Mona's Mind Control Misadventure

by LewdChapter

Rating: mature
Tags: Profanity, Non-consensual, Alternate Universe, Human, Original Character, Porn, My Little Pony: Friendship is Magic, Fetish, Sex
Length: 5953

Rym makes a grave mistake while attempting to mindcontrol her sister

Rym and Mona are sisters, and sisters annoy each other. It happens. To combat this mild annoyance, Rym decides Mona needs a little mind-altering push in the right direction.

It worked out better in her head.

WARNING: this story contains mindcontrol, mild pet play, buttplugs, vibrators, and humiliation.

Commissioned by Patron and good friend of mine, Hoovier

Rym Waggles and Mona Squiggles belong to Hoovier. Berry Brew belongs to Stardust

Want sneak peeks of upcoming stories, a say in what I write next, or discounts on commissions? Consider supporting me on Patreon!

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Published 2021-07-20 17:00:02 UTC
Last updated 2021-07-20 17:00:02 UTC

Mona's Mind Control Misadventure

Rym slowly, carefully maneuvered her forceps, gently laying a node into place. She quickly grabbed up a soldering iron, securing the node in place before going further into the device. She tugged at wires and spliced them together, double, triple, quadruple checking her work to ensure her failsafes would function properly. Safety was paramount in this particular device, as one wrong move could have disastrous results, and Rym didn’t want to go down that road again. Memories flashed through her mind, thoughts of Mona and those damned goggles, and Rym faltered. Maybe she shouldn’t be doing this. Maybe it was too risky.

“No. Nothing like that can happen this time,” mumurred Rym to herself. “I’m being careful…”

“Hey, sis! We got any chips?”

Before Rym could think to hide her work, the door to her workshop burst open, and in walked the source of her guilt and, more importantly, her general annoyance; Mona skipped into the room, fresh home from classes, completely, blissfully unaware as to what her sister was up to. Luckily, Rym had plenty of time to shove her device to the side before Mona saw it as she skipped over to the workbench.

“Whatcha workin’ on?” asked Mona as she boosted herself up and onto the workbench. “You finally getting around to fixing my phone?"

"I've told you a million times, Mona, I don't make phones!" Rym narrowed her eyes at her sister, shifting in her stool to better hide what she was working on from Mona's nosey gaze. "Besides, I can't 'fix' your Instagram. You just forgot the password. Make a new one."

"But all my followers… I bet you could just figure out how to build a new phone with a new password.” It was this sort of willful ignorance to the way things worked from her sister that frustrated Rym more than just about anything. Did Mona really think it was that easy? “Pleeeeaaaase? C’mon, Rymmy, please?”

“Go. Away.” Rym turned back to her work, looking the device over carefully. Ultimately, it was little more than a small adhesive patch with a multitude of micronodes embedded into it. These nodes, once given direction, were capable of sending powerful surges of energy to alter one’s brainwaves. With the aid of the remote, sitting just a few inches away on the desk, Rym could use the Mind Alter Patch (or MAP) to manipulate the thoughts and behaviors of the wearer, all the while making them think the thoughts were naturally theirs. “I’m busy.”

“But Ryyyyyyyym!”

“Mona! Just…” Rym trailed off, looking her device over carefully one last time. She had checked her work again and again, and everything seemed sound. At the very worst, the device just wouldn’t activate, at which point Rym would just remove it in Mona’s sleep (a very easy task, as Mona was quite possibly the heaviest sleeper on the planet). Perhaps now was the time for some testing in the field. “You know what? Come here, Momo.”

Mona shimmied forward and, to her surprise, Rym grabbed her up in a warm, loving embrace. Mona knew her sister to be many things: grumpy, short-tempered, short in general, and maybe a bit boring, but she hadn’t ever known Rym to be much of a hugger. Still, she loved her sister and she understood that, beneath all the awkwardness and borderline obsession with her inventions, Rym loved her, too.

