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Exposure (a Pinecest story)	By : Edward_or_Ford Category: +G through L > Gravity Falls Views: 25856 -:- Recommendations : 0 -:- Currently Reading : 0
Disclaimer: I do not own Gravity Falls or its characters. I will not earn any money from this story.

Chapter List
- 1-Chapter 1 of 2 - December 25
- 2-Chapter 2 of 2 - December 26
- 1
- 2
"Dipper?" Mabel's voice is shaky with both uncertainty and the chill in her bones.
Dipper is lost in thought, trying in vain to think his way out of their predicament, trying to ignore the canned festive music playing from the speaker of a nearby closed-for-Christmas-Day store. His eyes shift from looking at nothing to peering directly into his sister's eyes, inches away from his. He tries to suppress his own shiver from the cold air.
"Yeah?" he replies.
Mabel's bottom lip quivers. "What … what are we going to do?"

"Mmmmm …. oh Dipper …. what are you going to do?" Mabel purred teasingly as her brother's kisses trailed across her neck from her ear to her throat, then slowly downward towards the top button of her warm flannel pajamas.
Dipper hummed back happily. "I don't know," he mummered playfully. One of his hands slid up her body from where it had been holding her waist, up her side and across her collarbone, stopping at the offending top button. He toyed with it gently. "I was thinking … that I might open one of my presents early!"
One of Mabel's hands ran through her twin's thick hair, pulling his head tighter to her neck. The other hand glided up and down Dipper's bare torso from his neck down to his pajama bottoms. "Aren't you being presumptuous?" she whispered while craning her neck back to improve his access from their awkward seated positions beside each other. "I think jolly old Saint Mabelus has you on the naughty list this year, little boy." She let out a tiny, delighted squeal as Dipper's other hand slid under her top and just barely tweaked one of her nipples. He chuckled happily as his lips and tongue teased across Mabel's neckline while his fingers lightly caressed the skin of her breasts. The tips of her fingers found their way beneath the waistband of Dipper's PJs. "You just might have to wait a bit longer to unwrap this gift, you scallywag!" she breathed.
"Hey, I wasn't the one who came sneaking over with mistletoe tonight," Dipper whispered back into Mabel's neck while gently squeezing one breast with the exact pressure Mabel liked. Mabel moaned low in her throat pulled her hands up to grasp and lift Dipper's face, just enough that she could lean in to softly place her lips on her brother's eye. He shuddered and gasped as she gently kissed his closed eyelid. Rivers of tiny shocks ran down his spine as Mabel moved over and gave the same deliciously torturous treatment to his other eye.
Mabel smirked lovingly at Dipper's mushy face, then glanced at the clock on Dipper's bedside table. The digital display read "12:01". Her smirk grew wider. "Well, Brobro, it's official!" she said quietly. "It's now Christmas Day. Our first Christmas together!"
"Merry Christmas," Dipper replied dreamily. Then his expression fell slightly. "I just wish I could give you a real present. You know … the kind of present a girl is supposed to get from her boyfriend."
His sister was having none of his typical down-on-himself behavior. She gave him a quick hard kiss, and pressed their noses together. "Hey! I've already got exactly what I want." Mabel snickered and wiggled closer. "Haven't you heard that old song?" She forced a tiny clearing of her throat, then started singing in as quiet a voice as possible:
"IIIIIIIII ... want a Dip-po-Po-tamus for Christ-Maaaas!"
Dipper blushed, a fond but anxious smile breaking on his face. "Mabes! Shhh!" he whispered.
"Ahhh-On-ly a Dip-po-Po-tamus will dooooo …" Mabel continued, her eyes twinkling in mischief.
Dipper suppressed both his own laughter and Mabel's off-key singing by pressing his mouth over hers. She continued to hum the silly Christmas tune through their kissing, the melody gradually fading into quiet groans of arousal as the intensity of the kiss increased.
Slowly the sixteen-year-old siblings lowered their bodies onto Dipper's bed, intertwining together as their lips remained locked. They rolled over without stopping, Mabel laying comfortably on top of Dipper. Hearts pounding, they broke their kiss ever so slowly, touched their lips together again, and then they backed away a fraction of an inch to look into one another's eyes.
"I love you," they sighed in unison. smiling gently and happily at their uncanny twin bond.
Suddenly, Mabel kissed Dipper forcefully, drawing a surprised but pleased grunt from him. Then she sat up on top of him and started unbuttoning the garish green and red pajama top. "You know, it's getting kinda warm in here," she softly growled with a smug grin. She opened up her top and pulled it off slowly, loving the look in her brother's eyes as he gazed at her naked breasts. "But I could get cold again, ya know," she continued, "so you might have to, maybe ... keep me warm somehow?"
Dipper slowly ran his hands up past her ribs, his thumbs gently caressing the sides of her soft mounds, then up to her face where he cupped her cheek in one palm and moved her long hair back from her face with the other. He marvelled at her. His twin sister. His best friend. The love of his life.
"I'm pretty sure I can figure out how to keep you warm," he whispered back, slowly pulling her face down to his.

