The Holy Sippy Cup War Chapter 8 (Patreon)

8. A Battle of Babyish Wills

Luviagelita Edelfelt was determined to get this pathetic excuse for a mage diapered while her servant held off his. She was surprised by how easy it was: a simple gem was keeping him silent while she worked on pulling the diaper up around his groin as he looked on with wide-eyed fear.

“It’s as if he has no idea what’s happening.” she thought, patting his crotch through the padding of the thick pink nappy. Behind her, the battle raged, with Jaguar Man smashing her rattle mace into the concrete while the one who’d appeared with a sword dodged.

“It’s impressive,” Luvia said, “despite the handicap of being all babyish and requiring diapers, these two still operate on a level far beyond us. I’m amazed honestly. It’s not as if it’s all bad either.”

She turned to Shirou, a smile spreading deviously across her delicate face.

“These last days with Lancer have awakened something in me, giving me plenty of fresh ideas. Suffice it to say, I’m fairly excited to watch you struggle.”

If Shirou’s expression could become any more terrified it would have, especially when Luvia pulled out the onesie she’d prepared just for him. Pure white material adorned with embroidered yellow daisies awaited him. Ruffley fringes of lace sloped away from the sleeves, adding little ramps along the short shoulders.

She twisted it around, making sure to show him the three lines of lace along the back too, the perfect accent to go with the rounded padding around his bottom. The cuteness was merely part of the outfit's appeal. The cuteness was merely part of the outfit's appeal. I held magical secrets that made it practical as well

She’d specifically had her gems sewn into the embroidery, amplifying the draining and control effects of the pacifier she’s popped into his mouth.

With a flick of her finger she sparked magic into the paci, pulling Shirou up like a puppet on a string into a sitting position. Luvia’s hands pulled at the buttons of his uniform, undoing them as quickly as she could manage and ripping them away. Another finger brought his arms up.

She let him sit that way for a second, reveling in the control she could exhibit over his body. Her hand came up with her fingers straight as tombstones. The tips of those rigid fingertips pressed against her lips, hiding the opening of her mouth that allowed a coy laugh to escape.

“Oh ho ho, how delightful.” she mused.

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Chevalier darted to the left, keeping half their attention on the enemy Lancer while they watched their master’s continued babying. It was quickly going too far and they could feel Shirou’s burning embarrassment as the diaper wrapped around his waist.

Unfortunately, the cat-themed servant was doing an amazing job at blocking Chevalier’s attempts to get in close, bashing the rattle weapon down in their path each time. It was getting harder for Chevalier to maintain their initiative with each passing second.

The adrenaline of battle was quickly wearing thin for them and the burst of combat prowess they’d felt upon finding their master in a compromising position was faltering, lessening in favor of clumsiness that could only be attributed to their thick nappy.

They tried to lash out with their sword, thrusting toward the center of mass in the cat pajamas. With grace and poise, Lancer spun away, almost as if she was dancing against Chevalier’s strikes.

From the edge of their perception, they heard the laugh from Lancer’s master, a cruel cackle that reminded Chevalier a little of a witch. They turned, watching as the mage pulled a flower-embroidered onesie over his head.

This created an opening. Chevalier heard the rattle soaring through the air toward them, only just avoiding it when it was less than an inch away by scrunching their thighs together and compressing the padding between them unexpectedly. It was almost like they’d forgotten about it, brought back to reality when their legs buckled and they fell backward.

A call came out from what would have been behind them a second ago. “What a pathetic display! You can’t even stay on your feet while the mighty Jaguar fills her pants and strikes with deadly meower!”

The boasting was annoying to be sure but it did clue Chevalier in on where they needed to strike next without giving away their intention through their eyes.

In one swift move, Chevalier twisted, bringing themselves up to their feet and wrapping their arms around Lancer. Due to the height difference, this placed their face directly into the fluffy chest of their pajama onesie. It hardly mattered, now that they had her, they hardly intended to let go.

Jaguar bucked against their grasp, trying her best to break free but it was clear which of the two was physically stronger.

“I have you now minou sauvage,” Chevalier said, “Je n'ai pas l'intention de te laisser partir”

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Luvia finished slipping the onesie over the redheaded master’s body just in time to hear Jaguar’s declaration of having used her diaper. It earned a head shake from the affluent mage. She’d just finished changing Shirou and now she’d need to do the same for her Servant.

It hardly mattered anyway, the way she saw it the battle was nearly done. Jaguar seemed to have the other servant cornered while she’d managed to incapacitate the master. Several motions with her fingers indicated that he needed to lie back, nonverbal commands his body couldn’t help but comply with. It took a moment to work the snaps from beneath the thick diaper around his bottom, bringing them out so she could close them.

*click* The first one sent a spark through the rest of the fibers of the outfit, activating the implanted magic.

*Click* Luvia licked her lips in excitement, knowing that two more snaps were all it’d take to seal the onesie on the mage and send all his mana directly to her.

*click* She moved to snap the last clasp closed, locking this mage’s fate and ending his involvement in the war only to hear a clatter and a jabbering of french. She turned to see Jaguar being held in place by the stranger’s servant.