What Mona didn’t know was that Rym had slipped the MAP into her hand, allowing her to very easily plant it onto the back of Mona’s neck when the pair hugged. Rym patted her sister on the back and pulled away, leaving Mona none the wiser to her dastardly scheme. She slid back to her position at her desk, reaching for her remote and leaving Mona somewhat confused by what had transpired.

“What the heck was that about?” asked Mona.

“I’ve been stressed out lately, and I’ve been taking it out on you. So, I’m sorry,” sighed Rym. This wasn’t technically a lie, as Rym had been a bit short with her sister as of late. Whether or not Mona deserved that heat was up to debate. “I’ll work on your phone thing. Just give me a few hours, okay?”

“Aww, you’re the best, sis!” said Mona with a grin. “And don’t worry, I’ll get out of your hair soon enough. I’ve got a friend picking me up in a few, we’re gonna hang out for a while.”

“Mh-hm. Just don’t stay out too late.” Rym pressed a button on the remote, powering on the MAP and beginning its pre-installed program. Rym had already punched in a few minor commands, little things to shape Mona’s mind, but her remote was also programmed to allow her to use custom commands in the future, if she so desired; Essentially, it compelled Mona to do whatever Rym wanted her to do. For now, she simply waited a tick for the MAP to hum to life, the tiny, lightning-fast shift of Mona’s expression showing that the device was working: Her smile dropped for a fraction of a second before quickly returning, without the girl ever noticing. Now, Rym just needed to test it. “Hey, there’s a crate over there with snacks. Can you bring me a bag of chips?”

“Sure thing, sis!” Mona skipped over to the crate in question, emerging with a bag of “Hella Hott Habanero-Jalapeno” chips, Mona’s favorite brand and flavor. Ordinarily, Mona would be entirely incapable of resisting the siren’s call of spicy snacks, and she’d tear the bag open and swipe a few before handing the bag over. Now, with the MAP active and Rym’s pre-programmed commands in play, Mona couldn’t bring herself to do it. It was obvious that she was considering it, her hands coming close to pulling the bag open, but she never quite made it. Instead, she obediently handed Rym the chips. “Here ya go.”

“Thanks, Momo. Why don’t you go get ready to hang out with your friend?” said Rym, barely containing her excitement. The MAP worked! Now, with her sister incapable of annoying her, she was going to be more productive than ever before. “Who is it, anyway?”

“Only your best friend in the whole wide world!”

Immediately upon hearing the voice, Rym went from “satisfied with her accomplishment” to “pissed off beyond reason”. She recognized who spoke, and she made no effort to hide her scowl as the menace made her way down the stairs and into Rym’s workshop. Rym hated everything about her, from her perfect skin to her smug grin to the almost tangible aura of superiority that followed her everywhere she went.

“Hey there, Waffles,” said Berry Brew, smiling the smug, artificially pleasant smile that haunted Rym’s dreams. “How’s it going?”

“Ew. Get out, I don’t want you here,” growled Rym. “You’re compromising my projects!”

“I didn’t do anything. Yet.”

“No, but I’m afraid you might make me dumber by osmosis.”

“Will you two shelve this stupid rivalry for like two seconds?” complained Mona. She pouted at both her friend and her sister. “I’d like it if you two could get along, at least until we leave.”

“And I’d like for Berry Bitch to choke on her own ego,” snorted Rym. “Looks like we’re both disappointed.”

“Rym Waffles and disappointment. Name a more iconic duo.” Berry seemed to take an almost sexual amount of relish in the way Rym smoldered, but she hid it with a well-natured grin and chuckle. “I’m joking! Lighten up, will you, Waffles? What’s a bit of teasing between friends?”