"I'll figure it out, Mabel," Dipper replies, pulling her closer to himself, trying to preserve their body heat against the icy wind. He watches as another pedestrian passes by them, ignoring the shivering teenagers huddled together on the sidewalk
Mabel's expression is full of fear and doubt. Dipper can tell that she knows. She knows that he doesn't have a clue what to do. That he has no plan. That he can't protect them by himself. That he …
… that he needs Mabel as much as she needs him.
"We'll … we'll figure it out together! Okay?" Dipper says through chattering teeth. "… We can do anything as long as we have each other … you know that … right?"

"You're so beautiful," gasped Dipper. "You're wonderful … you're so … perfect … you know that … right?"
Mabel smiled widely. "Of course I am," she replied in her own labored breaths. "But only when … I'm with you … ya big dork!"
The twins were covered in a thin film of perspiration. Mabel sat astride Dipper with her hands on his shoulders, pushing herself up and down. He held her hips and moved with her, joining himself into her as far as he could.
Mabel leaned forward and gave Dipper a deep kiss, pressing her nude body onto his, her long hair cascading over their heads. She continued to rock her hips up and down slowly in a deep, tense rhythm, matching Dipper's strong, slow thrusts. They squeezed tightly to one another with every muscle, Dipper pulling on Mabel's behind and lower back with one arm and holding her shoulder and upper back tight with the other. They were loving the intimacy of their perfect bond, trying to press themselves even closer together if at all possible.
Dipper was lost in the overwhelming joy of hopeless love. Nothing in the world mattered more to him than being with Mabel. As he desperately kissed and clutched and thrust himself inside her, he knew without a doubt that he couldn't fathom life without her. He was oblivious to everything else ….
… except for three soft knocks on his bedroom door …
… followed immediately by the door being opened by their mother.
The twins froze and turned their heads to gape at the door in horror as their mother stepped softly into the mostly darkened room. She whispered apologetically. "Dipper … sorry if you're asleep, but I hid a present of Mabel's in your closet, and now I'm going to put it out under the tr- …" Their mother's voice stopped as she looked in the direction of the bed for the first time.
Dipper couldn't move. Neither could Mabel. There was no getting around the fact that they were naked on top of the sheets, they were locked in a tight, sweaty embrace, and they were having sex together. Terror filled their eyes, watching their mother, wondering with pure dread what was going to come next.
Their mother's face twisted in shock, her eyes wild. Her hands slapped to her mouth to keep herself from screaming. Frantic, high-pitched noises of panic emerged as her eyes squinted, then closed tightly. She started hyperventilating through her fingers.
The twins were as immobile as petrified trees, not having a clue what to do.
Finally, their mother stilled her breathing somewhat, her eyes still squeezed shut. She spoke in a low and furious rasp. "Mabel, get to your room this instant! Dipper, get under your sheets!" Mabel jumped up off Dipper as fast as she could, grabbing her pajamas as she bolted for the door, and Dipper yanked up his covers. "Just … .just stay in your rooms! Both of you!" their mother hissed as Mabel dashed across the hall to her own bedroom, and shut it as quickly but quietly as she could.
Alone with Dipper, his mother reopened her eyes and looked at her son. He had never seen her look that way. Anger, revulsion, and disgust were written on her expression. But most of all, he could see … complete disappointment. As if he had hurt his mother in the worst way possible.
"How … how could you … how could you do this ... " she stammered, her hands shaking violently. Then with a great gasping breath, she turned and swiftly left, closing Dipper's door behind her. Dipper faintly heard the master bedroom door close a moment later. The room where their father was likely asleep in bed, but who knew for how long?
Dipper realized that he, too, was hyperventilating, and he fought to get control of himself. His worst nightmare, the thing he talked himself into believing would never happen, had just happened! Their parents knew! There was no going back!

