Disclaimer: I do not own Gravity Falls. This goes for this entire fic.

I wanted to practice some smut and a new style. So yeah. Lot's of bad stuff here.

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It's a Wonderful Life

Chapter 1:

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Bill felt a shudder race through his body. Throwing his head back, he let out a loud moan, his one eye falling close at the feel of himself coming undone by his pet's beautiful mouth on his cock.

Having no need to really catch his breath, the demon slowly sat up, watching his Pine Tree tuck him back in, lips still shining with pearly white cum. The kid peeked up at him through his bangs, brown eyes wide, still burning with lust and the kid, very slowly, poked his pink tongue out to lick his lips, lapping up Bill's remains.

Bill smirked at the sight, ignoring the stirring already happening in his gut once more. Of course, he had all the time in eternity to enjoy his pet's sweet body but right now, Bill was craving something else besides sex.

"Master." His Pine Tree whispered.

Bill noticed that his pet's voice was not hoarse. Seems like he was so used to sucking him off, it didn't even bother his throat anymore.

Good.

Bill gave the boy a lazy nod, his eye already starting to turn away from the kid to admire the room they had locked themselves in.

It was gorgeous of course- something he had made himself. Everything was either black, gold, or blue.

Well, mostly. He still hadn't got all the blood stains out of the carpet and the walls were still splattered in brain matter in places but no matter. His pet would probably scrape all that off and use it in whatever concoction he decided to make.

Bill shifted around in the love seat, sitting up even more. Naturally, his pet shifted with him, letting the demon put his legs in a more comfortable position.

"What is it?" Bill responded once he was comfortable again. He let his singular eye slide back to the boy, narrowed as he took in his beautiful black suit with gold trimming.

Pine Tree's eyes stared at him, twin pools of a mocha brown. "Did I- did I do good?" He almost whimpered, a slight blush spreading across his cheeks at the question.

Bill almost purred at the sight and forced himself not to grab the boy and take him again right there. His pet needed his rest, after all. A sleepy Pine Tree wasn't useful. He had learned from experience.

"You did wonderful." Bill replied, opening his arms in welcome.

Dipper's eyes brightened at the clear invitation and carefully slunk up into Bill's arms, pressing his body flush against the demon's.

Bill pulled his pet even closer somehow, curling up around the boy as he tangled his legs around with the other's.

Dipper hummed in delight at the attention, turning to press kisses alongside the bottom of the demon's triangular head, feeling every curve of brick and the odd warmth that radiated outwards.

Unable to hold in the pressure in his chest, Bill let his purr come to life as the boy's peppering kisses became a bit more frantic, pink tongue darting out to lick and lap. Bill could feel his pet's hands travel downwards, lightly rubbing his clawed hands. Dipper giggle softly when he heard the noise the demon was making, the sound sweet and surprisingly innocent considering the screams of the dammed outside.

His pet was quite the romantic, to say the least. A not-so long time ago, he had considered it annoying. There had been only two reasons to use the kid and at the time, care and- dare he say it- love wasn't one of them.

But a lot can change in a little amount of time.

Bill blinked slowly and carefully shifted around again as his pet moved to fully face him, stopping the kisses and licks to instead nuzzle into his chest, tangling legs with his own.

Pine Tree knew that more than anything.

The demon could feel the exact time his pet nodded off, feeling his conscious slip away from this world into a new one, one gray and black and white, filled with towering forests and grand mysteries ready to be solved.

Carding a hand through his Pine Tree's hair, Bill waved a clawed hand up to throw open the french doors across from the love seat he and his pet were on, giving a clear view of thick, oppressive smog choking the air and the burning skies behind it. Below, Bill could hear far away screams of people and the monstrous roar of beasts as they tore anything and everything they could.

Bill listened to it all- the screaming, the crying, flesh ripping from bone and then bones ground into dust under sharp and crooked teeth...

The demon groaned softly, feeling a stronger heat pool in his lower stomach again, tracing a slick and vile finger down to his groin.

Gripping the fabric of his pet's suit, Bill forced his all-seeing eye close and let himself wander, blocking out the orchestra outside.

After all, he had made a silent resolve to finally give his Pine Tree some sleep. He couldn't go back on his own word with himself now, could he?

He also couldn't deal with a tired pet. Tired pets preformed poorly and he couldn't have Pine Tree fucking up.

As his sight from his pet drifted away, the world opened up to him, happily flashing itself to him in shades of red.

Blood.

Fire.

Carnage.

Gore.

Death.

And it was all so beautiful.

So beautiful...

And all it took was a year. A single delicious year that brought everything he had into fruition. Of course, his plans hadn't exactly covered everything that happened. He hadn't planned on getting a pet, after all...

But he was a flexible demon and besides, none of this wonderful destruction would've been possible without the boy's help.

Bringing his focus back to where his physical form was instead of the flaming streets of Munich, the demon felt the bottom of his face twist using his will alone and, ever so gently, he placed a fanged kiss on his pet's forehead, right inside the 'ladle' of his birthmark.

His pet did deserve it, after all. Pine Tree had not only lived up to his potential and expectations, but had transcended it, becoming so much more.

Without Dipper Pines, the world wouldn't be burning, tearing itself apart bloody piece by bloody piece.

And for Bill, that simply wouldn't do.

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Look at me, starting another project...

This is going to be pretty short and is pretty much practice in both style and smut. Wanted to try something new and different so here's a thing.

I also just wanted to write about Dipper and Bill destroying the world because why the hell not

Oh, and I wanted to write something with Object head!Bill because he doesn't get enough love.

Anyways, thanks for reading!