“It’s ‘Waggles’, and we are not friends. I’m a professional. You’re a parasite.” Rym shook her head at her sister, unable to fathom what Mona saw in a devilish conman like Berry Brew. Berry was the type of person to sell a glass of water and charge extra for ice cubes, anything for a profit. Rym glanced down at her remote, wondering if she had time to slip in a command to make Mona hate Berry as much as she did; Sadly, with Berry in the room, it was an unthinkable risk. “Whatever. You’re a grown-up, you can be friends with whoever you want, Mona. Just keep her out of my workshop.”

“Oh, Waffles, you think so little of me,” sighed Berry, thoroughly unconvincing in her sincerity. She swooned, swaying towards Rym’s workbench; Instinctually, Rym, nudged the remote aside, hoping it wouldn’t be noticed by Berry. “I don’t want to mess up any of your projects. I just want to have some fun with your sister. Which is what I’ll do. Tell you all about it when we get back.”

Berry went to leave, only stopped when Rym grabbed her tightly by the wrist. She tugged the little shrew forward, beaming pure intensity into her rival’s eyes.

“You better not do anything to hurt my sister,” growled Rym. Berry didn’t match Rym’s energy, never once losing that smug grin of hers.

“Wouldn’t dream of it, Waffles,” whispered Berry. “I’ll leave that to the professionals.”

There was a crash and thud, several boxes of spare parts hitting the ground and scattering gears and screws all over the floor. Rym jumped up, jerking her head across the workshop to see Mona standing on a chair and reaching for the high shelf that formerly held that box of scrap. In her hand was the “broken” cell phone that she had tasked Rym with “fixing”, and on her face was a sheepish, somewhat embarrassed smile.

“Whoopsie…” Mona pocketed the phone, jumping down as Rym approached. “Uh… I’ll help clean this up. Sorry, Rymmy…”

“Don’t… I’ve got it,” sighed Rym, shaking her head. “What happened? You’re not normally this clumsy.”

“I dunno. My head feels kinda fuzzy, I think it’s cause I’m so hungry. I could really use some chips…”

“What about these?” offered Berry, raising Rym’s opened, but so far untouched, chips and giving them a little shake.

“No can do, Berry, those are Rym’s chips,” said Mona with a nod. “I’m not allowed to eat those.”

“Oh well.” Berry shrugged, shoving a fistful of Rym’s chips into her mouth. “More for me.”

“Don’t you have potions to mix? Or maybe a baby to steal?” said Rym, rolling her eyes. “Why don’t you two go get lunch or whatever it is you planned to do while I clean up in here? I need to work on some stuff anyhow…”

“Well, if you’re sure… Come on, Berry, let’s make like a banana and split.”

Mona gestured for her friend to follow and, to Rym’s surprise, Berry left without much fuss. Rym watched them leave for a bit before stooping down and gathering up her bits of scrap and junk, overall satisfied with her day. The MAP seemed to be working, albeit in need of a few additional “don’t drop my stuff” commands, and seemed free of side effects. Mona’s complaint of feeling fuzzy wasn’t altogether unsurprising, considering what the MAP was designed to do, and even though Rym had her sacred workshop desecrated by the presence of her nemesis, at least Berry left quietly.

Too quietly.

“What’d that bitch do?” Rym jumped up and returned to her desk, looking over her various gizmos and gadgets, eyes peeled for sabotage. After a few minutes of looking, she confirmed that there was nothing wrong with any of the devices. Then, all of a sudden, her stomach turned as it occurred to her that she shouldn’t be worried about what was on her work table.

She should be worried about what wasn’t on her work table.

“Oh no. No, no, no!” shouted Rym, all but turning her table over as she searched. “The remote!”

Rym scrambled for the stairs, but it was too late; By the time she reached the door, she heard the screech of Berry’s tires as her car pulled off. And, as Rym didn’t drive, she had next to no chance of catching up to the little snake that stole her remote, assuming she could even find her. Mona didn’t mention their destination, and Rym was unlikely to have been listening if she had anyway.

