Cambrian’s Emporium of Everything (Multiple Settings)

Compromises (Fate/Grand Order)

Commission

Themes: Futa Sex, Dom/Sub, Breeding

Summary: After they're both summoned to Chaldea, Mordred figures her father will HAVE to finally acknowledge her as her son... right? But when that doesn't happen, Mordred decides she might as well force Artoria to acknowledge her SOME way at least!

-x-X-x-

“Father! Acknowledge me!”
 
Not for the first time, those cold blue eyes fall upon Mordred, causing her to shiver a little bit in fear. But she stands her ground all the same as Saber looks across the way at her, completely unfazed by Mordred confronting her. They had both been summoned to Chaldea as Servants to the Chaldean Master. They were technically allies at long last, with nothing and no one to turn them against one another.
 
So… it seemed like maybe they could finally build a proper father-son relationship? Setting aside how beautiful she found her father; Mordred had no ill-intentions this time around. All she wanted was to forge something real and honest with Artoria Pendragon for once. Was that so bad?
 
“No.”
 
With that, Saber turns and shows Mordred her back, preparing to walk away. It’s enough to make Mordred want to howl in rage. Instead, she snarls and materializes her sword, slamming it down into the floor between them and drawing Artoria’s attention back around. Once she has her father’s gaze on her again, Mordred sneers.
 
“Then I challenge you to a duel, Artoria Pendragon, King of Knights! If you will not acknowledge me… then fight me!”
 
Tilting her head to the side, the Saber-Class Servant regards Mordred just as coolly as ever. But then her nostrils flare and she nods sharply.
 
“Very well. I shall give you a lesson that might finally curtail that impudence of yours.”
 
Impudence? IMPUDENCE?! All Mordred wanted was for her father to acknowledge her as a son! All she wanted was for them to finally be the family they could always be! If that was impudence, then Mordred would gladly continue being impudent for a very long time indeed!
 
“Come with me!”
 
Alas, she knew better than to have the duel right here in the corridor. In fact… she was probably going to get a stern talking to just for damaging the floor with her sword. Instead of fighting it out here, Mordred leads her father down the hall to one of the training rooms where they won’t have to hold back against one another.
 
Where Mordred will be able to prove to her father that she’s worthy of Artoria’s affection and attention, once and for all.
 
-x-X-x-
 
An impotent growl rips its way out of Mordred’s throat as she collapses to her knees. She’s been defeated… again.
 
“Foolish as ever.”
 
Twitching, Mordred looks up to see her father staring down at her coolly. Artoria Pendragon, aka Saber, aka the King of Knights. This whole duel had come about because she’d been so fed up with her father’s attitude. Artoria couldn’t help looking down on her, and Mordred was fucking sick of it!
 
Unfortunately she’d lost again. The King of Knights had beaten her once more, as evident by the fact that Mordred was on her knees and Saber was standing over her, looking as perfect as ever. Exhaustion fills every fiber of Mordred’s being, but it’s not really a physical exhaustion. Rather, they can’t truly GET exhausted anymore. No, this is a soulful sort of exhaustion. She’s just so tired of being ignored and looked down upon by her progenitor.
 
Of course, it doesn’t help that Artoria Pendragon is the source of many of Mordred’s sexual fantasies. Nor that she’s found herself lusting after her father for quite some time now, even before being summoned to Chaldea. It’s shameful thinking and Mordred knows it. It’s something she’s never been able to acknowledge before. But now that they were together in Chaldea, she’d thought… she’d hoped that they could be father and son properly, and maybe she could finally set aside her embarrassing lust.
 
Gazing up at the beautiful blonde’s gorgeous form, a feeling burns to life in Mordred’s chest as she realizes that won’t ever happen. Artoria will never acknowledge her as her son, not truly. Anger fills Mordred’s being… but along with it comes more lust than ever before, lust she can’t control and can’t repress like normal.
 
Mordred is well aware of how she was conceived. Merlin had granted Artoria a temporary cock so she could consummate her marriage with Guinevere, only for Morgan le Fay, Mordred’s mother, to enchant Artoria and steal her seed. As a result, Mordred was born as a homunculus-like clone of Artoria, sharing her father’s features far more than her mother’s.
 
However, there was one feature that Mordred had that her father did not… or at least, Artoria did not have that feature anymore. A shiver runs down Mordred’s spine as she feels her futanari cock begin to stiffen and throb beneath her clothes. Her rising shaft begins to stir her red loincloth, lifting it up in what could have been quite the embarrassing moment for Mordred… if Artoria were still gazing down at her so judgmentally.
 
