A/N: Okay guys, this took awhile, and I'm sorry. Also, this chapter is... ugh. Messy. There's some self harm and a lot of gore, so anyone who doesn't want to read this can skip to the end of the chapter and I'll just give a summary. Thanks for reading! Also it's tiny I'm sorry don't kill me.

Dipper felt warm, very very warm. It was the kind of warmth that isn't quite a summer's day, but more of a summer evening. The kind with fireflies and fireworks, and running around the backyard with your sister's best friend daring them to kiss you. He opened his eyes slowly, like a puppy awaking from a very long midday nap, and yawned. He didn't move though, because he really didn't want to. He was warm, but not badly so, and he was comfortable. It was only a matter of time until he realized what exactly was making him so warm and comfortable. But, it was just that. Time spent. So he fell back asleep, thinking of what he wanted to do with Bill when he woke up. He didn't see that he was actually sitting on Bill's lap. He was in shorts and a white t-shirt that was going to be stained at the end of this, stained Bill's third favorite color. The color of his own, crimson, ruby, and pure, blood. It came straight from his own favorite place to, his slender, human-ish arms. He sat with Dipper laying on his lap, nearly helpless, a butter knife in his hands, and cut. He sliced his arms until there was no more skin to touch, until the boy under him was bathed om his lover's pure blood, until it was spilling off the boy and onto the floor. Bill loved the pain it wrought upon himself, and the sight of the blood just made him want more. He knew his Pine Tree wouldn't wake up for a while longer, at least not with the spell Bill put on him, and so he kept cutting, slicing until his arms didn't feel like arms anymore. It went on for hours, stretching out across the afternoon like hot cheese on pizza. His blood glittered in the candle light, like it was more magic than biochemical.

Dipper rolled over, and yawned, feeling the sleepiness wear off of him as quickly as it had started. He found himself curled up, almost like a cat in a beam of sunshine, on Bill. But he could feel that something was wrong, as he was laying on something oddly sticky and hard. He opened his eyes slowly, a little scared that maybe he wasn't sitting on Bill after all, that maybe while he was out something horrid had happened. But he saw quickly that it was really just Bill. But... red. There was... ketchup?

"Bill, why is there ketchup all over you and that knife?" Dipper asked sleepily, feeling odd about this whole thing.

"What ketchup? Oh, that's blood Pine Tree," he said, so calmly, so matter-of-factly that it almost didn't register what he was saying.

"Blood...?" Dipper questioned, still groggy. "Oh, shit that's your blood! Bill, what happened?!" He asked, hyperventilating, panicking because who wouldn't if there lover was cover in their own bodily fluids?

"I happened, Pine Tree!" Bill shouted happily, grinning in that slightly creepy way with all of his teeth. "I'm cutting myself up with a butter knife because that is one of the most painful things I could think to do while still being with you, and as I'm sure you know pain is the only thing that brings me joy!" He sounded so utterly happy, you might think he was talking about something more innocuous than self harm.

"Oh..." Dipper sighed, looking greenish. "Bill, that could kill you."

"Nah, I'm not completely human, remember!"

"Please, Bill, don't..." Dipper's eyes watered up and his face screwed up, as if he was in pain. "Don't do that to yourself. It causes me the bad kind of pain to see you do that."

"I'm sorry, but Pine Tree, what else can I do?" He asked, his eyes wide and his voice soft, almost seeming innocent. Almost.

"I dunno Bill, but please..." Dipper breathed unsteadily.

"No," Bill said, calmer than should have been possible. Dipper screamed as Bill raised the knife again to himself, this time in a different area, his face. His eyes looked like he was close to doing something much worse than mere slices against the skin. He smiled softly, almost looking gentle. "Calm down Pine Tree," he said, laughing like it was all some evil joke played on Dipper, but at the same time Dipper knew. There was no way it was. He raised the knife to the very thin edge of his cheek, threatening his Pine Tree in a way. Pine Tree moaned, and heaved for breath. "You see, Pine Tree, there's a reason for all of this."

There was a crash of thunder outside. Then the rain started, a slight patter on the roof they could hear clearly.

"How long have we been up here?" Dipper asked to the body he sat on, still, because he couldn't seem to muster the courage to wipe the blood off and get up.

"Oh, a few hours at least. Not long." Bill sighed, smiling still. He looked at Dipper, brushing the boy's matted brown hair out of his face. The candle flickered a little bit in the invisible breeze. Dipper sighed a little, remembering why he felt such strong feelings for Bill in the first place, the tiny touches to the feverish make outs, whatever it was about that insanity, that's what made him fall in love with a mad man. Bill was even nice enough to try and protect him.

