1 - 20 of 1,040 Works in Spark Sexual Interfacing (Transformers)
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The Protocol of Us by zparkprime69
Fandoms: Transformers - All Media Types, Transformers (Bay Movies)
30 Nov 2025
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Summary
To save Earth, two mortal enemies must become one. The World-Killer demands a sacrifice only they can provide: a spark-deep interface between the last Autobot Prime and the Decepticon who was built to kill him. It was meant to be a transaction. It became an addiction. Now, hunted by everyone, their forbidden alliance is the only thing standing between the galaxy and annihilation.
- Language:
- English
- Words:
- 31,354
- Chapters:
- 21/21
- Hits:
- 3
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Project Repopulation by StarflakeBurning
Fandoms: Transformers Generation One, The Transformers (IDW Generation One), Transformers - All Media Types
28 Nov 2025
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On a post-war Cybertron following a peace agreement between the factions, Skyfire is using his scientific knowledge to help rebuild society. But when Starscream comes with an unusual proposal for solving the problem of seekers being unable to reproduce, Skyfire sees an opportunity to rebuild their friendship. He soon learns the extent of what he's volunteering to do.
Or
Getting that shuttle pregnant with test-tube babies.
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Is It Stupid To Say "I Love You"? by TheCosmicBean for CarnoBot
Fandoms: Transformers - All Media Types
27 Nov 2025
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Summary
He blushed when he remembered the time he truly smiled at him and laughed, Cirrus felt something for him since then, but he wasn’t sure what to make of it. He was always relaxed around him, more comfortable and his old personality slipped out from time to time, surprising everyone around him. But he didn’t mind, he didn’t mind at all when he was around the tall dark green and black hacker. His garnet optics hidden behind his red visor, his dark and seductive dark face mesh enhancing his plump and soft looking lips making him even more…attractive. And the way he smiled.
Oh, the way he smiles. It just makes Cirrus melt into a puddle of warmth and comfort, just like snow would melt after The Dark Cycle was over and the sun came and caressed all his worries away. He just couldn’t shake his laugh out of his cpu, it was too precious not to hold on to it.
Was it a feeling of trust? A feeling of friendship? Or a feeling…of love?
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Rendezvous by Anonymous
Fandoms: Transformers (Bay Movies), Transformers - All Media Types, Transformers (Prime), Transformers Animated (2007)
26 Nov 2025
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Maybe it's fate, two souls destined to find each other in every lifetime.
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The Decepticons won the war. In the name of peaceful integration, Autobots and Decepticons have been forced together in a "Buddy Program".
In Prowl's opinion that's a needlessly circumspect way of saying the Autobots are now property of the Decepticons, but he's too busy scheming to argue over semantics.
Series
- Part 2 of The Buddy Program
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Pragmatism by Asharion for SinSpark
Fandoms: Transformers - All Media Types, guys it's continuitity soup as usual, expect lore bingo like normal :'D
25 Nov 2025
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You're not expecting anything good to come of being called into the office by your boss's boss; y'know, the cold and aloof Cybertronian who runs your entire department? The one people whisper would rather step on you than have to talk to you, he's that cold and disinterested in anything socially fun or even neccessary?
Yeah. That guy.
Contrary to expectations, however, the meeting with Prowl leaves you feeling a lot more optimistic for the future. Sure, he might have the tact of a sledge hammer to glass, but none of that matters overmuch when he's actually being really helpful. Probably the best boss you've ever had, really, when you get right down to it.Pushing you to excel, demanding nothing more than what you can give and expecting no shortage tendered.
...
Now, if only you didn't have to go and fall in love with the bastard, maybe your simple office life could have kept on being simple. Unfortunately for your poor little squishy heart, Prowl doesn't just want you to stay in his department as a productive employee.
He wants you, specifically *you,* to be in charge of ever climbing responsibilities.
Because he thinks you can handle it.
The question is.... Can you? -
Handled by a Professional by WellButterMyBiscut
Fandoms: Transformers - All Media Types, Transformers: Prime
22 Nov 2025
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Summary
Happens during S03 Ep08: Thirst
Starscream wants to know why Knockout feels such a high thoughts about him, this results in his own self discovery. They indulge into there sudden desires.Or in other words...