"When do you think we can go back?" Mabel asks.
The wind had picked up even more, and Dipper had known that they couldn't stay on the exposed sidewalk. They walk down the street, looking for a safe place to find shelter from the unseasonably cold blasts of wind.
Dipper has been wondering the same thing as Mabel. What do Mom and Dad think of us? Will they ever want us back? If we call, what can we say? How do we even call them now?
Even though he knows it isn't there, Dipper reaches his fingers to the empty pocket where his cell phone normally would be.

Dipper's cell phone buzzed on the dresser.
He threw back the sheet and lunged across the room, knowing the text message at this hour could only be from Mabel.
"omg dip moms gnna tel dad!" read the text message.
Dipper's finger flew over the screen. "I know shit Mabes Im sorry" he fired back.
Mabel's reply was immediate. "get drssd now we mght hav to go!"
"Mabes thts crzy. Why? Wher wld we go?" Dipper replied.
He didn't wait long for an answer. "its dad hes gnna freak i knw it jst put clths n shoes on now" Dipper started to type a disagreement, but another message immediately popped up.
"trust me!"
All their lives, Mabel hadn't always been the most reliable sister. She was distractible, off the wall, and just plain goofy. But when they were twelve, Dipper had learned that when they really needed each other, she could always be counted on. And she never used the phrase "trust me" unless she was absolutely sure of something.
Dipper swiped a fast "ok" on the phone, then quickly found and put on underwear and jeans. It was the middle of the night in December, and a bit chilly for the Bay Area, so he put a thick plaid flannel button-up shirt over a t-shirt, just in case. He located his sneakers and pulled them on as well.
He was reaching for his trusty old pine tree cap when his phone buzzed again. Unlocking the screen, he saw the message. "dip r u rdy im so scard"
Dipper sat on his bed and punched out a quick reply. "prtty much. but i dont thnk we need to be in such panic"
Mabel was surely typing a response, but Dipper never received it.
"THEY WERE DOING WHAT?!" came the loud, angry voice of their father from the master bedroom, at the end of the hall from the twins' rooms. It was a tone of voice Dipper had never heard from their father. He hadn't imagined he was capable of such fury, but Mabel must have known. She was always a better judge of character than he was. The man's shout was immediately followed by the thud of feet hitting the floor quickly.
The ferocity of his father's tone of voice and the sound of his father getting up out of bed triggered Dipper into action. He leapt up towards his bedroom door while screaming a single word at the top of his lungs.
"RUN!"
Yanking open his door, he dashed across to where Mabel was just opening her door. He grabbed her hand and pulled her with him towards the stairs. "C'mon!" he cried frantically.
They weren't halfway down the stairway when Dipper heard the master bedroom door opening, along with their mother's pleas for her husband to calm down.
"What the hell are you doing? Get back here!" their father shouted at the twins from behind and above them.
Dipper and Mabel took the last of the stairs at a dead run. Dipper hurled himself at the front door, unlocking it and throwing it open with a bang. "Go! Go!" Dipper urged.
Their mother's voice behind them grew to a terrified screech. "Oh god! Dipper! Mabel! Where are you going?"
Hand in hand, the terrified twins sprinted across the front lawn and down the residential street, heading for the nearby commercial districts of Oakland. Their parents weren't dressed to pursue them, and Dipper knew it would take their folks time to be able to chase after he and his sister. They heard their mother's panicked cries and their father's angry shouts behind them as they fled around a corner into the dark night.

