more shrill than his counterpart’s. "Civilians?! You fool. I wouldn’t be caught dead defending civilians. See, Megatron! I told you he was an imposter!"
He wasn't.
Megatron knew Starscream ...intimately. And this seeker, though he bore strange optics, and unfamiliar colours, and held a disturbing compassion for lesser lifeforms, he stood the same, he spoke the same, his lips pursed and his nose wrinkled and his wing twitched all the same as the Starscream’s next to him did. Killing him would serve no purpose. Megatron couldn’t see any harm in letting him flutter back off to wherever to be belonged.
But that was a matter beyond their control. The portal through which the Other Starscream travelled to their universe had closed up shortly after throwing him out, and neither he nor Megatron had the ability to open it back up. He was stuck in his strange new universe, and though he seemed wary of Megatron, he was clearly clever enough to realise he needed an ally whilst he worked on a way to send himself home.
Megatron, generous and benevolent and charmed by this new Starscream, was more than happy to open up his ship to him.
"You're going to try and frag him." Starscream accused that very same night, riding Megatron's spike sinuously and scowling down at him like he hated him. "Aren't you?"
"I have you for that." Megatron reminded him, reclined and watching lazily. Starscream's wings swayed as he bounced in his lap. The silicone of his valve was stretched tight around the base of Megatron’s spike, his node visible among the mesh, pink and glowing.
"You think he is me." Starscream snarled.
Megatron had nothing to say to that. He was too busy looking at Starscream’s valve, and wondering how similar the Other Starscream’s might be to it. If it would look the same. Feel the same.
Needless to say, the situation did not put the Starscream of this universe in a good mood. He was so reluctant to house the near-identical and considerably more likeable version of himself, he saw no other option but to do everything in his power to get rid of him as fast as possible. And since he wasn’t allowed to kill him, he instead lent his expertise to the situation.
Given that their scientific knowledge appeared to be as identical as their smirks, his help didn't get them any further. A furious Starscream later told Megatron that they simply had to wait for the portal to open back up on its own.
"When will that be?"
"Weeks." Starscream hissed. "And that's being generous."
"We shall do him the courtesy of making his stay here more comfortable then." Megatron decided. "A week recharging on the floor of your lab is long enough. Arrange quarters for him.”
Starscream huffed, "He’ll have to share. There's no where else."
"He can stay with you." Megatron suggested, knowing exactly how Starscream would react.
"The Pit he can! I'm not sharing my berth!"
"A shame." Megatron sighed. "Then he shall have to share mine."
Starscream stiffened. His face turned an interesting shade of purple. "There is no way in the Pit-!"
"You'll take him after all?" Megatron guessed.
Starscream stomped a pede like a child and stormed from the room without another word. But later that evening when Megatron passed his quarters he could distinctly hear the pair of them arguing over who was recharging on which side of the berth.
It was a appealing image, the thought of them squashed together on Starscream's standard issue berth, curled around each other, limbs intertwined, shiny glass cockpits bumping together. Megatron wondered how they arranged their wings. Wondered if they recharged face-to-face and woke up nuzzling one another’s necks, like often Starscream did to him.
Did they fight over the covers? Bully each other to the berth edge? Grapple over the limited space, shoving and pulling on wings, rolling back and forth across the berth?
Megatron's spike throbbed at the thought of where that could lead.
Starscream was enough of a raging narcissist that the fantasy wasn't too great a stretch from reality. He was always preening and fussing in front of mirrors, liked to look at himself in the reflection of Megatron's viewport while he was being fragged, and spent an inordinate amount of time fondling himself during foreplay and forgetting that Megatron even existed. Starscream thought himself a work of art (rightly so), so it stood to reason he found his counterpart equally as attractive.
"Have you fragged him yet?" Megatron asked, driven to such distraction by the idea that he could no longer keep it to himself.
Starscream, who had arrived in the mess that morning alongside his counterpart with a suspicious spring in his step, played nonchalant. "Who?"
Desire pooled between Megatron's hips. "Your identical friend there."
He nodded towards the Other Starscream getting his own cube from the dispenser, who noticed them looking. Megatron watched their optics lock, and something unreadable passed across their expressions. The Other Starscream looked away quickly. His pale cheeks were glowing.
Megatron’s panel felt tight.
Starscream's smirk was even wider than before. "That's my business-"
"And mine." Megatron reminded him sternly. "You belong to me."