But before Mordred can even get embarrassed, she realizes there’s no need… because Saber has already turned away. The King of Knights clad in blue has turned her back on Mordred yet again, dismissing her like so many times before. That… that’s the final straw for Mordred. That’s the last thing she sees before her vision goes red.
 
In that moment, rage overtakes Modred. Rage… and possessive, obsessive desire. With a snarl, she lives up to her moniker as the Knight of Treachery, lunging to her feet and striking Artoria Pendragon from behind. However, her sword doesn’t go through Saber’s back, even if it probably could have. Instead, the blade shreds through the other blonde’s armored outfit, not once marring Saber’s skin but definitely ripping her clothing asunder.

As Saber reels from the surprise attack, her ruined clothes dispersing into motes of light and leaving her buck-naked, Mordred howls. Taking advantage of her father’s shock, she tackles the other woman and grapples her to the floor on her back.
 
“Mordred! What do you think you’re d-doing?!”
 
“I don’t know why I thought things could be different now that we’d both been summoned to Chaldea? But fuck it! I’m done trying to impress you, father. Now I’m going to have what I’ve always wanted whether you like it or not!
 
Far from harming Saber, Mordred merely pins the King of Knights down and runs her hands all along Artoria’s body. From her toned arms to her firm but small breasts, all across her six-pack sporting abdomen and well-defined legs. And then up and down again, caressing and groping and kneading to her heart’s content.
 
Strangely and very surprisingly, Saber’s struggles begin to slow to practically nothing, something that doesn’t escape Mordred’s notice in the slightest. Half-sneering, half-smirking, she cackles down at the look on her father’s face. From the expression Artoria Pendragon is sporting, she’s just as surprised by her instinctive response to Mordred’s actions as Mordred herself is.
 
“For a King, you sure are easy to dominate. So quick to submit. So swift to give up like there’s nothing you can do.”
 
Mordred scoffs and Artoria flushes and averts her eyes because they both know there’s plenty that the Saber could do to escape Mordred’s grasp. That she doesn’t, that she’s acting like this after being so cold before… Mordred suddenly realizes she’s been going about this all wrong. All this time she’d just wanted to connect with her father like a father and son should. But instead, she should have been treating Artoria as what she truly was… a woman.
 
Dismissing her own clothing into motes of light, exposing her own naked body, Mordred wastes no time in pressing her nubile flesh against her father’s. Her futa cock in particular is rock hard, pulsing, and throbbing at this point, and she slaps it down onto Saber’s already wet pussy with great relish, turning the moistening sex into a drooling slit in no time at all.
 
At the same time, she elicits a low, confused moan from the submissive king beneath her, making Mordred snicker.
 
“Who’s foolish now, huh?”
 
In that moment, Mordred knows she’s already gone too far. There’s no going back here. So she might as well go for broke. Sliding her hands back down Artoria’s body, pretending like she’s just caressing and fondling her father some more… she eventually grips down harshly on Saber’s hips and abruptly flips the King of Knights over onto her front.
 
An undignified and uncharacteristic squeak leaves Saber’s lips, but it’s followed by a yelp as Mordred smacks her ass cheeks with both hands and then leans over her, pinning the King of Knights down again. Moving her fat futa cock back into place, she slides it down between Saber’s thighs and up against her sopping wet slit.
 
Then, she wraps her arms around her father’s neck in a chokehold, taking her time with it and savoring every last moment as she makes sure she ‘positions it right. It’s only too late that Saber realizes what she’s doing and tries to stop her. The blonde is too distracted by Mordred’s cockhead up against her drooling cunt lips.
 
“W-Wai-urk!”
 
Cutting her father off mid-word, Mordred pulls Saber’s head up as she completes the chokehold. With how much time she had to get her arms into place, it’s a picture perfect chokehold even as one of Saber’s hands latches onto Mordred’s suddenly bulging arm, trying to pull it away.
 
Maybe if the chokehold was all Mordred was going for, Saber might have had the strength to break it. But of course, in the same moment that Mordred gets her father into a chokehold and Saber starts to struggle again… Mordred thrusts into the blonde King of Knights from behind. She slams every last inch of her massive futa prick into her daddy’s pussy, filling Saber’s cunt and stretching her out nice and wide.
 