“This is bad,” groaned Rym, burying her face in her palms. “If Mona finds out, she’s gonna flip, and that’s only if Berry Bitch doesn’t use the remote first…”

She shook herself firmly, steeling her resolve. Not again. She swore to never let her sister get hurt by her inventions again, and she wasn’t about to go back on that now. Especially not when Berry was involved. Rym let out a little snarl as she hurried to her feet, racing up the stairs and out the door.

Rym wasn’t sure how, but she was going to find Berry, get her remote back, and put an end to this nightmare before it was too late.

Over two hours of chasing, and Rym had come up short.

The mall, the local burger joint, all of Mona’s usual hangout spots, all came up empty. And, as there weren’t any witch covens in the area that she knew of, there weren’t any leads on where Berry could have gone, either. Thoroughly defeated, Rym had no choice but to drag herself back home to regroup, and perhaps come up with a different plan.

To her surprise, as she sulked up to her doorstep, she noticed Berry’s car parked outside. They must have come home early, which was good news for Rym. Now, she had them cornered. Maybe, if she was quick, she could get her remote back before Berry figured out how to work it. Rym hurried to her door, scrambling in her pockets to find her key. Before she could produce it, however, the door opened, with the devil herself standing on the other side.

"Oh hey, Waffles." Berry smiled in a way that might convince as genuine, if you didn't know her any better. "Where have you been?"

"Give it back, Berry. Now," demanded Rym. "It's fine if you hate me, but you stole my stuff, and that's not okay."

"Hm? You mean this?" With an innocent little hum of curiosity, Berry pulled the MAP's remote from her pocket. "I didn't steal it. Just borrowed it. I wanted to see if I could figure out how it worked."

"Is that right? Let me guess, you couldn't turn it on, so now you're gonna toss it in the trash or something just to annoy me."

"Oh, Waffles, please. I'm gonna do a whole lot more with it to annoy you." After slipping the remote into her pocket, Berry stepped to the side and gestured into the home. "Come on in. Momo is waiting for us in the living room."

Rym didn't enjoy the way that she was invited into her own living room, but there were more important things to worry about at the moment. Right then, as Rym followed Berry into the home, her mind was focused on one thing and one thing only: Getting that remote back. Her planning and devilish machinations for revenge were halted dead in their tracks when the pair spilled into the living room, where Mona was awaiting, just as Berry said.

"Hey, Rymmy! You'll never guess what happened!" said Mona ecstatically. “Berry asked me out, we’re dating now! Isn’t that cool?”

“What the hell are you wearing?!” demanded Rym, her mouth hanging slack from the shock and horror of her sister’s new outfit. Mona was sitting on the floor, in a sheer, pale blue babydoll nightie, the fabric of the garment transparent enough that one could easily see the frilly lace of her bra and panties. The new undergarments hugged her tightly, filling out her every curve in a display that was closer to a camgirl’s outfit than something one would wear around their older sister.

“You like it? Berry got it for me!” Mona hopped up from her seated position and gave a little twirl, flaring her nightgown up to reveal even more of her body. “That was really nice of her, right?”

“Show her what else I got you,” said Berry with a smirk. Mona nodded eagerly, then spun on her heel to face away from Rym. Unable to see the horror on her big sister’s face, Mona bended herself over, hiked up her nightie, and tugged her panties to the side. She spread herself without shame or reservation, showing Rym the large, diamond buttplug she now wore. “I think it fits her style to a T.”

“Berry, I swear to God, you better fix this,” snarled Rym through gritted teeth. She turned to her rival, beaming pure fury and disdain. “Turn her back right now.”

“Shh. She doesn’t know I did anything, and that’s how we wanna keep it. Right, Waffles?” Berry leaned in, responding to Rym’s venomous glare with a grin and a laugh. “If she found out, she might ask some uncomfortable questions. You wouldn’t want her to know that you used a faulty gadget on her. Again.”