This duo finally admits they enjoy each other company and they fuck since that's a much more appealing option then facing the energon sucking zombies beyond the door.
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Bittersweet Savior by FellowRobophilia
Fandoms: Transformers: Prime, Transformers - All Media Types
16 Nov 2025
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"Unicron has been defeated and Optimus Prime has made his inevitable recovery. Things are going back to the status quo… until now.
Megatron's frame is changing. Something minuscule creeps through his coding yet his firewalls find nothing wrong.
Unicron may have left behind more than it seems, forcing Megatron to reevaluate the war, perhaps even end it... in a rather unorthodox way"
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"One moment they were leaning across the desk at each other, seconds away from the screaming match of the century, and then Prowl’s optics had flicked down to Jazz’s lips, Jazz had tilted his helm, and suddenly he was tasting his energon from where he’d cut his tongue on Jazz’s fangs. The desk had suddenly been cleared of its contents, datapads and styluses scattered to the floor, and Jazz’s knees were by his helm as Prowl marvelled at how flexible he truly was."
Prowl thinks Jazz is an inconsiderate arse, Jazz thinks Prowl is a complete stick in the mud - but it's hard to be too mad at someone who's going to be in between your legs later.
The next job; don't get in too deep! -
Shattered Minds by Midnightraider
Fandoms: Transformers - All Media Types, Transformers One (2024), Transformers: Shattered Glass
14 Nov 2025
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When Wheeljack’s experimental teleportation portal hurls Optimus and his team through a fractured dimension, they pop out of the other side changed… and not for the better. Now, they must confront the darkest parts of their desires and overcome what they’ve become before it’s too late.
“…Megatron?” He whispered, reaching up to brush his fingers across the elegant white plating framing the other’s face. For a sparkbeat, everything felt still, almost peaceful. But then Megatron’s mouth moved, and reality glitched. Those red optics back in place of blue.
“What the frag are you doing?!” Megatron snarled, gripping Optimus’ wrists tightly in his hands. Droplets of energon dripped down his fingers, matching perfectly with the deep gashes torn into Megatron’s neck.
“I…” Optimus faltered, optics wide with horror. He didn’t remember attacking him—didn’t remember anything after the flash of white plating and those tender touches.
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Skyfire, the beautiful mech, was practically spread eagle on his berth with his digits knuckle deep into his valve. His optics were offlined in pleasure but soon onlined when he noticed something was amiss. You managed to see his face contort in horror before you immediately shut the door. Manually.
You stand there, staring at the ground, trying to not let your fans kick on and trying to process what exactly you just saw before the door opens once more.
OR
You find Skyfire in heat.
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This is an entirely self indulgent skyfire x reader fic. I am warning you -
Shadows Across Our Sparks by kokodio
Fandoms: Transformers - All Media Types, Transformers: Prime, Transformers: Beast Wars (Cartoon)
11 Nov 2025
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War will weight one down, like you are carrying the world on your shoulders. To Ultra Magnus, he is. Rebuilding Cybertron is no easy feat, especially not when there's so many variables, and more just keep arising. It only grows more difficult when he realizes befriending enemies is harder than he thought. He knows Predaking has his sights set on him. Whether it is in hatred, or otherwise, is well unknown. Ultra Magnus extends an olive branch regardless, but will the King accept such a gesture Or will he be the beast Magnus accuses him to be?
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Perceptor, Drift, and Brainstorm spark merge with each other for the first time. That’s the fic
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First Aid, who has been Vortex’s on-again off-again fling for the past millennia, hasn’t been answering his comms for weeks now after suddenly going off the radar, and Vortex is starting to get a little worried. Despite the pushback from his team, he decides to investigate, undergoing a dangerous search that utilizes his desperate need for answers and a painful lack of situational awareness.
First Aid is out there, and Vortex knows it. He’s out there, somewhere, and Vortex intends on finding him. It’s what he’s does best after all. Besides, what’s the worst that could happen?