"What's that got to so with anything?" Starscream shrugged, "it's no different from self servicing."
It was worlds away from masturbating but that was not the argument Megatron was here to have. "If you're going to perform such perversions aboard my ship, I should at least be present to supervise."
Starscream barked a laugh, "Supervise? I know what I'm doing with him. More than you do."
Megatron didn't doubt that because who would know better how to frag Starscream than Starscream himself. He merely wanted to bear witness to it. As was his right, surely.
"He won't want to do it in front of you anyway." Starscream dismissed. "He's got all these hangups about you. His you." He clarified at Megatron's surprised look. "They're not fragging but they're in love or some nonsense. Won’t shut up about him.”
Megatron grimaced. What a strange reality that must be. Starscream was attractive, and a fantastic frag, but he wasn't something to 'love'.
"Bring him to my quarters tonight." He demanded, uncaring of these ridiculous 'hang ups'. "If you fail to satisfy him, I'll finish the job."
Starscream shot him a withering look over his cube. “You’ll sit in the corner and keep your mouth shut or I won’t be bringing him anywhere.”
Megatron glared. Starscream drank his cube.
“…Fine.” Megatron grunted.
Starscream smiled beautifully, “Then we’ll see you tonight.”
Megatron looked over at the Other Starscream, who was watching them from the dispenser with clear apprehension. He smoothed his expression into some stoic and professional, in hopes of hiding the fact that his spike was now rock hard behind its panel and threatening to burst free.
And he was still hard later, when, true to his word, Starscream did come to his quarters, dragging his counterpart along by the wrist.
“-Because his berth is larger, that’s why.” He was mid conversation, striding in through the door without knocking as the Other Starscream skidded and stumbled in behind him, trying to dig his heels in to slow their pace.
“But I still don’t-“ his bright blue optics found Megatron, and brightened in surprise. “He’s… Megatron? You’re-?” He turned to Starscream. “He’s not going to watch is he?”
Megatron didn’t see what the fuss was about. It wouldn’t be anything he hadn’t seen before, but as Starscream had forbidden him from ‘ruining the mood’ and talking to either of them, he simply dragged a chair over from the desk to the berth, and sat it in. That was response enough. The Other Starscream went to pull away.
“Now, now,” Starscream stopped him, scrambling to keep him in his claws and stop him doing something drastic. Like leaving. “Don’t mind him. He’s just an old pervert.”
Other Starscream had the audacity to look scandalised. “My Megatron would never-“
Megatron laughed, despite the threats that he was to remain silent. If these Starscream’s were similar enough to decide it was a good idea to frag each other, Megatron doubted his own counterpart’s desires would be greatly dissimilar to his own. His amusement was short lived though. Starscream shot him a fierce look.
“Ignore him.” He reiterated, stroking a servo up and down his counterpart’s thigh. “We said we were going to have fun, didn’t we? We can’t let him ruin it-“
“I really don’t think-“
“You like being watched.” Starscream pushed, steering around and backing him towards the berth. The Other Starscream kept looking over his wing, eyeing Megatron suspiciously. “Because I like being watched. Let the old fool ogle us a while and you might learn a little something about your own Megatron. Maybe it’ll come in handy? I can teach you what he likes. How to be good for him. Or naughty. Very naughty-“
“You’re under appreciating how different we are.” Other Starscream glared, face bright pink and wings trembling, perching himself on the edge of the berth anyway. Starscream crawled over him, laid him back, settled between his thighs, and pressed fluttering little kisses to his jaw.
The Other Starscream angled his helm all the way back to glare at Megatron, upside-down. “I don’t even have a relationship with Megatron-“
“Something you’ll rectify upon your return, I’m sure.” Starscream purred, rocking against him, then leaning in for a kiss.
They were both very pretty, and that there were two of them seemed to exaggerate things. Megatron’s chair scrapped as he dragged it closer, eager to watch them kiss and hear them groan.
They shifted together, polished servos dancing over armour and vents sighing softly. Starscream was being gentle with himself, more gentle than Megatron was with him. The Other Starscream angled a leg out then hitched it up over Starscream’s waist, pulling him closer. Starscream grabbed his counterpart’s turbines, one in each servo, using them as handholds as the wings on his back lifted and shuddered in the air. The Other Starscream reached up to catch them, and pulled downwards. Starscream pulled out of the kiss to arch his back with a groan, the hiss of releasing panels sounded as his hips moved with more vigour.
