Pipp knocked on her sister's door. She heard covers rustling and hoofsteps on the floor before the door opened.
"Yes?"
"Hi… Could I come inside?" Zipp nodded and opened the door wider, standing to the side to let Pipp pass. Pipp entered and turned to face her sister as she closed the door. "Remember how when we were fillies, and we used to, you know… fool around?"
10 Years Earlier
Zipp all but blasted through the door to her and Pipp's bedroom, a crazy grin on her face as she skidded to a stop beside her sister's bed. "Hey! Pipp! Guess what I just found in Mom's bedside table!"
A bleary-eyed Pipp rolled over and sat up. "Is that… a leg?" she asked, squinting at the long object in her sister's hoof.
"No, silly!"
Pipp looked closer. One end had a pair of round things on the bottom, the other end flared out, and there was a markedly thicker ring a third of the way from the round bits. Definitely not a leg, then. Pipp shrugged. "I give up."
"It's a rubber model of a stallion's private parts!" Zipp exclaimed. "Can you believe it? Mom always tells us not to look under stallions' tails, but we don't have to with this!"
Zipp's inquisitive mind was clearly in overdrive, but Pipp wasn't so sure. "What are we even supposed to do with it?"
"Oh! Uhh… I dunno." Zipp furrowed her brow, trying to decide what to do with her unique opportunity. She turned the rubber stallionhood over in her hooves. The thing itself smelled a bit like her mom's room late at night. In fact, spotting the dildo on the bed after her mom had fallen asleep was how she first knew to look for it.
Zipp's eyes caught on a little switch she hadn't noticed before. "Hm… I wonder what this does." She nudged it with her hoof.
The rubber cock jumped out of Zipp's hooves and fell to the ground where it made a humming noise as it jerked and vibrated on the floor. "Horseapples!" Zipp tried to catch it with a hoof so she could turn it off, but it shook her off every time. She accidentally kicked it under the bed, eliciting a groan from Zipp, who bent down to try and fish it out. She just managed to get a grip on the cock and propelled it toward her.
The dildo shot out from under the bed and skittered across the floor. Pipp jumped out of bed as Zipp ran toward it and tried to jump on it, but it bounced sideways just as Zipp lunged for it.
"Sit on it!" Pipp said.
Zipp slammed her rear down on the flared end of the vibrating dildo. The dildo, pushed up against her backside, started vibrating against her fillyhood. Pipp rushed over and flipped the switch off. Zipp managed to maintain her focus long enough to stay mounted on the dildo, but as soon as it was off, she let herself fall backwards. "W-wow," she breathed.
Pipp stood over her sister. "Are you alright?"
"That was amazing! I gotta do that again!" She rolled over and reached for the dildo.
"Wait! Zipp! Don't!"
Zipp ignored her sister and flipped the switch back on. This time, though, she plopped herself down on the dildo before it could escape. Her mouth fell open, the sensations overtaking her as the vibrations of the dildo assaulted her filly bits and tickled her tailhole. She moaned, starting to rock herself back and forth on the rubber length.
Pipp wasn't sure what to make of the situation. She didn't know what the dildo was doing to her sister that would make her act like this, or make those noises. A shiny wetness appeared on the dildo under Zipp. Pipp recoiled at first, thinking her sister was peeing on the floor… but this stuff smelled different.
Zipp tensed up, her little body shaking under the weight of the sensations running through her. She let out a scream and her wings threw themselves to their full span, more of that juice gushing out of her and getting on the floor and all over the dildo. She keeled over to the side, her leg twitching as she panted and luxuriated in the afterglow of her first orgasm. An almost goofy grin was firmly fixed on her face.
Pipp moved forward to turn off the dildo, her eyes drawn to the wet spots Zipp had left on it. The smell was like nothing she'd ever encountered before, as if it were completely unique to Zipp herself. What [Pipp] did know, though, was that her own backside was tingling, as if her body was aware she'd just witnessed a higher experience.
Beyond that, Pipp was becoming aware of a sort of ache deep within her, and she knew, somehow, that it had something to do with her fillyhood. She felt a miniscule pull toward the dildo, as if there was something in its shape or its almost intimidating size that was driving her forward.
Zipp sat up to find her sister lying on her back some distance away with the slickened dildo clamped between her forehooves so the flared end was brushing against her fillyhood.
"Holy—" Zipp gasped. "Will that even fit in there?"
"Only one way to find out!" Pipp called back with an excited smile. She tried pushing the dildo into herself, but the flared tip was far too wide to fit easily into her little pussy. It simply bent, slipping away from her folds and bouncing against her tailhole or sliding up her belly. "Could I get a little help?"
Zipp was only too happy to oblige. She moved over and guided the end of the dildo to her sister's entrance, squeezing the flare so it could slip into her more easily. Pipp pushed down on the back of the dildo while Zipp kept the front end steady until the dildo popped past her entrance, burying a few inches inside her. Zipp lost her grip on the flare, allowing it to expand back to its previous dimensions and stretch out the filly's virginal canal. Pipp squealed in newfound pleasure, her walls squeezing around the dildo.
"You want more?" Zipp asked?
"Yes!"
Zipp took the base of the dildo in one hoof and held the middle up with the other and began to push it further into Pipp. The dark rubber, lubricated by Zipp's juices, slowly ground into the filly, filling her up and ramping up the pleasure running through Pipp's body.
When the dildo was about halfway buried inside Pipp's body, it hit some sort of a barrier, and could go no further. Pipp shivered, the feeling of the dildo bottoming out in her bringing a fresh wave of bliss. Just then, Zipp had a devious thought. Keeping an eye on her sister's face, she felt around for the vibrator switch and flipped it on with a flick of her hoof before letting go of the dildo.
"Zi-i-ipp!" Pipp whined, moaning and thrashing as the dildo began to vibrate inside her. It felt like the vibrations from the dildo were running throughout her body, shaking her to her very core. She found herself completely unable to the think, the assault of the vibrating dildo on the poor filly's walls short-circuiting her brain. With a loud cry, she felt her fillyhood clench down on the toy and deliver a series of squirts of what could only be the same fluid as Zipp had released.
Zipp reached over and turned off the dildo before slowly sliding it out of her breathless sister. She brought her face close to Pipp's and asked, "What'd you think?" She could already guess the answer, but it was fun to ask.
"Th-that—" the panting filly stammered, "w-was the most amazing thing I've ever f-felt!" She put her legs around Zipp's neck and dragged her down into a kiss.
Zipp's eyes went wide, but she soon relinquished herself, returning the kiss and caressing Pipp's face and mane with her hooves.
Queen Haven burst into the room to find her two daughters locked in a passionate kiss, who both shot to their hooves with guilty expressions. One of them tried to step in front of her dildo, which laid on the floor nearby, freshly soaked in somepony's fluids. "Well, well…" she intoned. "It would seem you two have found a way to get along."
The two fillies looked at each other, confused.
"I'll be taking that back," she said, pointing at the dildo. Zephyrina picked it up, tried to wipe some of the fillycum off on her coat and brought it to her mother. "Don't go through my things." Even though the situation was extremely compromising, and getting the dildo required an invasion of her privacy, Haven couldn't bring herself to be mad. Frankly, if it kept her daughters from fighting, she wouldn't tell them not to do it. "Just… just don't do… that… in broad daylight. Understood?"
The two fillies nodded eagerly, already curious about what else they could make their bodies feel.
Author's Note
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