Chaldea Subjugation Organization (Fate/Grand Order)

It’s been a few weeks since what they were calling the ‘Little Big Tengu Event’ had taken place. As such, when Shigure came back to his quarters one night to find a Chibi Ushiwakamaru Doll waiting for him on his bed, he thought nothing of it at first, assuming that it was just a gift left for him by the Servant herself. That is, until he gets closer and the ‘doll’ blinks at him.
 
“Master!”
 
Hopping to her feet, a re-chibified Ushiwakamaru poses with her hands on her hips and a big wide smile on her too-large head. Blinking, Shigure reels back for a moment.
 
“Wait… how did you get Chibi again?”
 
But Chibi Ushi quickly waves such concerns away.
 
“Never mind that, Master! As your loyal bitch, I know full well that you definitely wanted to fuck me in my Chibi Body, but unfortunately didn’t get to back then! So I’ve made sure you got the chance here and now!”
 
Without missing a beat, the chibified swordswoman proceeds to fling off her clothes, revealing her pudgy, stumpy body. Frankly, there wasn’t anything sexy about her. And yet… Chibi Ushi was right. It had only been a stray thought, but Shigure had considered what it would be like to fuck the Chibi version of one of his very first conquests, even as he was dealing with what had turned her Chibi in the first place.
 
… If there really wasn’t any harm in it, then why not find out what it was like now, right?
 
“Go on, Master! Remove your pants, sit down on the edge of the bed and I’ll get started!”
 
Somewhat nonplussed, but also not ENTIRELY uninterested in what Chibi Ushi has to offer him, the Master of Chaldea just shrugs and shucks off his pants and boxers before sitting down on the edge of the bed with his knees spread apart and his dick slowly twitching. It’s not quite coming to life just yet, but Chibi Ushi is eager to make shit happen.
 
Jumping into action, the small, doll-like Servant wraps her entire body around his cock. She’s like a wingless fairy or something with how tiny she is compared to his dick, but that doesn’t stop the chibified swordswoman from giving this her all. Starting off with a body job seems to make the most sense to her, and Shigure has to admit… a little while into it, it makes the most sense to him as well.
 
Her pussy lips rub against his dick as her limbs wrap around his shaft. Even her giant head feels good as she nuzzles his cock, her lips laying big wet kisses upon his growing shaft while her moans reverberate directly into his dick flesh. Over the next several minutes, Chibi Ushi manages to get him properly erect despite her unconventional appearance and size.
 
However, this proves to be… detrimental to her own designs. See, Shigure is rather large once he’s at full mast these days. What starts out as Chibi Ushi wrapping around his still-soft cock and rubbing all over it, rapidly turns into her worshipping the monument to his virility that is his manhood. Sure enough, his cock grows and grows and grows, until Shigure is fully erect… and Chibi Ushi finds herself facing a proper mountain instead of a hill.
 
She kneels atop his legs, rubbing her nonexistent chest and lips against his throbbing shaft, but she ultimately struggles to reach his cockhead so she can properly try and suck him off. Watching her fail to do so ultimately amuses Shigure more than he cares to admit, his eyes twinkling and his mouth twitching as Chibi Ushi tries again and again to shimmy up his cock length, only to slide back down… mostly as a byproduct of her own arousal causing her pussy juices to end up all over his dick.
 
Basically, the chibified swordswoman has turned his cock into a slippery and slick surface that cannot be climbed so easily, even with all of the veins throbbing from it. Watching on in amusement, the Master of Chaldea does his best to contain his laughter in the face of Chibi Ushi’s struggles. But alas, either she eventually catches him… or she knows when she’s been beaten, because finally she stops and looks up at him, pouting mightily.
 
“Master! I need your help! Please lift me up so that I might service you properly with my mouth!”
 
Well, when she begged so effectively and asked so nicely… Shigure would feel like a right prick not helping her in those circumstances. Still amused, he reaches out and wraps his hands around Chibi Ushi’s midsection. The chibified Servant isn’t small enough for him to one-hand her unfortunately, but with both hands he’s able to lift her up the length of his cock until she can reach his tip.
 
Without hesitating, Chibi Ushi opens her mouth as wide as she can, which is actually fairly wide despite her appearance. With her head being almost half of her chibified body, the swordswoman’s mouth is borderline normal in size… though even still, she definitely struggles to take his dick into her gaping maw. Still, ultimately she stretches her jaw as wide as possible and then glomps down, suckling on his cockhead while continuing to rub her Chibi body all over the rest of his member.