As much as it burned her to admit it, Rym knew in her heart that Berry was, unfortunately, right. If Mona didn’t know that the MAP was making her do this, there was still hope. The moment she learned that Rym was behind it, things would start to unravel, and that was something Rym didn’t want in the slightest. So, even though she was certain that Berry was playing her, no doubt for a few cheap laughs, Rym decided to bite her tongue. For now, all she could do was sit and lie in wait, looking for an opportune moment to strike back at her nemesis.

“What’re you guys talking about?” asked Mona, still bent over and exposing herself. “Can I stand up now, Berry? My back is starting to hurt.”

“Sure thing, Mona. In fact, we were just talking about you. Rym and I think you should call me Mistress from now on.” Berry smiled evilly as she raised the MAP’s remote and input a few commands. Mona’s head twitched slightly as the device activated, implanting the new command and altering her mind. “How’s that sound?”

“Sounds good to me, Mistress!” Mona straightened herself up, turning back to face her “friend” and her sister. “Good thinking, you guys.”

“You know, I’m never going to forgive you for this,” whispered Rym. “As soon as I’m done fixing this mess, I’m gonna—”

“Yeah, I’m sure. You’ll rain down hell on me, make me wish I wasn’t born, yadda yadda yadda,” yawned Berry. She moved past Rym, falling back onto the couch she formerly occupied. There was a devious glint in her eyes, and she looked to Rym before uttering her next command. “Mona, come here for a sec. On your knees, now.”

“Okay, Mistress!” said Mona, blissfully unaware as to how strange, how wrong all of this was. As far as Rym knew, her sister didn’t even like girls, and now she was calling this weaselly little shrew ‘mistress’ and obeying her every word. She sat on her knees in front of Mona, back straight and eyes looking up at her new Mistress eagerly.

“Like a cute little puppy. I didn’t even have to tell you that part.” Berry glanced up to Rym and grinned. “You take to being my bitch really well. Must be in your nature.”

“Thanks, Mistress. You’re very—”

Before Mona could finish adulating her Mistress, Berry forced a thumb into her mouth, prying it open. She didn’t ever look at Mona, her eyes trained on Rym as she leaned in slowly, letting her mouth hang open above Mona’s. Berry’s tongue lolled out and slowly, a thin string of saliva dripped down, dangling from her mouth to Mona’s. Rym fumed with anger, which seemed to be the exact reaction Berry was after; The witch savored every furious twitch of Rym’s jaw for about a second longer before she tilted her head back and harshly spat a gob of saliva right down Mona’s throat.

“Don’t forget your manners, puppy,” said Berry, still not taking her eyes off of her nemesis. Rym stood in place, shocked, appalled, disgusted, as her sister happily, almost greedily gulped down her mouthful of spit and smiled.

“Thanks, Mistress!” she said. “That’s so generous of you. I gotta pay you back somehow.”

“Oh, about that…” Berry grinned, spreading her legs just enough to make her implications crystal clear. “I may have some ideas…”

“Alright. You had your fun. Now get out of my house," snarled Rym. It took every ounce of restraint in her body to refrain from slapping Berry right then and there, and her only comfort came from thoughts of how she would get her revenge. "I hope you're happy, Berry, because this isn't going to last. I'll get you back for this."

"I look forward to it, Waffles. Until then…" Berry stood up and whistled sharply, the way one would to beckon a dog. "C'mon, Mona. You're coming home with me tonight."

"M'kay. See you tomorrow, sis!” Mona leapt to her feet and joined her new “girlfriend’s” side, hooking her arm around Berry’s. “You think you can spit in my mouth more when we get to your house, Mistress? That was really cool!”

“Only if you’re a good little puppy bitch. See you around, Waffles!” Berry smiled and waved, leading Mona away. “I’m gonna go fuck your little sister now!”

Rym smoldered as Berry took Mona away, angry with herself most of all. This was all her doing, and unless she did something, she was going to be responsible for her sister getting hurt once again. Luckily, she still had the schematics for the MAP, so it was entirely within the realm of possibility that she could create some sort of device to counter it. Her anger became quiet, steady resolve, and her mind began to race with possibilities. Even amongst the strategies and inspirations, one thought echoed throughout her mind louder than anything.

