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Dipper's Little Secret...

Summary:

Mabel and Dipper just graduated from their College and have returned to Gravity Falls for the final time on holiday to see everyone.

On their first day back, Pacifica, Wendy, Robbie, Soos and Gideon all get together with the Mystery Twins to have a conversation about life and interesting subjects when they broach a question that makes Dipper tell a secret he'd been keeping for a long time... But what is it and why does it involve Bill?

Oneshot - Smut
Don't go all the way but it is implied!

Oneshot idea by my lovely friend Lin_Chaeyoung! (She has so many ideas I can't write them fast enough!)

Notes:

Hope you enjoy Dipper in a bath <3

(See the end of the work for more notes.)

Work Text:

Everyone that had been told about the return of the twins shortly after their graduation had come to the Mystery Shack, with Soos shutting it down for a day so that the twins could come in and settle down for their summer. The only people of importance that weren’t there were both of the Grunkles, who had gone off for a mystery in their ‘Stan O’ War II’ and wouldn’t be back for another week at the least.

Today, around the living room, sat Mabel, Dipper, Soos, Wendy, Robbie (he had been brought in with bargaining and chocolate by Wendy), Pacifica and Gideon. Currently, they were deep into an hour-long conversation to catch up with one another. Soos had been working on the Mystery Shack, and dare anyone say it, but it was in the best position it had been in years. Due to Soos’ work to invest in the Mystery Shack, with Melody’s help, it was looking better than ever!

Gideon had gone on to talk about all sorts of things such as his new business that wasn’t conning people out of money but making small inventions using some of the magical properties of the woods outside of Gravity Falls (in a way that wouldn’t harm the forest or the stock he was using) and selling them without much of a care. He had gone through the paperwork of safety for his inventions recently, which had been a big topic of the conversation thus far.

Wendy had been complaining (along with Robbie as well) about her new job. It was a profession she hadn’t wanted to go into (and the entire group had more or less followed her), but it was something she had done to get herself a nice house, and to save enough to get into the profession she did want to go into.

Pacifica had skimmed over the places she’d been in the past year or two and what she’d been up to with her fame, she was mostly a role model (as her mother had encouraged her to do) but she also used her spare time to travel the world, and learn new things. She always found herself coming back to Gravity Falls for its unique area though.

Mabel and Dipper had just graduated from their Colleges, and as a result, had come back more or less to celebrate. Their parents had packed them on their way for the last time, as after their stay in Gravity Falls, they would be going into full-time jobs. Dipper himself had just quit his own part-time job now that he was moving away from the college. 

Currently, Wendy was talking, it wasn’t anything particularly interesting, but it was still a good conversation. “Sometimes when I’m feeling too stressed, I’ll go out into the woods! There’s this really nice patch of it where it’s so calming and relaxing, never found anything out of place there strangely enough,” She explained, and Mabel looked amazed. 

“You’ll have to show me sometime!” Mabel said, being the bubbly self that she usually was. Dipper smiled a little and looked back over to Wendy once more. “Sure! It’s one of my favourite places to go! My other favourite place is my bedroom, of course, it’s got my bed in it,” Wendy joked, although this was true.

“Same goes, there’s just something about beds that you can’t get anywhere else,” Pacifica wholeheartedly agreed. It was a topic of conversation that she completely understood. Even if she loved to travel, her bed was always one of the best places to be. “Really? The couch is the best place to be guys! You can laze about there, and there’s a TV right in front of you,” Robbie protested, speaking for the third time since they sat down.

Soos laughed out loud. “Oh yeah, the Living Room is great! But to be honest, I don’t think I could pick a room, the entire Mystery Shack is my favourite place to be,” He admitted, feeling a little shy about it. Dipper smiled approvingly at him. It was lovely to see someone appreciate the Mystery Shack as a whole, although his favourite place was somewhere else entirely.

“I can’t believe no one has said the Kitchen yet! Really, guys, I can understand the bedroom, but isn’t anyone going to mention that’s where we keep all the food? If we didn’t have that in our households, then we probably wouldn’t eat,” Gideon adamantly told everyone in his folksy accent he always had. Thankfully, he had grown used to modern vocabulary so it was a little better when speaking to him.