 
Shigure groans, enjoying the incredibly strange sensation for what it is. Was this how he thought this would go? Was this how he imagined it when he’d vaguely wondered what sex with the chibified version of Ushiwakamaru would be like? Hm… no, but that doesn’t mean he’s not enjoying himself. The Master of Chaldea is the ultimate pervert. He enjoys every fetish and he enjoys women in every shape and size. Even chibified, it would seem.
 
Especially when they’re as slavishly devoted to his pleasure as Ushiwakamaru is, no matter what her body type. Oh sure, perhaps she would have had an easier time serving him with her normal body, but it wasn’t always about what was easy. Sometimes, you had to play around with difficult things in order to discover new ways of having fun.
 
In that regard, Chibi Ushi succeeded. Her big mouth and her small Chibi body are the perfect combination and after a time, Shigure groans as he finally reaches the precipice… and tips right over. Chibi Ushi’s eyes widen at this, going as big as saucers on her too-big head, but she still endeavors to swallow every last drop of his load.
 
Gulping away, the chibified Servant soon has a bloated belly, as every bit of his cum has ended up going down her gullet. She hasn’t spilled a single drop, and Shigure has to admit… he’s rather impressed by that, even as he pulls her back and looks at her for a long moment speculatively.
 
Not waiting a single second, Chibi Ushi spreads her stubby Chibi legs nice and wide, presenting the dripping wet pussy betwixt her pudgy thighs to him.
 
“Go on, Master! Fuck your Chibi Bitch’s cunt!”
 
… Yes, that was more like what he had imagined when he’d thought about what Chibi Sex might be like. Using her like one might use a talking onahole or fleshlight in the shape of a toy doll. Grinning, Shigure brings Chibi Ushi down onto the tip of his dick, pushing against the entrance to her Chibi Pussy. Of course, her extremely small size makes it a difficult, if not impossible proposition.
 
Maybe he should have started with his fingers? Chibi Ushi is incredibly wet, as he would expect from his bitch of a Servant, but wetness isn’t everything. She’s insanely tight, and Shigure is just considering pulling her back and starting in on her with his fingers instead when she suddenly squeals and speaks up.
 
“M-More, Master! You can d-do it! Don’t, nnngh, d-don’t stop now! You got this!”
 
Well shit. If Chibi Ushi believed in him… how could he possibly do anything less? The ridiculous thought brings a smile that’s half-amused, half-bemused to Shigure’s face, even as he grips down harder on Chibi Ushi’s midsection and promptly pulls the doll-like swordswoman further down his dick. Inch by inch, he forces himself up into her chibified pussy.
 
“Yeah! Like that! You-!”
 
With a grunt, Shigure shoves her further down his cock and watches as Chibi Ushi proceeds to Chibi Ahegao all over the place, his cock bottoming out in her womb in a split second, going right past her Chibi Cervix. Her stomach deforms rather cartoonishly as a result, prodding out as her eyes roll back in her head and her tongue lolls out of her too-big mouth.
 
For a long moment, Shigure just stares, feeling her pussy flexing around his cock, perhaps one of the tightest cunts he’s ever been inside. Though it would be like comparing apples to oranges, he supposed. There’s nothing human about a Chibi Pussy. There’s nothing at all natural about this. But… it is fun, he supposes.
 
“Keep going, Master! You can, nngh, keep going!”
 
Blinking, Shigure realizes that Chibi Ushi has already recovered from her ahegao and is begging for more. In which case… more he will give her. Spinning them both around, he takes Chibi Ushi in an awkward mating press, mostly made awkward by the sheer size difference between them. Grunting, the Master of Chaldea fucks into Chibi Ushi again and again… struggling with pulling out of her each time as her cartoonishly tight, clenching cunny makes it incredibly difficult.
 
However, Shigure isn’t just a Master, damn it! Though… this might just be one of the silliest things he’s had to use his enhanced physicality for since gaining it. Oh sure, he’s used his inhuman strength to fuck some other female Servants before this, but Chibi Ushi is the first that’s forcing him to go all out just so he can pull out of her in order to shove back in.
 
