Chapter Text
Dipper followed Mabel's gaze to find Pacifica strutting through middle of the dance floor, flanked by her usual cronies. His eyes nearly popped out of his head as soon as he got a better look at them. Pacifica was wearing... nothing. Well she was wearing something, but it really was nothing! From head to toe, the only thing affording Pacifica any modesty at all were thin strips of black tape, strategically arranged to make fanciful geometric patterns across her otherwise bare skin. Dipper's eyes immediately honed in on her chest, which were each covered by a single vertical strip of tape going down the center of each breast, strategically covering her nipples, before connecting to horizontal set just below her breasts that seemed to mimic the support of a bra. Tracing down from that, Pacifica's abdomen was completely bare, framed by tape running down vertically along her hips. As his gaze reached the base of her torso, his mouth watered in awe at the sight: A trail of three small black squares formed a happy trail, leading down to her pelvis, which was also only concealed by a few strips of tape designed to look like low-rise underwear. Dipper wasn't the only one awed by the sight he realized as Mabel sprang forward.
"OMG Pacifica," Mabel shouted ecstatically as she dragged Dipper across the room at breakneck speed. "I can't believe you're here too!" Pacifica eyed Mabel over momentarily before scoffing.
"Same to you," she shrugged her shoulders haughtily. "I guess they'll just let anyone in here these days." A murmur of snickers issued from behind Pacifica, but Mabel didn't seem to notice.
"Oh no! I had to be super, duper sneaky to get--" Dipper slapped his hand around Mabel's mouth as quickly as possible without hurting her. The last thing either of them needed right now was Pacifica Northwest of all people to know that they had each gotten into the rave under false pretenses. Pacifica was about the same age as both of them, so it still begged the question how she got in, but better not to show any weakness to a shark like her. Unfortunately his intervention seemed to have drawn Pacifica's attention.
"And who's this? Finally run out of boys to chase so you're moving onto dogs?"
"Thzz uzz muh noo frenn Fwupper," Mabel's tongue slathered against Dipper's hand as she tried to answer Pacifica, seemingly unaware that he was still covering her mouth. Dipper was willing to endure that to stop this conversation, but a quick nip from his sister sent his hand flying as he shook off the pain. "Not so fun to get bit, is it, Pupper," Mabel giggled.
"Eww! Can you guys believe these two," Pacifica asked over her shoulder, eliciting a slew of mean-spirited laughter. Dipper groaned, turning his attention towards Pacific's two flunkies who now flanked her on either side. They were both dressed in similar, but far less daring, versions of Pacifica's outfit that seemed to more closely resembled one-piece swimsuits made out of black tape, rather than the elaborate patterns Pacifica displayed.
"Oh my gosh, you're all so pretty too! And check it out," Mabel puffed out her chest to show off the little black X's of tape covering her nipples. "We're all totally matching!"
"As if," Pacifica scoffed in a disgust. "My ensemble was created by a leading fashion designer in the industry. It took my maid over 5 hours to apply each piece correctly to create the full effect, though it would've been faster if she hadn't kept complaining about her arthritis. Your little micro-tit pasties on the other hand look like they came out of a cereal box."
"Hey! I'll have you know Dipper spent a very long time making sure my little X's were just right!"
"WHAT!? You had your own brother help you put on your dime store pasties? What kind of freak show are you two running over there?" Pacifica turned to her entourage with a smirk. "The real mystery of the Mystery Shack must be how far back the incest train goes, right?" There was an awkward pause before Pacifica shot a mean glare at her 'friends' and they realized that they should start laughing. Dipper felt ashamed, knowing exactly how right Pacifica was. He looked to Mabel and saw that she was shaking too, on the verge of tears, and he wanted nothing more than to stand up for his sister and tell that snooty princess off. But, if she found out it was him under that mask, it would only make things a hundred times worse, he thought as he gripped his fists in shame. If only he were braver he would--
"RAAARGH!!!" Dipper jumped to attention at the loud snarl, flinching reflexively, before realizing he wasn't the one in danger.