Saber chokes on her own spit at the sudden penetration, completely separate from the effect the chokehold is having on her. She gurgles and shudders, even as Mordred forces their sexy, muscled, toned bodies closer together while holding Saber down to the ground. Her own rock hard nipples and mosquito bite sized breasts press into the rippling muscles of Artoria’s back, while she forces the blonde’s spine to arch.
 
Her hips and thighs, meanwhile, are pressed against Artoria’s toned buttocks, while every inch of her cock buries itself in the bitch’s ass. Gurgling helplessly some more, Saber’s resistance quickly goes away again once Mordred starts fucking her properly. It would seem she’s found her daddy’s one true weakness… getting fucked like a bitch by a proper cock.
 
Giggling rather evilly, Mordred doesn’t let up, not even for a moment. Funny, she’s never been closer to Artoria than right now. The woman who was supposed to be her father, who was supposed to be her parent… now reduced to nothing but a fuck toy as Mordred slams into her cunt from behind again and again, prone boning her while maintaining the chokehold all the while.
 
Saber’s struggling is nonexistent after a certain point, and when Mordred uses the chokehold to tilt her head back a little further, she finds out why. The King of Knights, a consummate professional who radiated stoicism and coldness at all times… was ahegaoing in such a humiliating fashion that it made Mordred let out a bark of laughter. Her mouth was wide open and her tongue was lolled out from between her lips, while her eyes are crossed from the pleasure.
 
And it is pleasure, because Mordred can feel Artoria’s pussy walls clenching and flexing and GUSHING down her futa length with every thrust she makes into the King of Knight’s bitch-pussy. As she pounds Artoria into the floor, she counts out her father’s orgasms in her head, recognizing that in the end… she’s finally won.
 
That’s what finally tips Mordred over the edge. With one final thrust, she buries her massive futanari prick inside of Artoria’s womb itself. She groans then, watching as her father’s facial expression gets even more humiliating as Mordred cums inside of the blonde woman. Artoria’s crossed eyes fully roll up in her head then, her lolling tongue suddenly sticking straight out from her open mouth as she gurgles and moans and squeals.
 
Stream after stream of hot, sticky semen unleashes from Mordred’s balls into the depths of her progenitor’s womb and it has to be the most satisfying, most arousing release that Mordred has ever had. In that moment, Mordred has a soul-deep certainty despite their current state as summoned Servants of Chaldea. She’s just impregnated her father. She’s just knocked Artoria Pendragon up and put a baby in the King of Knight’s womb.
 
After finishing unloading inside of and fully inseminating Saber, Mordred releases her from the chokehold, letting the twitching King of Knights collapse face first onto the ground. She runs her hands down along Saber’s body again, across her side and then down and around to those perfect abs of hers. She imagines Artoria’s six pack disappearing as her stomach swells with Modred’s child and the thought makes her futa dick twitch with renewed life, growing hard again as Saber trembles and twitches her way towards recovery beneath her.
 
… But they can’t have that, can they? If Artoria is allowed to fully recover, if Mordred pulls out of her and leaves her now, even if her father is pregnant and has to bear her child… she’ll be more cautious in the future. Saber will never allow something like this to happen again. Unless, that is, Mordred pushes her luck.
 
Leaning forward, nuzzling Saber’s hair from behind, Mordred brings her lips to father’s ear.
 
“I’m going to fuck you some more now. Going to pound you into this floor until it craters beneath us. Going to plow your fertile fields again and again until I’ve made sure you’re properly knocked up. Then, I’m gonna make you my bride, daddy.”
 
As she speaks, Mordred starts to move again. Slowly at first, but with a certain determination and resolve to her thrusting. Honestly, she’d mostly been saying what she was planning for her own benefit and to build her own lust and arousal… which is why she’s sort of surprised when finishing her little monologue results in Saber suddenly explosively orgasming at the thought of everything Mordred has just promised to do to her.
 
Blinking for a moment in honest surprise, Mordred just lets out another bark of laughter, all while wrapping her arms around her father’s body to grope at her breasts.
 
“So this is the kind of person you always were?! I can’t believe I never did this before! All this time I just wanted to be acknowledged as your son… but I guess I’m the daddy now!”
 
Saber lets out a pitiful keening whine at that, especially when Mordred grabs hold of the King of Knight’s rock hard nipples and pinches them hard. But she doesn’t try to deny it. She doesn’t try to fight back at all. In the end… Artoria Pendragon completely submits to her utterly delightful fate, while the Knight of Treachery coos and crows at her victory and conquest of her father.

-x-X-x-

Also shameless plug time: Just started a new Free Write and it would mean the world to me if you guys checked it out!

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