Squealing happily, the chibified swordswoman cums again and again on his cock, gurgling and moaning in ecstasy. Until at long last, Shigure finds he cannot hold back any longer. He’s not sure how long he’s actually lasted, only that Chibi Ushi’s pussy is milking him for all he’s worth and he’s not inclined to stop it from tipping him over the edge yet again.
 
With a groan, he cums inside of her, pouring his seed into her womb. Her stomach deforms even more than it already was as it swells and swells with seed. No longer is it distended because his massive cockhead is protruding outwards against her insides. Now one can’t even make out his cockhead amidst the almost ball-like shape that Chibi Ushi has taken.
 
After finishing with creampieing the chibified Servant, Shigure pulls out with a shuddering sigh, and they both watch as Chibi Ushi’s Chibi Pussy returns to its original shape, all but snapping back into tight and closed up. The tightness seals the load inside of her, leaving her stuck in that ball shape as she rubs her hands over her ballooned belly and giggles drunkenly.
 
“I’m so happy to have pleased you, Master~”
 
… But Shigure isn’t done yet. With a simple grunt in response, he grabs hold of the doll-like Servant and flips her over onto her front. Chibi Ushi squeaks at first, but when she figures out what he’s going for… that is, her asshole, she looks back at him and lets out a perverted giggle.
 
“Yeah! Go for it, Master! Conquer all of my Chibi holes, like you do all of your Servants!”
 
… Right. That was the plan, but being cheered on did make Shigure feel a little weird about it. All the same, he wasn’t going to stop now. Chibi Ushi’s back door is even tighter than her front… but Shigure is too committed to give up at this point. Instead, he growls and holds her aloft, forcing inwards on her puckered anus until he finally manages to pierce her Chibi Asshole.
 
“Y-Yeah! That’s it! Keep going Mast-ulp… ggrrrkkk!”
 
Blinking, Shigure pauses for a moment as Chibi Ushi’s cheering suddenly turns into a weird gurgling sound. He’s confused… until he realizes what’s happening. He’d wondered how exactly a Chibi Body might work… but it seemed he knew now. They were certainly more streamlined than a normal human body, especially if his cock was already beginning to push up her throat from within.
 
He probably should have stopped and checked on her really quick once he realized what was happening, but truth be told… he couldn’t help himself. He was too fascinated to stop now. Besides, Chibi Ushi was still a Servant, so fixing her up wouldn’t be too difficult. Besides that though, she was also a Chibi… and Chibis didn’t seem to take damage in any normal fashion.
 
And so Shigure keeps going, pushing his cock deeper into Chibi Ushi’s ass until its not just poking up the back of her throat, but actively poking out of her mouth. Shigure grins as he slowly moves the chibified swordswoman’s body up and down his cock, using her as his personal dick-sheath for a few moments as an experiment before starting to move faster.
 
He pounds her up and down his length, enjoying every last inch of her insides as his cock spears out of her Chibi mouth, stretching it just as wide as when it had been going INTO it before. Shigure’s shaft is gripped tightly by her chibified body, the swordswoman helpless to do anything but take it in that moment. She was, after all, just a Chibi.
 
As her limbs sway back and forth beneath her, her body stretched to the point of obscenity on his cock, Shigure groans in pleasure and comes to a decision then and there, even as Chibi Ushi is choking heavily on his cock barreling up out of her gullet, her esophagus, and finally her mouth.
 
“hkgaG! hkgaG! hkgaG!”
 
“… You’re never changing back, Ushiwakamaru. From now on, you will be Chibi Ushi. From now on… you will live solely as my own personal onahole. I shall utilize you in this way whenever I have need for a… handheld experience.”
 
In between her choking and gagging on his cock, Shigure can make out Chibi Ushi’s squeals of delight at this decision of his. In fact, if he had to guess, he imagined she’d intended for this to be the outcome from the very beginning. Maybe not this specifically, with his cock quite literally stretching out her entire body from anus to mouth, but Shigure suspected that Ushiwakamaru liked being Chibi more than she liked being normal. In which case… he would be sure to make her dreams come true and use her to his heart’s content for however long he wanted.
 
Continuing to thrust the gurgling chibified Servant up and down his cock, Shigure sits back down on his bed and settles in to enjoy abusing his adorably Chibi Onahole for the rest of the night and well into morning.

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