Ferrus Manus (with a tongue piercing) x gn reader
You are an auxiliary who fought to the last. Just a few days later you're being called to the Xth Primarch's personal workshops. He would make an... interesting offer.
Contents: size difference, power imbalance (he does sort of look after reader though), kissing, tongue play (with piercing), internal reverence about Ferrus Manus being the apex of masculinity, some sexual shame
[Here's to my other fics on Tumblr :D]
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The metallic scent of the previously abrasive stream of water filled the air, somewhere else, the clang of hammers upon anvils and the cutting and filing of old weapons could be heard. Here though, the Primarch of the Xth just has concluded his work - a combination of chainswords and power claw. This would surely be sufficient for the Wolf King, should targets appear in such a rapid amount and speed that even Mjollnir was too inefficient to cleave through them.
You eyed the result of thousands of considerations regarding weight, saw teeth durability, abrasive shed and flexibility with great awe, feeling almost unworthy to look upon such a magnificent work. How it's creator developed an interest in you of all people was beyond you. You barely knew about engineering beyond your very own las gun and bionic hand. All you had was the will somewhere inside of you to not die in the last mission, to not surrender even though your body screamed for the sweet release of death.
And here you were, patched up, on the road to recovery, with the Primarch of the Xth eyeing you as if you were a new project you couldn't fathom. For some reason, his truly gigantic frame put you quite at ease, although you didn't know whether it was because you felt safe to live in his large shadow or safe to die there. There was finality within every movement he made, his stone cold face only accentuating the outstanding weirdness of demanding you to his workshop.
You dearly wished to hug something right in this moment as Ferrus Manus approached your space, holding you up. You barely could wonder why as your body simply started to relax around his icy metallic forearms and warm massive chest and biceps.
"I commend your will to fight to the last, auxiliary." He stated, sitting you down on one of the previously cleaned benches, and his silver gaze was no longer a view from far below, but almost at eye level. The Lord of the Xth has you sit at eye level with him! What an honor to recieve!
You tried to answer, but Ferrus Manus cut you off. "I will tend to your hand this one time if..." He huffed, almost looking unsure as one cold hand gently grabbed one of your thighs, the other slightly tracing the neck portion of your spine.
"... if you will let me kiss you. And you will review how it felt afterwards."
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You could not believe that this wasn't some sort of ruse, a test of Manus' to see whether you would stoop so low and start selling yourself for this stupid augment to get repaired by whom believers of a faith would call a god of machines. Furthermore, you could not believe that you actually agreed to his offer.
"I'll start then." His gaze unflinching, zeroing in onto your tense look, he ran a now warmer metallic finger along your spine again. You could barely see more than his war-hardened face inching and tilting as his lids seemed to grow heavier, and then... his lips met yours. Proportionally, they were thin, but compared to your mortal frame, they were massive and wide. Neither of you would ever be able to feel each other's lips close around one another without strain, but you still tried to, taking in as much of his bottom lip as you could before releasing.
Perhaps you should also touch him. You definitely wanted to, now that his hands ran along your thigh and hip and your entire neck and back, growing warmer to a less chilling temperature by the second.
You could worry about why he's even doing all of this later when you pulled away from him, eyes half lidded to see whether Ferrus had changed his expression. He did not, but his hand on your thigh did not rest, while the other snaked it's fingers inside your hair.
"You don't need to do anything. I'll establish a rhythm." From this up close, you saw something metallic move in his mouth. Perhaps it was just your imagination, but the prospect of him having modified his tongue felt infinitely funny to you. His sons certainly were, and the prospect of being may be the first one to see some cybernetic enhancement did thrill you. Asking him wouldn't be disrespectful, now that he's about to use his tongue, would it?
"My apologies Lord Primarch, but did you... did you modify your tongue?"
He blinked more often than normal, but his infamous rage at a slight didn't come. Once more you thanked fate for not having sent you to the IVth. The condescension simply wasn't there lest someone gave them a good reason.
He didn't answer with his words, but instead swallowed before sticking his tongue out. It was long, massive and partly scarred on the sides. And there was a small piercing on it. A simple, needle head shaped thing with a small raindrop-shaped tail right behind it.
Ferrus Manus, Primarch of the famously utilitarian Iron Hands has a purely cosmetic augmentation near the fine tip of his tongue.
And it was beautiful.
"I'll begin now. I can't keep swallowing my spit just to show you." Before you could comment on his rather uninviting comment, he pulled you towards him with the ease of a mug, his eyes not flinching save for the occasional blink, him doing his best to not nip at your entire lower face. He repeated the motion you did before, except that he slightly sucked on your bottom lip, the piercing running over it as if to map you.