“Ooooh! That’s a good one, Gideon! But I think I have to agree with Pacifica and Wendy, the bedroom is the place to be! You can keep whatever you want in there! And it’s also Waddles’ favourite room,” Mabel said, getting into the conversation and grinning from ear to ear. It was then, that everyone’s faces turned to Dipper expectantly, wondering where his favourite room was.

“Oh, uhm…” He uncomfortably began, as he looked at every one individually. It was then that Mabel was reminded of one thing. “Oh! Dip-dop’s favourite room is probably the bathroom!” She said and giggled. Robbie looked a little confused, as did everyone else. “Why’s that dude?” Soos asked, feeling just as confused as everyone else in the room.

“That’s… Not true,” He tried to save himself, he really didn’t want to get into this topic. He felt the colour rise to his cheeks, and he swore he heard a chuckle from behind, but he didn’t turn to check. Pacifica rolled her eyes. “It is though! You’ve spent hours and hours in there Dip-dop!” Mabel protested, which only got everyone else twice as interested as before.

Dipper groaned and held his face in his hands. Curse Mabel and her innocence to Dipper’s personal activities. “What ARE you doing in there Dipper?” Pacifica asked in an accusatory tone. Everyone else soon joined in this attack against Dipper, and it didn’t take long for the brunette to feel bombarded by everyone.

“Fine! Fine, I’ll tell you all if you don’t tell anyone else! And I mean it,” He said, feeling the blood rise to his cheeks even more. They all exchanged looks with one another before Gideon spoke up for all of them. “We won’t tell a soul, now tell us!” He pressured Dipper, as would everyone else to get the answers they craved from Dipper’s weird pattern of behaviour.

“Well… To be truthful…”



It was a cold night, it would be fitting to call it a dark and stormy one as well, but it was winter, and the weather was just absurdly cold. Dipper had been quick to realise that his windows were too thin to be able to properly keep heat in, which had been a massive downside to having the second biggest room in the house to himself, but he thought it was worth the trouble.

Tonight though, he was in the bathroom. It had one tiny window that had enough layers to keep him warm. When he had realised this, he had waited until everyone else had used the bathroom, dragged his covers and pillows to the bathroom and situated himself in the bath. It wasn’t the comfiest by any means, but it got the job done. He’d set an alarm just before everyone woke up so he wouldn’t be disturbed, or disturb anyone as well.

Despite Dipper’s best efforts at going unnoticed though, someone who was a normal and returning guest to the house had arrived. His only mission was to see Dipper. Sometimes the brunette would be awake and studying, and sometimes he’d be fast asleep. But this guest always came at the same time every night he decided to come over, no earlier and no later.

It was when everyone else was usually asleep, so they’d be left alone. At first, when Dipper noticed his presence, he wasn’t welcome. It had taken months for him to get used to him coming and going as he pleased. Dipper had been most shocked during their first meeting, mostly because he was supposed to be dead. 

Now though? Bill was rocking a human body, he had all the free will he could possibly want in the world (besides domination of the globe, but he’d moved on to bigger and better things by now) for Earth, and coming to see Pinetree was definitely high on his list. Tonight though, he came through into the brunette’s room on time, only to see he wasn’t there.

Dipper’s covers, pillows and his very being wasn’t where they should be, and that was his bed. Frowning at this, Bill decided to explore the house to find Pinetree. He’d done this two times before, but Dipper had always been with him. Both of those times he’d gone to the kitchen for something, and they’d been very quick visits. If Bill came any other time, they would always stay in Dipper’s bedroom.

As the demon explored the house, Dipper, who had completely forgotten the demon’s visits, was currently jerking himself off in the bath around his covers. It was a nice, warm atmosphere, and he was feeling sexually frustrated tonight, and deeply wanted some sort of release. He’d been feeling it for days, and due to Bill appearing practically every time he thought about it (Dipper is over exaggerating, he is either in an uncomfortable situation, or he thinks about it when Bill is set to appear) which meant he’d been keeping it inside for days.

Dipper let out soft whines and moans as Bill came closer to him. The demon opened the door slowly and as quietly as he could to see the brunette spreading himself across the bath with his hand on his dick. Bill was quite interested in watching and kept quiet for a little longer. As he waited, Dipper got louder and whined even more. Bill saw the brunette’s hand getting faster, and that was when he made his grand entrance.