“God, I hate that bitch…”

Mona’s head was light and floaty, and it was borderline impossible to focus on anything for any extended period of time, with the exception to this rule seeming to be Berry Brew. Mona felt like she could think about Berry for hours, hear her voice in her head, taste the witch’s spit on her tongue. She thought about Berry so much, and with so much excitement, that it felt almost as if it was someone else’s thoughts. Someone else’s excitement. Like she was being forced to think this way.

But that didn’t add up. Berry called Mona a puppy, and why wouldn’t a puppy be excited to go home with its Mistress? That just makes sense.

“I’m sorry you and Rym don’t get along,” said Mona as Berry led her forward to the potion master’s home. The door was just a few paces away, and Mona jittered more and more the closer they got to it. “She can be a bit stiff and frustrating, but I bet if you two just got to know each other a bit more, you’d—”

“Shut up. Puppies don’t talk this much,” said Berry. Her voice had lost some of its faux-polite edge, her facade slipping somewhat now that she wasn’t in the premise of her nemesis. “Puppies just bark. Understand me?”

“Arf! Arf!” Mona nodded eagerly as she barked, her mind going fuzzy. At first, she couldn’t imagine what had compelled her to respond like that. Yet, the longer she thought on it, and the fuzzier her mind went, it began to make more sense. She was a puppy, and puppies bark. What else was she supposed to do? “Woof! Woof!”

“Good bitch.” Berry pushed her front door open and dragged Mona inside of the house, closing the door behind them. The lights came on, illuminating Berry’s hovel. It was a small abode, but with two levels; the top level was where Berry did all of her potion mixing and alchemical experiments, whereas the ground floor was her living area. There was a small kitchenette and a bathroom to the left, and a little sleeping area with a bed to the right. “As long as you’re in my house, you’re gonna crawl on all fours.”

“Yes, Mistress! Arf!” Mona immediately dropped to her hands and knees, crawling beside her mistress on their way to the bed. Berry dropped onto the mattress, and Mona stood at her feet. She leaned in and, through some compulsion she had no explanation for, she sniffed at Berry’s legs. A faint, fruity scent perfumed her nose, which compelled Mona to sniff once again, this time letting a little moan escape her. “Mmm… You smell nice, Mistress.”

“That so? Well, let’s give you a whiff.” Berry undid the buckle to her pants and tore them off, leaving her in just her cherry red panties. There was a visible wet spot at the front, signs of Berry’s arousal. Whether she was more turned on from having a beautiful girl on her knees before her, or from mentally torturing her long standing rival, remained to be seen. “Go on, puppy bitch. Get a sniff.”

Mona eagerly pounced onto Berry’s lap, burying her nose between the alchemist’s legs. There was something so exhilarating, so pleasurable about just sniffing at Berry’s panties. Mona’s head was already swimming, and the powerful aroma only served to exacerbate that sensation. Mona couldn’t think straight, but she preferred this dizzy, light-headed sensation to complicated, coherent thoughts anyway. She rubbed her thighs together, slipping a hand under her nightie to tease at her clit while she sniffed her Mistress.

Without a word of warning, Berry pushed Mona back with her foot, sending her onto her butt with a thud. While the puppy recovered, her Mistress reached up and pulled down her panties. Berry grabbed Mona by the hair and yanked her closer, holding her in place for a moment before taking the wet panties and pulling them over Mona’s head. This positioned the crotch of the undergarments in front of Mona’s face, forcing her mouth and nose against the wet spot in the cloth.

“There we go. That’s a good look for you,” said Berry with a smirk. She bent over to get under her bed, returning with a box that she placed atop her mattress. “You look almost as stupid as your sister.”