"I don't know when we can go back," Dipper says as they continue to slowly walk together. "I think we hurt Mom pretty bad. And Dad …" His voice trails off as he remembers the fear that his father's voice had instilled in him.
The twins are exhausted. They have been awake for almost forty hours, and there is no more adrenaline left in their bodies to keep them going. They realize their thoughts are sluggish, and they're very cold. They need to find a place to sleep.
Mabel spots an alcove set into the facade of an old bank building. It is sheltered from the brunt of the wind, and lit by a streetlight so it would be reasonably safe. They decide they cannot find another place any better to collapse.
They lean together into the corner of the alcove. Dipper puts his arms around Mabel, giving her his shoulder to lay her head on. Mabel's arms wrap around Dipper's torso.
As Dipper shifts his position, trying to get comfortable, he looks across the street and sees a digital clock in the window of one of the line of closed storefronts. 11:00pm. Christmas is almost over, he thinks to himself in despair, wondering how the best day of the year could possibly have gone worse.

The bells at the top of The Campanile at UC Berkeley chimed eleven times. It was late in the morning on Christmas Day, and the college campus was nearly deserted. The day was sunny but brisk. the clear air and blue sky looking beautiful, but those who went outside were greeted by a stiff, cool breeze that had developed since early morning. Even in the bright sunshine, the temperature was dropping with the increasing wind.
Mabel and Dipper walked aimlessly on the empty sidewalks of the university. It had been almost ten hours since they had fled their home in Piedmont. The full impact of their situation was finally setting in. The twins were completely alone on Christmas Day.
Dipper thought back to the first panicked moments after their flight across the lawn. Their cell phones had rung less than a minute afterwards, and they both quickly turned off the power. He and Mabel agreed that they were too scared, that they needed to keep away from their parents. At first, they darted into the gaps between houses as they made their way out of the suburban city, avoiding the headlights of the rare passing cars, not knowing if they would be seen by their parents who may be looking for them. Once, at about three in the morning while hiding in a shadow, they spotted their father behind the wheel of his car as it passed, and could see the intense look on his face under the light of a streetlamp.
They hadn't had time to grab their jackets, so they were both a bit cold as they had made their way in the early morning hours to Denny's in Emeryville. It was one of the few places open on Christmas Day, and there was already a big crowd. It was a perfect place to warm up and get some food and coffee. Dipper was glad that he had stuffed his wallet into his jeans before they had to run. It was bad enough that he was without his hat.
Trying to look as inconspicuous as possible, they had ordered a big breakfast, wanting to prolong their stay in the restaurant for as long as possible, at least until sunrise, so they could figure out what they would do next. Still, they had to keep a close eye on the door, to make sure that one of their parents didn't arrive looking for them.
Hours later, though, things were looking bleak. They had walked towards Berkeley for no particular reason, thinking that keeping on the move was better than staying at the restaurant. But now, they had no idea what to do next.
"Where are we going to go, Dipper?" Mabel asked finally.
Dipper sighed. "I don't know. It's getting colder, and when the sun goes down it'll be even worse." There was more silence as they considered their immediate options. "Maybe we can find a motel for the night, so we'll get out of the cold."
"I'm pretty sure you need a credit card," Mabel replied. "Besides, I don't think anyone would look at us and think we're old enough to get a room together. They'd probably ask for ID. That might get back to Mom and Dad."
"Right," agreed Dipper. "I mean, we could call friends, but what do we tell them? They're gonna want to know why we're not at home for Christmas, and why we can't call our parents. And telling the truth … isn't exactly gonna work."
"We can't call Uncle Steve either, can we?" said Mabel, referring to their mother's older brother who lived in Palo Alto.
Her brother shook his head. "Same thing. He wouldn't accept not getting an explanation why we're hiding from Mom and Dad."
Mabel grabbed Dipper's arm. "What about Grunkle Stan?" she exclaimed. "If anyone would understand us, it would be him! He'd take us in!"
Dipper looked back at Mabel. "What can he do? He's, like, a 10 hour drive from here!"
"We can go to him! Think about it! You've got your wallet, you can get money from a bank machine. The bank offices are closed, so even if Mom and Dad wanted to stop our bank accounts, they won't be able to do it until tomorrow! Buses run every day, including Christmas. We can get on a bus today!"
The idea was better than anything Dipper had thought of. "We should call him first," he suggested, pulling out his phone, then stopped before switching it on. "Wait. Dad probably called the police to look for us. They'll be able to track our phones if we turn them on. We'll have to ask to borrow someone's phone to call Stan," he said as he returned the phone to his pocket. "We'll have to get a prepaid SIM card tomorrow to use ourselves. As long as our batteries last."
Dipper saw Mabel's optimism return, now that they had the beginnings of a plan. "So what do we do next, Broseph?" she said with a genuine smile, her first since before they left their home. "What's the next step?"
Dipper couldn't help but grin back at his sister. "This is," he replied happily. He grasped her waist, then pulled her into a close embrace and a warm, deep kiss. They enjoyed the intimate moment, then gently broke the kiss and stared lovingly at one another. "I love you so much, Mabel," Dipper said weakly.
"You'd better!" teased Mabel quietly. "Cause I love you, too, Dippingsauce." She reached up to peck his lips again. "Now come on, let's go!" she exclaimed, letting go of Dipper's hands, then screeched "TO THE BUS STATION!" and started marching up the street. She got ten paces away before stopping and turning back to her amused, immobile brother.
She crossed her arms dramatically. "Let me guess," she groused. "I started walking the wrong way, didn't I?" Dipper smirked with superiority but said nothing, holding out his hand. Mabel put on a display of sulking, but took her brother's hand as they headed south out of the university campus.