“Pinetree! Fancy seeing you here!” Bill cheered as he shut the door behind himself. Dipper almost screamed at the sudden intrusion, instead, he yelped loudly and went to grab the covers to stop Bill from seeing his lower half. Bill stopped him before he could continue. The brunette looked up to see Bill’s face slowly, only to see the demon grinning as he got on top of Dipper!

“Bill I don’t know what you’re doing but you ne— Ahhh!” Dipper moaned out. In curiosity, the demon had licked the tip of Dipper’s dick, which had set all sorts of sensations through Dipper’s body. The brunette covered his mouth after realising what he had done, and Bill leaned closer to his face.

“Would you like me to continue?” Bill purred, grinning at the brunette as he watched him practically dissolve from how hot he felt. Dipper looked at the demon, then down at his dick, and he remembered the sensation he’d felt with his tongue. Without saying a word, Dipper nodded shyly. He didn’t want to admit it, but he’d been wishing, thinking of a similar situation for a while, and he wanted to see Bill in the bedroom.

The demon grinned and eagerly got back to work. He did everything to pleasure the brunette. He lapped up all the precum that was dribbling out of the tip and added quite a bit of pressure whilst doing so. Dipper moaned and clutched onto the sides of the bathroom, wanting more but not entirely knowing how to say it.

“B-bill! Ahh– P-plea– nghh!” Dipper groaned, whined and moaned out in pleasure. Bill definitely had experience, and as his mouth went around the brunette’s dick, he began to shout in pleasure, not expecting the hot, wet mouth to feel so good. Dipper put a hand on Bill’s head to push him further down, and Bill didn’t seem to have a gag reflex either, which only pleasured the brunette further.

Dipper shouted that he was getting close frantically, as his body began to frantically move at the amount of pleasure it was getting from the demon’s mouth, but right as he felt it was coming, Bill took his mouth off of the brunette’s dick and grinned as he looked up at Dipper. 

The brunette quickly became needy and tearful. This was mean, so awful. He had been stopped at his peak twice, and his body was only hating the treatment he was getting. His cock throbbed horribly to the point it hurt from being so erect, and he was begging Bill through his frantic babbles as he began to cry from the pain.

Bill brought a thumb to his cheek and grinned, he brushed the tear off his cheek and got closer to the brunette. “Let’s go all the way,” He muttered in the brunette’s ear, something in Dipper’s heart jumped, and the two began.



Dipper stopped for a moment, his face was so red, that if you put a tomato next to his face, it would’ve been the same shade. The room was silent but eager. Dipper looked around at everyone, and there were some unique emotions. Pacifica’s mouth hung open, with Gideon not far off from doing the same thing.

Mabel looked as though she was between confusion, disgust (because it was Bill Cipher) and excitement. Wendy looked quite intrigued and Soos’ face was mostly blank as if he was still trying to understand what had been said. Interestingly enough, Robbie looked the most supportive and gave Dipper the weirdest smile he had ever seen Robbie pull as they looked at one another. 

“What happened next?” Wendy asked casually as if she wasn’t just asking about Dipper’s sex life so openly. Dipper looked down, playing around with his fingers in an anxious manner. “We had sex,” He replied bluntly, not wanting to give as many details as he had beforehand. If Bill was here, he definitely would egg the brunette on.

“Oh come on, what happened after the sex then? Surely you can’t keep going to the bathroom to masturbate,” Wendy reasoned, trying to figure out why the brunette stayed in the bathroom for such long periods of time. “No, it’s… Well I would say it’s a bit complicated, but that’d be a lie,” Dipper said, feeling a bit nervous about what he was about to say.

“Bill and I got together… We do it in the bathroom because it’s soundproof, my bedroom’s walls are too thin to get away with it, and we’re way too loud,” Dipper said, covering his face as he spoke. The room became silent, and Dipper looked up. Some people looked to still be in thought, such as Mabel and Soos. But everyone else wasn’t looking at Dipper, but instead directly above him.

Moments later, as Dipper began to put everything together, he felt arms squeeze around his chest. “Well well well well well…” He said, grinning at each person individually. Dipper subconsciously leaned into the demon. Bill laughed, and a shiver went down everyone’s spine. This would be fun…

Notes:

Thank you for reading! I did this all in one go so I hope you enjoyed the oneshot! Got quite inspired to do it!

Thank you again, and enjoy!

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