This development was more than a little surprising to Luvia who’d assumed her servant had all but won the battle given how much the Saber had been forced to run around. She took her hand away from the final snap of the gem-infused onesie, focusing on the servants’ fight as the androgynous heroic spirit drove Jaguar Man to the ground in one swift motion.

Using the multiple gems now covering the pathetic male mage's body she positioned him into her lap, resting the crotch of his diaper over her knee. “Now this is exciting. I’m curious to see how Lancer will break out of this!”

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“They’re not going anywhere.” Chevalier thought to themselves upon hearing the Mage’s declaration. They dug their heels into the ground and bent their knees to then propel themselves back with a hard jump, still with their face buried in the soft tummy area of the lancer.

They heard a gasp from beside them. "A suplex!" the woman exclaimed

The cat/woman made a hard oof sound, a full-strength blow from Chevalier not something one could just walk away from. She wasn’t down for the count but it was certainly enough to take her off her feet, landing back-first on the warehouse floor.

“Hey!” she complained, throwing weak jabs at Chevalier from her prone position, “let meow up!”

The ridiculous way this servant spoke earned an eye roll from Chevalier but they didn’t let up, continuing to keep her pinned with a firm hand to the sternum while the other worked the zipper down the length of the outfit.

“I’ll do to you what your master did to mine, minou sauvage. I can hear the squish of your couche. You need a change.” Chevalier said, filling their voice with all the paternal authority they could muster.

To their surprise, the restrained servant didn’t fight back against their grip or the unzipping. She instead gave a slight whimper and remained still. Chevalier took the opportunity presented by her submissiveness and finished pulling down the zipper to reveal the diaper beneath the pajamas.

Much like Chevalier’s master, the Lancer had become easily subdued, her pajamas being stripped open to make a makeshift changing mat. Channeling some mana from their master allowed Chevalier to summon their changing supplies. “I shall prove to be a better matrone than you ever could be, minou sauvage. Now let’s open up that diaper.”

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Luvia gawked at how easily her servant had been subdued as Saber ripped away Jaguar’s diaper. She briefly remembered a fact about animals showing their stomach as a show of submission to surrender to other animals.

“Could it really be so simple for somebody to overpower my servant?” she wondered while bouncing the pathetic male mage on her knee and listening to him whimper with each little jump of her leg. Exerting that control was the most she could do while she watched the tide of their servants’ battle turn.

Luvia wasn’t sure what to make of it, this situation being unprecedented in terms of the history of the Holy Grail War. Then another thought crossed her mind: what if there was more to Saber changing her servant than a show of dominance? Could it have some significance in this altered grail war?

Panic ran through Luvia at the same pace as the possible implications. Would one servant changing another cause her to lose the title of master? Could it weaken her servant? Was a diaper change like a mana transfer?

With her mind going haywire Luvia shot up, pushing the other mage to the ground. “Wait!” she yelled, reaching her hand out to stop Saber from ripping away the last tape of Jaguar’s diaper. The mysterious servant stopped, looking back at Luvia seriously.

“I’ll let your servant go if you release my master,” they said, maintaining their solemn expression. “I can’t just… you can’t be serious!” Luvia declared indignantly, trying to figure out a way to recall her servant and still keep the male mage under her thumb.

Her gaze drifted down to the red markings set into her hand, looking at the winged design framing either side of a sword that could force her servant to do anything. “Is it worth one of my command seals to keep this whelp out of my hair?”

She weighed her options before finally dropping her hand in defeat. “Fine, I accept your terms.” she said.

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Chevalier released Lancer after receiving assurance that Shirou would be allowed to go free. It was a risky move but one they felt comfortable with based on the noblewoman's honor. This standoff didn’t end well for either party. This was the most logical route.

They watched the woman in the pajamas cross the room while Shirou waddled over toward Chevalier. The noblewoman in blue shot a harsh look back at them, making her malice known. Chevalier half expected her to try and reignite the battle between them and gripped their saber in preparation for defending their master.

While the woman in blue’s anger had spiked, her servant plodded off dejectedly, obviously feeling demoralized. With a dissatisfied huff the enemy master turned away and left without another word, holding the honor that Chevalier had hoped for.

With them gone, the heroic spirit turned their attention to their master, who was still dressed in the onesie the woman in blue had put him in with the last snap hanging limply, undone. The magic infused into the garment radiated from his body.

“Are you okay, mon maître?” Chevalier asked, placing a hand on Shirou’s shoulder to steady him.

He seemed still dazed and made no moves to strip away the babyish clothing the other mage had placed him in.

“Mmm‘kay” he mumbled through the pacifier, his eyes still glazed over.

Chevalier found the display cute but disturbing. They worried about the effects their master might be under, and what lingering issues might persist from the clothing. At the same time, the overall cuteness of the outfit struck them—especially the yellow daisies carefully stitched across the body of the garment.

They failed to stop the giggle from escaping their throat.

“Wha’th tho funny?” Shirou asked through his paci.

“No, nothing,” Chevalier said, still trying to stifle their laughter, “It’s just… I am the Knight of the White Lily and now you are the Baby of the Yellow Daisy.”