"The hell!? Get off," Pacifica shouted as Mabel lunged at her, yanking Pacifica's hair with both hands.
"Not until you take it back!"
"Ugh-Take what back you psycho!?"
"My X's are not dumb! They're super cute and Dipper did a good job on them!"
"In your dreams!" Pacifica said. grabbing at Mabel's hair now. The two of them quickly became wrapped up in a tornado of hair pulling and shrieking that roiled around the dance floor. Dipper panicked as he watched the scene unfold but had no idea what he should do. "Would you two get her off of me," Pacifica shouted at her friends.
The two exchanged nervous glances and moved towards the fight, but Dipper interceded them, jumping in front and waving his arms around awkwardly like he was fending off a bear attack. The two girls recoiled in horror at the sight, another unpleasant reminder to Dipper at how ridiculous he must look. The one with magenta hair whispered something to the other one, and not a second later the two of them had turned tail and disappeared completely into the crowd, abandoning their would-be boss to Mabel's attacks. Dipper let out a sigh of relief that at least he wouldn't have to worry about his sister getting ganged up on by three girls, though he still didn't have a solution to the current one on one.
Looking back, Mabel and Pacifica's fight hadn't eased up one bit; if anything, they were only ramping up on each other. The relatively mild hair pulling and shoving had escalated into a full on grappling match between them. Having been on the receiving end of Mabel's wrestling before, Dipper almost pitied Pacifica as he saw Mabel wrap her into a headlock and start giving her a noogie, at least until Pacifica made her next move.
"If you don't--OWW--let go," Pacifica growled while pinching one of Mabel's nipples. "Then I'm ripping this tape off!" She wouldn't, Dipper thought. A smug look flashed across Pacifica's face as Mabel released her grip on the other girl's head, but it lasted only moments as Mabel turned her iron clad grip onto Pacifica's chest tape as well.
"If I'm going-Owww--down," she shouted, drawing even more attention to the scene unfolding than there already was. "Then you're going down too!" Both girls stared each other down, so close their faces were almost touching, neither about to back down as more and more onlookers started to turn their heads and tune into what was happening. Murmurs of a cat fight started spreading around Dipper, just barely audible over the thumping of the music. The thought of all these people seeing Mabel's bare chest was starting to make Dipper panic, so he did the only thing he could think of.
"What the hell!?" Pacifica looked back in anger as Dipper yanked her wrists behind her to protect his sister's dignity. Thank God he spent so long making sure those pasties were on there tightly! "Let go of me you furry trash!"
"No Pupper," Mabel exclaimed while raising her right hand menacingly in front of her face. "Hold her right there!"
"What are you--gah!" Pacifica's struggling turned into squirming as Mabel dove forward, her nimble fingers fondling their way all across Pacifica's tape covered body. "This is-ha-ha-ha-ssault," Pacifica managed to spit out mid-laugh. Apparently the princess had a very ticklish stomach. As she continued to pull against Dipper's restraint, he wondered if he should keep holding her back. He had only meant to break up the two fighting at first, but at this point it was just Mabel taking full advantage of the nearly naked girl with Dipper's help in front of everyone. Maybe he should let her go....
"Now for the main event," Mabel said, her hands recoiling back for the next strike, poised at shoulder level.
"Don't you dare!" But she dared. Mabel's hands lurched forward, clasping vigorously onto Pacifica's budding breasts once more. This time however, Mabel kneaded at them with alarming alacrity, pulling up and down, straining the adhesion of Pacifica's tape without removing it, eliciting barely restrained moans from her opponent. "Mmmph, I'll get you back--uhn-- for this."
"Hmm, how come," Mabel pouted. "Why can't we just be friends for once?"