“Mmm… Thank you, Mistress…” Mona moaned around Berry’s panties, her vision so blurry that she almost didn’t notice her Mistress produce a magic wand vibrator from her box of toys. “What’s that for, Mistress Berry?”

“Get on the bed and spread your legs,” commanded Berry. Mona obediently clambered onto the bed and, just as she had been ordered, spread her legs for her new owner. Her cunt ached for her Mistress’ touch, her slit dripping with anticipation. “You don’t get to cum until I tell you to. Tonight is about my pleasure, you’re just here to amuse me.”

“Yes, Mistress Berry,” said Mona through gritted teeth. She felt as if she could faint, and she loved every second of it. The haze of Berry’s aroma, and the anticipation of what her Mistress would do, threatened to drive Mona mad with desire. That anticipation rose as Berry shimmied closer with her own legs spread, scissoring themselves together until there was just a small space between them. Berry smirked and slid the magic wand in that space, until it was pressing snugly against both of their pussies, and turned the toy on.

The vibrator gently growled as it turned on, immediately sending buzzing, trembling waves of pleasure throughout both Mona and her Mistress. Immediately, Mona let out a quivering whimper, which clearly amused her Mistress; Berry advanced forward, pressing the toy firmly against Mona’s clit. She pulled back on Mona’s silvery-pink hair, pinning her down to the mattress so that she had even more control over her new pet.

“Feels good, doesn’t it?” purred Berry, pressing herself against her toy and firmly sandwiching it between herself and Mona. Mona nodded eagerly, wiggling her hips and grinding against the buzzing vibrator between them. “Just imagine if your sister could see you now. She’d probably have a heart attack, she’s such a boring, prudeish, stuck-up little bitch! I can’t wait to tell her about tonight. How good it felt to fuck her little sister…”

Berry pulled the panties up to expose Mona’s mouth, then slipped her thumb past Mona’s lips and pried her maw open. She spat a jet of saliva directly onto Mona’s tongue, then added more and more fingers into her mouth, until Mona was gagging around Berry’s entire hand. Mona moaned around Berry’s hand, sucking on her fingers as some sort of thanks to her Mistress for blessing her with this attention, this pleasure. Berry pulled her hand away, taking a moment to admire the way Mona seemed to silently beg for more, and gave her pet a sharp slap across the face.

“Mistress!” Mona rubbed her face gingerly, but the blush that tinged her cheeks and the river that ran between her legs served as evidence that she wasn’t against such violence. “Thank you…”

“Maybe I’m too hard on Waffles. I should thank her, really,” snorted Berry. Her breath hitched slightly, the heat between her and Mona blossoming with each movement of her hips grinding herself against the buzzing magic wand. “I only ever started to hang around with you to annoy her, and now… She basically gave me a new fucktoy, just wrapped your empty head in a pretty little bow. We’ll have to tell her how much we appreciate her for bringing us together.”

“Fuck… Mistress, I’m close,” whined Mona. “Please…”

“Oh, you want to cum? Beg for it.” Berry slapped Mona again, snickering at the way she whimpered in both pain and pleasure. “Be a good little puppy and beg, and maybe I’ll give you a treat.”

“Please, Mistress, please make your pet cum…” Mona panted, her tongue hanging from her mouth to give her an appearance that greatly complimented her new status as a pet. “I’ve been such a good puppy today… Give me a treat, please…”

“Oh, Momo… You sad, pathetic little thing,” cooed Berry. She bit her lip, unable to deny herself any longer; She needed release just as badly as Mona did. “Mistress cums first. Then you get your treat.”

With an enthusiastic nod, Mona did all she could to pleasure her Mistress; She worked her hips faster, working her cunt against both the toy and Berry’s own pussy, moaning all the while. Each pitiful yelp and submissive moan seemed to set Berry off, sending another shiver of sick satisfaction down her spine. Sharing a toy with an attractive woman was good enough, but to have the chance to humiliate and abuse her rival’s sweet, innocent, loving sister brought the experience to a whole other level. And to think, this was just the beginning. Soon, she’d be able to flaunt her pet all over, ruining Rym’s life even further.