His kiss was certainly... less romantic than purely explorative, but the sheer fact that he chose you, a guard amongst hundreds of thousands under command he would hardly even gaze upon did make you feel special enough to forgive the inherent awkwardness of his advances. And so you decided to try and slide your own tongue under his upper lip, the gesture more a question than a bold move. He understood, pulling away from you with a slight suck before pulling you towards him, closing the gap between your chests. Like before, his tongue would map you out, but oh Emperor, how big it was. Big, slicking more by the second and ready to explore every single corner of your mouth. The underside of your tongue, it's minescule split and especially the tip were being taken care of by the warm, slick metal. He would sometimes stick his tongue deep into your mouth while having you know that he could probably penetrate your throat with it if he so wished. Fortunately he did not, but the sheer fact of him wielding his strength and transhuman features in this way made your stomach pool with the heat you haven't felt in months, not in this way.
It was getting hard to breathe though, and fortunately, he noticed this as well, breaking the kiss.
"How was it?" he asked, stoically as ever. You did need a moment to come back to your senses. What other things he could do with this tongue... You shot the thought dead in the face as you answered, cheeks warming, fingers trembling.
"I... I can't say, my Lord..." You allowed yourself another deep breath before continuing, the hunger in your eyes becoming biting when Manus swallowed yet again.
"I'll need to specify then." Manus stated, that warp damned piercing visible for but the blink of an unaugmented eye.
"How did the piercing feel. On your lip, on your tongue, the roof of your mouth."
He was so aloof, you couldn't help but get extremely flustered. It wasn't just the piercing, it never was just the piercing. First of all, a Primarch, the primarch your regiment was serving with nonetheless has given you more personalized attention than any enginseer or medicae did since you recieved your rudimentary augmentation. The honor! The prestige of only having stood in front of him... him literally lifting you to his level and easing you into an offer that wasn't waged in his favor, not that you could see anyways.
Then... here stood a figurehead unexceled by even the most studious higher tech adepts, the raw potential of what a utilitarian man could be personified. And that being gave you his undeterred attention, checked twice for your breathing and adjusted himself so his request could work. He! Not you!
And not only did he give you the affirmation that you existed, but moreso, that perhaps he liked doing this with you. He certainly swallowed a lot for it to indicate, but it would be an overstep to simply assume he was interested in you in that way. Still, you couldn't help the seed of conviction from taking root in your mind, and perhaps, just perhaps, he may even permit you to see him again. And do this all over...
But all he was asking for was the feel of the piercing itself.
"It rolled... it rolled nicely off me, my Lord. It felt like just the right amount of stimu.... stimulus. However, there's so many other factors that o..... obfuscate my review, I'm afraid."
You didn't realize that in the time of scraping for an answer, you scanned as much of his body as you could currently see - he wore an apron, supposedly to protect his torso, but even then part of his ample, pumped up chest was not covered. It seemed utterly inefficient and if he wasn't a literal Primarch, you would've compared it to a skimpy medicae or 'auxiliarette' costume some nobilitie's entourage wore. Now assuming his reason was thus would've been akin to spitting on his face and accusing him of being a petticoat's mote. You would never.
There you saw the first hunch of a change in expression in him. At first, his eyes furrowed, about to let go of your hair. But something in this resigned gesture halted and his face relaxed again. You could swear that the silver in his eyes just became less reflective, making it's grey ring visible.
"My presence seems to be too much for you to handle." He clicked his tongue, the image of his piercing flickering like an aftershock. "Your duty as auxilia will be halted by decree of myself, starting tomorrow. As promised, I will repair and improve your sorry prosthesis for a hand. I'll give you four weeks. If you can review and have me improve on my techniques by then... well, if you cannot, you will be returned to your regiment. Understood, auxilia?"
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Is this a multi part? Maybe maybe not.
I tried to go out of my comfort zone and really go into the physical details of them kissing, which is... well, awkward.
I imagine in order to kiss like a baseline, Ferrus needs to do duck face lips all the time hahaha
Also went a lil into the feels of someone being called by a damn Primarch and have that fact exasperated by him wanting to basically do intimate things with you 🪦
Most of us would just... die. Have our minds melted. We're not coming back and if we are, we're prolly some servitor now.
Tags in the end and I'm tagging everyone who liked my silly little idea (as far as they allowed it in their settings) .
@acexsmhking @its-teeem @von-jour @bunny-fair @celestia0473 @mirurnas @bjem @rute-me @jimimeboi @randomlyappearingartist @yagodnyizefir @psykerofbones @incrediblethirst @orquidia
Also @primarchpenissucker @fulgrimfanboy you may like