Megatron craned his neck but couldn’t see past their blasted cockpits. He got up and moved swiftly to the other side of the berth, moving his chair behind the seekers for a better view. Neither of them seemed to remember he was there.
Now facing their legs and afts, he could see their panels were open. On the bottom, his legs now wrapped around Starscream’s waist, the Other Starscream had his valve and aft port exposed, flushed vibrant pink with energon. On top of him, Megatron’s own Starscream was revealing the same eager equipment, as well as his spike, which he was slowly dragging back and forth over the wet slit of the Other Starscream’s valve.
Their valves were, Megatron was pleased to see, identical.
His spike sprang free of it’s panel and he wrapped his fist around it, squeezing to stem the urge to just stand and push it into his own Starscream’s conveniently exposed valve as it twitched and spasmed with every back and forth thrust.
Megatron stroked himself languidly, tilting his helm as he watched Starscream’s finely manicured servo take his spike in hand and guide it down, circling it over the Other Starscream’s entrance, then sliding it in with a soft slick noise.
The Other Starscream moaned, his pedes kicking at the berth. Megatron saw his aft port clench as Starscream inched back, then pushed in again, starting to thrust.
They were both panting, and Megatron couldn’t tell which moan or gasp belonged to who. Starscream settled his weight atop his counterpart and started to buck into him. Their lightweight armour tap, tap, tapping in rhythm with the slap of wet arrays.
Megatron leaned back in his seat and worked his spike, optics fixated on lubricant slick shaft of Starscream’s spike as it moved in and out, faster and faster, chasing overload. Starscream never lasted long when he was spiking, he was too selfish.
Unsurprisingly, Starscream stiffened atop his counterpart, shoulder’s hunched and wings shooting upright on his back. Buried deep inside the Other Starscream, he released a stifled moan and began to overload. Megatron watched his Starscream’s exposed valve clench in time with the pulses of his spike as he spilled into the Other Starscream. A trickle of lubricant oozed out between the folds of his unused valve and dripped down his inner thigh. Megatron made an aborted move to get up and lick it off him.
With an exhausted sigh, Starscream eased out of his counterpart. His spike slipped free and hung, dripping a mixture of lubricant and transfluid between his legs as he rose and shuffled away on his knees. The Other Starscream blearily lifted his head. His valve was open and wet and smeared with Starscream’s transfluid, but he clearly hadn’t overloaded.
“I’m not done.” He said impatiently, glaring at Starscream, who was wiping down his spike with Megatron’s berth sheet. Which Megatron might have noticed and reprimanded him for had he not been staring hungrily at the gaping folds of the Other Starscream’s valve.
“Finish yourself off then, I’m not your servant.” Starscream huffed, but shot Megatron a sneaky side eye. “Or find someone else to do it.”
The Other Starscream hesitated, flushed and panting, and now glancing at Megatron warily. Megatron, sat with his fist wrapped around his aching spike, began to clock on.
“What? You told me you loved him,” Starscream said flippantly, studying his digits. “Your him, anyway. He’s not going to want some prude. If you want to get in some practice, and believe me you need it… you can borrow mine.”
Megatron took back every bad thing he had ever thought about Starscream. He was a brilliant, clever, loyal seeker.
“You want me to interface with your lover?” The Other Starscream breathed in disbelief.
“It saves me from having to do it. Look at him.” Starscream gestured to Megatron, who was, admittedly, sat with his mouth open and hunched over his own weeping spike, unable to believe his own luck and now wondering if the excitement of the evening had caused him to overheat, die, and return to the All Spark.
“Do you want to frag him or not?” Starscream suddenly snapped, and Megatron didn’t know if Starscream was speaking to him or to his counterpart, but unwilling to risk losing his chance he stood so suddenly he knocked the chair over, his voice mingling with the Other Starscream’s as they both blurted out a hurried, ‘Yes!’
Starscream laid back with his arms behind his helm, his spent spike resting against his belly, watching as Megatron joined them on the berth and climbed over this new, shyer, somehow more respectful Starscream.
They smelled the same. The polish was different, but the musk of his armour, the oily scent of his lubricants was so uniquely Starscream.
And when he was inside, they felt the same.
And when he was done, he fell back across his berth and had one on either side, tucked against his chassis, identical helms resting on his shoulders, and almost identical optics fluttering shut in bliss.
Megatron rather hoped that strange dimensional portal opened up again. He wouldn’t mind it spitting out a few more Starscreams for him to play with.