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Synchronicity by PaP
Fandoms: Transformers - All Media Types, Transformers: Cyberverse, Transformers (IDW 2019), Transformers (Unicron Trilogy), Transformers Animated (2007), Transformers: Prime, Transformers: Robots in Disguise (2015), The Transformers (IDW Generation One), Transformers: Beast Wars: Uprising (Fun Publications Comics), Transformers Generation One, Transformers One (2024), Transformers: Earthspark (Cartoon)
09 Nov 2025
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Summary
Embittered and defiant, Megatron’s campaign to crush the corrupt Senate isolates him from his friends and his morals, his noble Ascenticon uprising descending into Decepticon violence, control wrested under the erratic leadership of his lover and second-in-command Starscream, apparently insane with grief and endlessly ambitious. The Functionists propose an even greater threat, condemning their ally Sentinel whose elevated social status hangs in the balance with those he loves impeding his success, yet he must succeed, he cannot afford failure, for he would lose everything he has worked for. Inexperienced Autobots unite under the shy and gentle Orion Pax, expecting to be heroes, yet their intervention prolongs the conflict and costs lives, ruining others. After millions of years of war, Megatron’s insane plot is discovered and drives a reconfigured Optimus Prime in a desperate bid to save his people, yet the Thirteenth Prime reincarnate condemns Cybertron to a slow demise. Politics and faith are put to the test as soldiers and civilians love and lose and loathe each other, all-knowing old mechs in positions of power deciding the war-torn future of their surviving heirs in prophecy, the Prime a mere puppet of fate.
Series
- Part 1 of Chronicles of Synchronicity
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To Know a Human by OpalUnicorn
Fandoms: Transformers - All Media Types, Transformers: Earthspark (Cartoon)
09 Nov 2025
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Summary
In an instance, a single human snapped Megatron out of thousands of seemingly endless bloodlust.
Because of her, he defected from his own faction, the one he himself had created and led, in order to work with his formers enemies.
It would have been impossible for him to be uninterested in her.
When she volunteers to keep an eye on him, what might that interest lead to?Pre-canon to the Earthspark series! This fic follows Megatron through the first period of his defection and focuses on his relationship with Dorothy.
Written for the 2025 Transformers Big Bang and featuring art by karinadele!
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Summary
Jazz is chosen as Prime after Optimus dies, leaving him saddled with the Matrix, navigating this new peace-treaty between three factions, and mourning the loss of his conjunx. The only benefit he has is unlocking the real secret of the Matrix: the inner realm where the sparks of all former Primes remain, including Optimus.
Dealing with gossipy, opinionated dead Primes with their own agendas is worth it to see Optimus again, but discovering Optimus (and the Matrix) left him a little Surprise changes everything. He can’t accept this future, a peaceful, blossoming society, without Optimus there with him, and he is going to get him back, even if he has to break the Matrix to do it.
He’s not raising his sparkling alone.
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Ameliorations by boltshok
Fandoms: Transformers - All Media Types, The Transformers (IDW Generation One)
08 Nov 2025
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Rung is yet unmarried. How much longer will he need to wait, to want, before a suitor notices him?
Skyfire is so shy; will he ever notice Starscream's advances? Or perhaps there is a reason why he is withholding his affections...
And Rodimus--the bully--has some growing to do before he is ready to enter into a relationship with anyone. Can he find the inner strength to grow?
Written for the Transformers Big Bang 2025
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Forge Vibrations of Pleasure by Shapeshifting_Seductive_Thighs
Fandoms: Transformers - All Media Types, The Transformers (IDW Generation One)
08 Nov 2025
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Summary
Solus treats Arcee and Chromia to days of writhing, bound, orgasmic pleasure of her design. They talk about it over comms while the two moan and climax and when Arcee needs the gag off to kiss. It's all very sweet.
Series
- Part 1 of Dominatrix Solus's Kink Sessions
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We Keep Living Anyway by butIamhavingthisone
Fandoms: Transformers - All Media Types, Transformers: Earthspark (Cartoon)
08 Nov 2025
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Months after being betrayed by GHOST, the Cybertronians on Earth are enjoying the first true peace since the beginning of their civil war. Hope for the future of their race exists in the form of the Terrans, who have befriended Autobots and Decepticons alike. However, Megatron quickly realizes that peace is harder to navigate than conflict, and that it may not be possible to repent for his actions during the war. The Terrans look up to him, especially Twitch. But how is he supposed to guide the new generation when he doesn't even understand where he, himself, went so wrong all those years ago?
Or: Guilt is a very powerful thing. Megatron has a near-endless supply, and no-one else seems to think this is a problem.