"Like I would ever be friends with a freak like y--" Pacifica's eyes widened as her sentence was cut short by Mabel's lightning quick tongue darting forward. She played the best defense she could muster, but it was useless against Mabel's blitz, the sounds of struggle and resistance giving way to a more amenable squelches and sighs as their lips intermingled. A round of oooh's and ahhh's began issuing from the surrounding crowd of onlookers leaving Dipper wishing he were in a position where he could get a good view of the action too.
Just as he was bemoaning his circumstances though, Dipper noticed something brushing up against him in rhythmic fashion. It didn't take long for him to figure out it was Pacifica, or rather, his sister that was pressing into Pacifica so strongly that it rocked the girl backwards into Dipper's body. Even better yet, their heights were just so that Pacifica's perfect and barely taped up bottom was making direct contact with his slumbering bulge. The rocking motions quickly began stirring his member to action, forcing it to swell and expand against her pliable rear. All the while, Mabel continued to passionately force her tongue down Pacifica's throat, her head bobbing and moving to keep their lips latched together, little gasps and moans escaping from between them as Pacifica continued her waning resistance. As Pacifica relented and relinquished herself to Mabel though, her rocking slowed and Dipper's already aggravated member found itself craving more. If she wasn't rocking against him enough, he'd have to take matters into his own hips.
"Guh," Pacifica breathed as Mabel broke away for breath. "Is he... are you...?" Dipper didn't even care that she had taken notice, he just kept pumping. His periscoping dick slid up and down Pacifica's firm butt cheeks like a credit card with a bad strip and his patience was long overdrawn.
"Hehe," Mabel smirked. "That just means he really, really likes you. And so do I." Mabel leaned in again, planting a wet kiss on Pacifica's cheek that turned into a sloppy lick, coating the rich girl's face in saliva, tracing her away down to her collarbone. It didn't stop there though, with Mabel dropped to her knees, nuzzling her nose against Pacifica's crotch tape, as her hands running all along her legs.
All the while, Dipper had not stopped grinding himself between Pacifica's cheeks. His shaft had almost completely broken free of his shorts and was rubbing roughly against the black tape thong that against all odds held itself firmly in place.
Mabel's hand moved up the interior of Pacifica's thigh, her lips kissing at the exposed skin around the tape. As her hand reached its destination, she slid it back along the tape, eliciting a quiver from the girl as she passed by. He was moving so fast that that he didn't notice it at first, but after slowing down for half a second, Mabel was able to wrap her slender fingers around his dick.
He froze. He had already been focusing on nothing but the feeling between his legs, and now still as a statue, he felt as Mabel pulled his cock free of his underwear, hand gently caressing it from base to tip.
"Wow," Mabel breathed, cheek pressed against Pacifica's tape. "It's soooooo warm." She gripped tighter, rocking her hand up and down in short, slow strokes as she pulled it towards her. Pacifica jerked in Dipper's grasp jarring him back to attention as he realized he was still holding the girl against her will from behind.
"What the hell is that thing!?" Dipper felt Pacifica's legs clamp shut around his dick, her soft thighs feeling cool against the raging heat coming off his member.
"Pupper got really excited," Mabel giggled. "Hey look, Pacifica. It kinda looks like it's your red rocket that I'm playing with."
"Stop it you... you... idiot," Pacifica squirmed again, though this time, it felt less like she was trying to break free and more like she was trying to cover herself. "They're starting to take pictures." Dipper's ears perked up so fast he thought he might actually be becoming a dog. His alertness only confirmed what Pacifica had said as he was immediately aware of the flashing lights snapping in a circle around the three of them. In the heat of the moment Dipper had forgotten about the crowd that had started forming back when Mabel and Pacifica were just pulling at each other's hair, and by now it had grown even larger. An arsenal of camera phones had taken aim at the three teens, their recording lights burning almost as red as Pacifica's face. Suddenly Dipper wasn't feeling the warmth of Pacifica's thighs, or even the wetness of Mabel's tongue exploring his member, instead he just felt a cold breeze passing over far too much of his body.