The twins knew that they could be waiting for some time for a bus that was heading north to Oregon, so they needed to go to a full-service bus terminal, with warm seating and other facilities, to wait. The main Greyhound terminal was on San Pablo, just off the I-980, a couple of hours' walk from Berkeley.
They found the bus station just before 1pm, and discovered that the next northbound bus would leave in only an hour and a half. Delighted with their good fortune, and after verifying the cost of the tickets, they walked down the street to an ATM mounted inside the door of a run-down convenience store.
Dipper saw no benefit to leaving money behind in the account. If they were going to need money, it was more likely to be of use to them in cash. As they had surmised earlier, there was a chance that their parents would close the accounts the next day. He withdrew $460, almost all of the full amount he had in the bank. He grimaced as he looked at the receipt and saw the paltry balance left of his savings. Mabel took Dipper's hand and smiled comfortingly, drawing a smile from him in return.
They stepped out of the store and turned back towards the bus station.
A thin, dirty youth in a ratty hoodie stepped into their path from where he was leaning casually against the building. Pulling his hand out of his pocket, a large switchblade snapped into place. He stared menacingly at the twins.
Instinctively Dipper pulled Mabel behind him, but he already knew that he couldn't win this fight. He'd had no experience with fist fights in over three years, and certainly had never taken on anyone with a knife.
The street thug stepped back and pointed to the ground with his other hand. "Put whatever you got on the ground, money, phones, jewelry ... or I slash you and take your girl," he growled.
Dipper felt his back stiffen, anger rising rapidly. Mabel quickly stepped out from behind him and put her hands on his chest. "Dipper!" she cried. "No! Just … give him what he wants!" Dipper tried to push Mabel behind him again, but she wouldn't budge. She clutched herself to him, holding herself between him and the robber. "Please Dip! Don't! You can't! It's not worth it! I …" her voice caught in her throat. "I can't lose you!" she begged.
Breaking away his glare from the thug and looking at his sister, Dipper saw the desperate fear in Mabel's eyes. He couldn't tear his eyes away from her pleading gaze. Slowly, his muscles relaxed. She was right. Trying to get his hands on this guy wasn't worth it. She was worth it! Mabel was worth everything to him!