“Oh, fuck!” Berry let out a strained hiss, jerking her hips against her toy as she came. She rode the wave of the vibrations, shaking Mona, and in fact the entire bed, with the force of her orgasm. She bit her lip, forcing her pet to wait a bit longer before finally, mercifully, she gave Mona the order. “Cum for Mistress, puppy!”

Mona wailed in delight, her legs locking up as she quivered with pleasure. The vibrations, the smell of Berry’s panties, the spitting, the slapping, it rocked Mona to the core, just the way she had been programmed to. Even as her orgasm crashed onto her, Berry kept the pressure up, keeping the toy buzzing against her clit until another wave of pleasure flooded her. Even as Berry pulled the toy away, Mona still came, her cunt gushing sweet nectar down her smooth thighs until Berry nudged her over the side of the bed with her foot. It wasn’t until Mona hit the ground did her trembling slow down to a stop, her entire body still save for the heavy rise and fall of her chest in time with her labored breaths.

“Pets sleep on the floor, not in bed with their Mistress,” yawned Berry. She stretched her arms over her head before turning over on her side and curling up with her blanket. “Speaking of bed, I’m going to get some sleep. If you wake up before me, you can help yourself to some breakfast and eat my pussy.”

Without another word, Berry Brew got all cozy in her bed and quickly found sleep. She was so satisfied with her devious little scheme that she felt nothing but serenity as she dozed off. She didn’t care to check on Mona, to ensure that she was comfortable or satisfied. It didn’t matter. Mona was just a toy to her, a tool to get one over on Rym Waggles.

If only she had checked, then she would have noticed the slight smell of acrid smoke that filled the room as Mona slowly sat up, clutching her head.

“What the heck?” groaned Mona, pulling the panties from her head and scratching at an itch on the back of her neck. Strangely, her fingers hit not flesh, but something that felt almost like a bandage; She peeled the adhesive off and examined it, the various nodes and wires on the patch all but giving it away as a piece of her sister’s technology. She scrambled around in search of her phone, hoping to get some answers soon. “Rymmy… You and I need to talk…”

Beams of sunlight danced through the window, the soft warmth of the morning sun gently rousing Berry from her slumber. She didn’t open her eyes just yet, her body too heavy to even toss and turn. The night before had really done a number on her, it would seem. And yet, despite how tired she felt, she couldn’t help but notice that there was no tongue currently in her snatch, which didn’t seem right. Mona must have still been sleeping.

“Wake up, Mistress.”

Berry’s eyes opened without any conscious thought on her part and, before she knew what was happening, she was sitting up in bed. Beside her was her pet, arms crossed over her chest and scowling at her “Mistress”. Berry was confused, but had no response, not a word that could leave her lips. Then, slowly, Mona unfolded her arms, revealing what she held in her right hand: The remote to the MAP.

“Look what I found,” said Mona with a huff. Berry’s eyes went wide, and she tried to make a mad grab for the device; She couldn’t seem to move more than a few inches at a time, certainly not enough to snatch the remote from Mona. “You know, when I texted Rym and told her what happened, she told me to come home with the remote so she could destroy it. But, you know, I thought that since you showed me such a good time last night… Crawl with me, puppy.”

Berry’s body moved on its own, and she turned over to her hands and knees, just as she had made Mona do the night before. She slowly, begrudgingly crawled to Mona’s side, looking up at her new Mistress. Berry scowled, her frown only growing more irate when Mona leaned down and spit into Berry’s eyes.

“Th-thank you, Mistress,” snarled Berry through gritted teeth. Mona chuckled darkly, then turned for the door, with her newly loyal pet by her side. “What are you doing? Where are you taking me?”

“Don’t you worry about that, Berry Bitch,” said Mona, petting her new puppy atop the head. “You and I are going to have some fun…”