"Mabel, maybe we should--YIPE!!!" Dipper thrust his legs forward as Mabel nommed onto his penis like it was a lollipop, her tongue rolling over the head, and teeth brushing against the tender skin in between sucks. He needed to focus, things were getting way too out of hand way too fast. Out of hand... Dipper flexed his fingers, realizing that he was no longer holding tight to Pacifica's wrists. He must've let go when Mabel started--uoooOOHHH, his concentration broke off as Mabel's teeth grazed over him again, the squelching coming from her mouth intensifying.
A new sensation pressed hard onto his shaft as he felt fingertips wrapping around his own wrists, but they weren't Mabel's. Pacifica guided his shaking hands straight to her tape covered breasts. Through the mask lens, he caught sight of Pacifica's face, her cheeks had gone fully scarlet, and though she had been asking Mabel to stop, her eyes looked back at Dipper pleading for him to go on. He needed no further incentive. The tape crinkled under his palms as he dug into her budding chest, her erect nipples just begging to be set free. Like an animal he ripped the obstructing tape off, Pacifica letting out a desperate gasp as he did, her thighs and lower lips grinding wetly against his shaft as Mabel flicked her tongue playfully at his tip. The crowd cheered at the sight, but Dipper couldn't care less about them anymore.
Never in his wildest of dreams would he have thought that the first pair of breasts he felt would belong to Pacifica Northwest. Well, aside from his sister's that is, but that had just been business, this was play. With a breast in each hand, Dipper alternated between tenderly massaging them and then pulling harshly with his thumb and forefinger gripped around her nipples. She moaned and gyrated in response, the tape around her crotch coming loose under the intense rubbing of her pussy on him. Mabel pushed Dipper's dick deeper into her mouth, pressing forward so that her lips and nose rubbed up against Pacifica's increasing exposed clitoris. All the while, her tongue never stopped, slurping up all around his dick, alternating between clockwise and counterclockwise fashion.
Dipper winced, squeezing Pacifica's chest burying his face in the crook of her neck. The sensation was getting too much for him to handle. At this rate he'd definitely---
His mask shifted, and a pair of wet lips started sucking at his now exposed neck. "Just cum already," Pacifica panted. "Just shoot it down her little slut throat and end this you stupid mutt." Dipper's back arched, his shaft dragging against Mabel's teeth as he pushed to the back of her throat. She gagged as the tip of his dick was suckered by the small opening in the back of her mouth. He didn't bother thrusting anymore, instead he just stood there, hanging onto Pacifica's chest for dear life as she necked him, feeling it build up inside of him as Mabel continued to gag without backing off.
"Guh," he breathed, not even having time to give a warning. He jerked back, his cum firing off in thick spurts inside of Mabel's mouth, his balls tightening with every shot. Heaven, this is what heaven must feel like, he thought as every muscle in his body went loose at once. Stumbling backwards, he pulled his still twitching member free, a cold breeze passing over it as it left the warmth of his sister's mouth. Without Dipper to support her, Pacifica collapsed to the floor panting heavily, her shoulders hanging low in complete defeat. Mabel on the other hand was smiling, her mouth still held open so that everyone could see Dipper's cum pooling on her tongue. As soon as her glossy eyes locked onto Pacifica who was now at eye level with her, she leaned forward and pressed her lips up against the breathless beauty's. Pacifica's eyes snapped open as Mabel started forcing her cum covered tongue forward, but she made no move to struggle or resist anymore, instead returning the sensual efforts of the other girl as best she could. Only spilling drops here and there, the two frenemies worked their tongues against each other, sending his spunk back and forth between each other's mouths.
Dipper wavered on his feet, too tired to even feel guilty for enjoying the sight. His dick twitched, the last string of cum that Mabel hadn't sucked clean dangled precariously as his manhood shrunk back down, the waistband of his underwear finally having the leverage it needed to plop his shaft back up against his stomach. That was... intense, he thought as he tucked his dick the rest of the way back into his underwear.