"Why isn't there a window in this room?" Dipper asked, knowing it was marginally off the topic of Bill and his friend the knife, but he was hoping to distract his lover so that maybe Bill wouldn't find it so very entertaining to stab himself.

"Because when I helped Sixer design this shack, he wanted a more private room. This was it. My favorite room in the whole shack, really." There was a hint of nostalgia in Bill's eyes as he talked, looking around the room like it was some kind of museum. He snapped out of it quickly, though, almost disappointingly so.

"That's sweet, Bill," Dipper said, his eyes softening, and feeling an pulse of warmth in Bill's direction. "I have something you could do instead of cut yourself, Bill," Dipper said, almost sleepily, trying to peak the man's interests.

"What could be so interesting, Pine-y?" He sing-songed, smiling lazily down at his special tree.

"This," Dipper said, almost smirking. He leaned up to Bill and kissed him softly on the lips, then pulled away, grinning. But Bill just looked indescribably sad, like something about that kiss had reminded him of something from too long ago, from his long backstory.

"Pine Tree..." he sighed. "You agreed to this," he said, gesturing to his body.

"I know, I was there, but it's so hard to watch you do this to yourself..." Dipper looked at the ground.

"I know, Pine Tree. That's half the fun!" Bill giggled.

Dipper looked momentarily horrified, then he looked back down at himself and sighed. "Is there anything else we could do that's more fun?"

Bill grinned like the Cheshire Cat, his eyes sparkly and bright. "I have a few ideas..."

A day had passed peacefully since that conversation. Dipper had been vaguely wondering what Bill had been thinking of for fun, but it had slipped to the back of his mind in the usual hard work and crazy adventures they had every few days over the summer. Mabel had been distracting him sufficiently, anyway. That night, Dipper had just slipped into his bed, all nice and ready to go to sleep. He wasn't tired, but he also wasn't very energetic. Certainly not enough for what was about to happen.

He had just fallen into the void of sleep, the light that calmed him, when he heard a distinct ripping noise. It was strange, but he wasn't exactly unaccustomed to hear the noise at random points in time, since he lived with Mabel. He just rolled over, groaning. Then he realized he was not rolling over on the soft surface of his bed, but rather in something much colder and lighter. His eyes flew open, and he gasped. But the sound came out intangible and loose, untethered to this mortal realm, as his mind had become. He was in the Mindscape. His body rolled over, back to where Dipper could see himself, and the eyes were bright yellow. An insidious grin gathered like a thunder storm on his own face and Bipper laughed.

"You should see your face right now, Piney!" Bipper choked out, in between bouts of giggles.

"You're gonna wake up Mabel, Bill! Why are doing this?"

"For fun, a distraction, my evergreen!" Of course. It makes so much sense...

"What are you going to do to my body?"

"You'll see," Bipper said calmly, and a shiver ran through Dipper's spine. Bipper slowly crept out of Dipper's bed, his footsteps barely making any noise. He walked out into the hallway, opening their door silently. He snuck down the stairs, into the lobby, and out the front door. This was getting somewhat worrying. He walked openly into the forest, the cold breeze blowing the branches of the trees in a ominous way, like a horror movie. Dipper floated out behind him, following himself closely, not worried about how odd they would look because no one could see him. It was a nice feeling in some ways, but in others it was just strange. A simple disguise.

They walked (or floated, in Dipper's case) for hours upon hours. By the time Bipper stopped, the sun was nearly up. They passed by a lot of different landmarks in the Gravity Falls Forest, but nothing that stood out to Dipper much. In fact, Dipper couldn't recall where exactly they were, despite his now near perfect map of the forest. It was a pretty view though, so he decided to push his worries aside for the time being. Always a good, healthy decision, especially around Bill freaking Cipher.

"Bill, everyone will be worried when the two of us aren't at the shack. Mabel could even be up by now. She wakes up crazy early, I'm sure you know this," Dipper said softly, trying to appeal to the demon's common sense. Dipper had forgotten, somehow, that Bill didn't have any.

"Who cares? Worrying is her problem. Just wait here for a second, and you'll see why I brought you here."

Dipper face-palmed and sighed. He waited. He thought about Bill. He looked in front of him from time to time, glancing idlely at the clearing in front of them. It was pretty, for sure, but there was nothing particularly...

"Oh my goodness, Bill..." Dipper basically sighed, his eyes glued to the sight in front of him. "I love it."

A/N: Okay, so here's what happened: Basically, Bill was cutting himself for fun. Dipper really couldn't stand to see him like that, understandably, so Dipper was trying to come up for other things for Bill to do to entertain himself. So Bill was like, okay, I'll stop if I can do this thing. But Bill didn't tell Dipper that the "thing" was becoming the glorious Bipper and taking Dipper's body and essence to go see this amazing thing. You don't know what the thing is yet.