"Mabel … all that's happened … you're worth it," Dipper murmurs into his sister's ear.
Mabel whimpers slightly as she burrows her head closer to Dipper's chest. Both of them are shaking harder than ever now. Dipper has lost the feeling in the tips of his fingers, and his hands are stiff and sluggish with cold. A faint voice in his brain's memory fires out the word "hypothermia", but the logical part is so exhausted that it fails to process what to do.
"I don't regret it, Mabel … not one second of it," he continues in a quivering voice. "I love you … I love you!"

"I love you, Dipper!" Mabel told her despondent brother for seemingly the hundredth time, giving his hand a reassuring squeeze. "You did the right thing, not getting yourself hurt."
Dipper half-heartedly squeezed back as they walked aimlessly through Oakland. In his mind, he knew she was right, that if he'd lost control against the asshole who took their money and phones, he would have ended up injured, or worse.
But his pride still stung, badly. He hated that they had lost everything now. They had no way to get to Gravity Falls, and no point in trying to contact Stan. They had no money, no food, and insufficient clothing for the increasingly cold afternoon.
"We have to find somewhere to go, and soon," commented Dipper, looking to change the subject.
"Yeah," Mabel agreed. "There must be shelters around, for … you know …" she paused uncomfortably, "... homeless people?" Mabel meekly suggested.
Dipper sagged with the realization that "homeless people" was exactly what they were. The pace of his walk slowed, then he stopped in the middle of the nearly deserted sidewalk, his eyes staring at the concrete slabs under his feet. He allowed the fatigue and despair to finally begin to settle over him. He swallowed hard, trying to fight back the tears rising in his eyes.
Mabel gently wrapped her arms around him, and they quietly wept together.

The twins tried to maintain as much dignity as they could as they made their way from shelter to shelter. Dipper and Mabel were able to stay for a short while and get a bite to eat at each stop, but repeatedly they were sadly told that the unexpected cold snap had resulted in a shortage of bed space, as well as all warm clothes having already been handed out to other needy people. The sun had set and the temperature had dropped precipitously by the time they reached the third shelter, in the basement of a church in a very seedy part of the city north of Chinatown. They were each given a large old button-up shirt, which provided barely any additional warmth over and above their existing clothes. They thanked the volunteers anyways, and proceeded in the direction of the Fruitvale neighborhood, where they were told there should be more drop in centers.
Mabel found the address they had been directed to, but the door was locked. A drunk hobo stumbled by and lamented in a slurred voice how the place had closed up the previous week. When Dipper asked where they should go instead, the vagrant mumbled an answer that was unintelligible, pointed in three different directions, then staggered off, incoherently grumbling to himself. They envied that at least it looked like his coat was warm. There was virtually no one else around.
Dipper leaned against the wall of the building and massaged his ankles and calves, first one leg and then the other. The long day of nearly non-stop walking was getting to him. He noticed Mabel showing similar discomfort. Both were rubbing their arms and bobbing up and down, feeling the cold dig deep into their cores.
"Maybe we should just … just sit down for a few minutes and rest our feet … just for a few minutes?" suggested Dipper. He and Mabel sat on the cold surface, snuggling together.
For the next half hour, they talked about friends at school, then memories of Gravity Falls, which led to talking about family vacations with their parents. Their conversation drifted into melancholy as they reminisced about past Christmas Day celebrations, all the presents and dinners, singing carols, and other treasured memories of a loving, happy family. Wistfully, they fell silent, both shivering and wishing that everything that had happened that day could be undone.
Finally Mabel turned her head and quietly asked Dipper what they were going to do. He told her they would figure it out together. As long as they had each other, they could do anything!

Dipper's voice is weak and halting.
"As long … as we have … each other …"
He is unaware that Mabel's shivering has stopped, as has his own. Mabel is almost completely still, her face relaxed, tiny puffs of frosty condensation blowing intermittently from her cracked lips.
"... as long as …. we're together …"
He brings a frigid hand clumsily up to his sister's cold cheek and hugs her head gently, pressing his lips to the top of her skull and closing his eyes in contentment.
"... Christmas … will be … perfect ..." he mutters faintly.
The weary teenager's strength is finally spent.
He falls unconscious.

To be continued ....
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Exposure (a Pinecest story)