A rough hand grabbed Dipper by the shoulder and shoved him aside. "Alright buddy, outta the way." Snapping to his senses, Dipper realized that the crowd surrounding them was no longer content with watching, and had begun to advance upon Mabel and Pacifica. Neither girl had yet taken notice of the change in the atmosphere, and were blissfully unaware of the encroaching danger.
"Hey, get away from them," Dipper shouted, jumping in front of them. The men easily pushed him aside though, pausing only to scowl at him.
"Lay off man," one of them said.
"Yeah, you already had your turn," another agreed.
"Dammit," Dipper grit his teeth. It was his job to protect his sister (and Pacifica too he guessed) and he wasn't about to give up that easily. Getting back to his feet, he continued to jump and attack at the men grouping around the girls. Even doing everything in his power to slow their advance though, it proved ineffective against their numbers and their towering statures. This is no good, he thought frantically. How am I going to stop this? Think man! In between the bodies moving forward, Dipper caught sight of the girls' faces. They had finally taken notice of the situation, Mabel looking around in a confused daze while Pacifica's eyes widened in terror. No other choice, he had to fight dirty.
Dipper backed up a step, and then ran full speed at the nearest man from behind. He let out a pained yelp as Dipper's foot slammed up into the man's groin, before dropping to the ground clutching himself in pain.
"How you like that!?" Dipper pumped his fist in success. One down and... too many more to go. He had to pick up the pace! "How about another!" Charging up for the second attack, Dipper was caught short of his goal as one of the men swung around and backhanded him across the face so hard his mask spun around. After taking a moment to right it and catch his breath, he looked up to see three of the men had broken away from the group and were looming over him. "Umm... or we could all just go our separate ways and call it a day?" They were not amused.
"He is really ruining the vibe," one of them said.
"One of us should take him out back and teach him a lesson," another one said.
"Not it! No way I'm losing my spot in line," the third said adjusting his belt.
"Hey, get off of me!" Dipper spun to see Pacifica fighting off a guy who was grabbing her now. Mabel was also being grabbed by the face, her cheeks squished together as some big hairy guy was trying to kiss her. Dipper jumped to his feet and was immediately shoved back down.
"Nah," the first guy said. "I don't think we have to get out of line. Let's just kick his ass right here and be done with it." Dipper struggled to get back up, but a kick to his side sent shivers through him.
"Sounds good to me," another one said. "Not like anyone's gonna stop us." He raised his foot up for a stomp. Dipper reflexively shielded himself with his arms, ready to take the blow.
But the blow never came.
At least not for him.
Dipper heard a groan and felt some wet droplets splash onto him. He opened his eyes to see Tats swinging his huge arms around like wrecking balls, slamming Dipper's attacker's left and right and sending gratuitous sprays of blood everywhere. He didn't stop there though. The impenetrable ring of men around the girls that Dipper had struggled so hard to break through was quickly dismantled by Tats as he sent bodies flying across the room with each swing. As the outer layers were peeled back, Dipper saw the man who had been holding Mabel come into view again, still holding her against her will. But Dipper didn't even have time to panic about that before seeing Tats' fist cave his face in with ease.
Dipper scrambled to his feet and ran over to the girls, careful not to trip over any of the fallen bodies. "Mabel," he dropped to his knees once he reached her. "Are you alright? Did they hurt you!?"
"Pupper!" Mabel wrapped her arms around Dipper's shoulders and pulled him tight, her body shaking. "What was that? What's going on?"
"Don't worry, it's alright. I'll get us out of here." Dipper caught sight of Pacifica in the corner of his eye. "Oh, and Pacifica, are you alright too?"
"Gee, thanks for the concern, Goofy," she said angrily. "Wait? Your voice sounds familiar... in a really annoying way."
"I, umm..."
"Pacifica!" Dipper turned to see Pacifica's friends had returned and were rushing over. "We went and got the bouncer at the front door as soon as we could and--Hey!" They both pointed at Dipper in unison. "Bouncer dude! You missed him, it's this furry dude in the outfit right here! Get him!" Dipper felt his balls recede into him. He turned to see Tats still pounding on one of the guys who had been attacking Mabel and Pacifica. His head turned at the girl's shout and his eyes narrowed on Dipper. Oh shit... oh shit.... ohshitohshitohshitohshit--
"Hey dumb ass," a new voice said as someone grabbed him by the wrist and yanked him to his feet. It was a girl's voice, and he thought he recognized it. "Run!" Whoever she was, she didn't have to tell Dipper twice. He bolted as fast as he could, following wherever the hand holding him was leading. In turn, he dragged Mabel along behind him, squeezing as tightly as possible to make sure he didn't lose her.
The run seemed to last forever, with twists and turns all over the place. They bumped into people and were gone so fast that Dipper could only hear their annoyed remarks as whispers beneath the loud music. Between the speed and all the hits Dipper had taken, his vision was a blur, and he still had no idea who was leading him along, only feeling the slenderness of her hand as she gripped him. After a few more turns, the girl suddenly released him and he collapsed to ground exhausted.
"Aww, poor little Pupper is all tuckered out," Mabel said petting his mask. Wherever they were, her voice sounded much clearer, and the music of the rave was a dull thump in the background now.
"Oh my god!" Dipper twisted his head to see that Pacifica was still with them somehow. He wondered why for a moment, before realizing that Mabel was holding onto her wrist. While he was dragging Mabel behind him, she must have been dragging Pacifica behind her too. How fortunate.... "You two completely ruined my outfit!" Dipper blushed and turned away as Pacifica covered up her exposed bits. "And everyone in the club saw me!"
"Don't worry about it," Mabel said. "You still look super pretty!"
"Oh shut up you idiot! I'm practically naked now! I can't even get the tape to stick to my skin down there anymore because it's too--urrgh!!" Pacifica stormed off and slammed a stall door shut behind her. "Unbelievable!!!"
Dipper looked around a bit more and realized they had somehow made their way into a bathroom. He looked back to the entrance, checking to see if anyone was coming in behind them, but the door was held shut by a tall girl who was leaning up against it.
"Don't worry, we're safe. You two sure caused quite a scene out there though," Tambry said with a smirk. Dipper should have felt relieved at being saved by someone he recognized, but that look she gave him cut him to his core.
"Tambry!" Mabel jumped up and hugged the girl, her face pressing against Tambry's mesh top and mashing her barely concealed breasts. "Thank you for bringing me! I am having the bestest time!"
"I saw," Tambry said. "Mabel, why don't you go help your friend get her outfit straightened out. I'll keep your puppy company."
"Okay!" Mabel spun around and ran towards the back of the bathroom, stopping only for a second to plant a kiss on Dipper's snout. "Pacifica, open up! I'm going to help you get your outfit fixed!"
"I don't need your help," Pacifica shouted. "Go away--NO! Don't crawl under the stall! Don't you have any manners!?" Dipper glanced back, but Tambry quickly reclaimed his attention by grabbing his face and turning it back to her.
"Uh uh," she said. "You and I should have a talk little pup, or should I say... Loverboy." Tambry raised her phone up so that Dipper could see the screen. A video was playing. A video that showed Dipper humping furiously against Pacifica's legs while his own sister sucked on his dick in front of her. She had been there the whole time? She recorded it!? "Heck of a show, huh?"
"I-I-uh..."
"It really was hot stuff, and TBH, I'm jaded." She turned the phone back to face her and licked her lips at the scene. "There's only one little problem. I know that girl, and she's totally not eighteen yet. But you knew that already, didn't you?" Dipper felt the hairs rising on the back of his neck, a cold sweat coming over him. "I mean, c'mon. Look at her. Who on Earth would actually believe she was? And you don't really expect the cops to believe you thought that, do you?" Even though he was already shaking from exhaustion, Dipper felt like it had intensified a hundred-fold, his mind going numb in response to Tambry's implications. "But, I won't tell. It can even be our little secret," she said, leaning in closer. "So long as you do something for me."