Heyo friendo's! AG here! For those who don't know, here are the basics!
(Y/n) - Your name
(H/c) - hair colour
(E/c) - eye colour
(F/c) - favourite colour
I'll add more when needed! And don't forget to look out for the secret code!

A girl with semi long (h/c) hair lied on a plain grey couch in a plain white living room. The living room had a tv, two other comfy chairs and a brown coffee table. Attached to the living room was a small kitchen with all the normal necessities, a hallway leading upstairs and the front foyer. Upstairs was three semi small bedrooms, and a bathroom. The girl sighed boardly  and opened her bright (e/c) eyes. She stood up and grabbed a pair of (f/c) converse and pulled them on before walking out of the house. She was wearing a (f/c) tank top, blue jean shorts and black knee high socks. She had a dagger attached to each hip and a crystal necklace around her neck.
"Today is such a boring day..." The girl complained to herself as she walked around the forest that surrounded her home. She walked into the town only to see flyers up everywhere. On store windows, poles, houses and wall. The girl picked one up. On the poster it had a picture of twins. They both had brown hair and were wearing flashy blue clothes. The girl had a sparkly gem on a blue headband while the boy had the same gem near the middle of his collarbones.

'Come to the Tent of Telepathy today at 2:30 to see Mabel and Dipper Gleeful
preform all new, never seen before tricks!
Come early to get a Gleeful Twins pin!'

The girl rolled her eyes but headed towards the big blue tent anyways.
"I have nothing else to do anyways..." She mumbled as she payed for a ticket and sat down in her seat. After a couple seconds the tent door closed and the lights dimmed. The twins walked out on stage and started doing cool magic tricks while the crowd went wild. The girl slouched in her seat and ignored what was happening. Why is this place such a big hit? It's just cheesy magic tricks! She thought, looking around the tent.
"And now, for our final act we will get a volunteer from the audience!" Dipper said happily. The crowd started raising their hands but Dipper ignored them, looking right at the girl.
"How about you? The girl with (h/c) hair wearing the (f/c) tank top!" Dipper exclaimed as the spotlight landed on the girl. She froze and looked at the stage. Her body started moving on its own, moving towards the stage.
"Your so lucky to be picked my dear!" Mabel cooed, dragging the girl towards a big blue box with lots of sparkles.
"What is your name?" Dipper asked as he opened the door to reveal the inside was painted black with lots of blue sparkles.
"It's (Y/n)." The girl replied.
"Ok everyone! Put your hands together for our volunteer (Y/n)! Who we will make disappear!" Dipper yelled, making the crowd go wild. Mabel pushed (Y/n) into the box and quickly closed the door. Their voices muffled as the world around (Y/n) turned grey.
"Hey! Where am I?!" (Y/n) yelled, turning around to see a boy with messy blue hair. He was wearing a blue, white and black tux, a black bow tie, triangle eye patch on his right eye and top hat.
"Y-Y-Your in the m-m-mindscape...." The boy stuttered. (Y/n) frowned.
"How did I get here? Who are you? Why am I here?"
"W-Well... I b-b-brought you here for the a-act... M-M-My name's W-W-Will a-a-and your here for the a-a-act..." (Y/n) sighed.
"Ok... Why is your hair blue? What is the mindscape? Why is the mindscape greyscale? Do you live here? Is it lonely? Shouldn't I be back by now?" Will gasped.
"O-Oh no... O-O-Oh no...... Y-You have to g-go now!" Will exclaimed, pushing (Y/n) towards a blue door.
"What! You haven't answered my questions yet!?" Will ignored (Y/n) and pushed her threw the door. She tumbled out of the box and back onto the stage. The crowd cheered and clapped happily as Mabel and Dipper bowed.

Once the crowd left (Y/n) walked towards Dipper and Mabel. Dipper saw her and smiled.
"Hey there (Y/n)! How was the show?" He asked. (Y/n) plastered a smile on her face.
"It was wonderful! I am so lucky to be in the show!" She lied. "But I was wondering about how you make people disappear like how you did to me!" Dipper chuckled.
"A true magician never tells his secrets. Anyways (Y/n), be sure to watch the next show! But my dear sister and I have to attend to somethings. See you next time!" Dipper said before running off with Mabel. (Y/n) watched their retreating figures. They are going to do something to Will because of me. I can't let them. He still owes me an explanation! (Y/n) thought. She grabbed her daggers and followed Dipper and Mabel down the dark hallways of the tent.

After a while of getting lost (Y/n) heard painful screams. She gripped her daggers tightly and followed the screams to a hidden trapdoor. I thought this was a tent! I mean, I knew it was huge... But the fact that it has a trapdoor and all these hallways is a little weird... (Y/n) thought as another scream echoed through the tent. (Y/n) flinched slightly before reaching down towards the trapdoor. She quickly opened it and scrambled down as quietly as possible to see a dark room illuminated by one dull light in the middle. Dipper and Mabel stood under the light, blocking (Y/n)'s view. To the right of the twins stood a boy with yellow hair. He wore a yellow, black and white tux, black bow tie, top hat and cane. He also had the same triangle eye patch as Will, only on his left eye. (Y/n) hid behind some wooden crates filled props.
"YOU PATHETIC EXUSE FOR A DREAM DEMON!!! YOU ALMOST MADE DIPPER AND I LOOK LIKE FRAUDS!!!" Mabel yelled as another scream erupted.
"P-P-Please s-s-stop!" Will begged, crying slightly. (Y/n) gasped. They're hurting Will! What do I do? What do I do? (Y/n) thought as panic started to kick in.
"Hey! Leave my brother alone!" A female voice yelled. Mabel laughed.
"Don't make me laugh squirt. Your a small kid. Pathetic. Just like Will. Get out of the way." Mabel replied to the female voice. The girl whimpered and then there was a flash of green and the girl was gone.
Wait. I have my daggers! I only have two chances. Ok. Breath. (Y/n) thought as she stood up, running out her hiding spot. Dipper turned around with wide eyes.
"(Y-Y/n)! What are you doing here!?" She growled and pointed her dagger at Dipper.
"Your hurting Will." She growled as the blonde glanced over. Mabel whipped around. She was holding a whip that was bloody.
"So... (Y/n)... You think you can sneak into our privet property and get away with it. As well as stopping us to punish our workers, without getting hurt yourself? Ha! You must be even more stupid than you look!" Mabel spat as she laughed evilly. Dipper pointed at the blonde.
"BILL! Get rid of the girl." Dipper ordered. Bill rolled his eyes and started walking towards (Y/n), yellow magic forming in his hands. (Y/n) threw the first dagger at Dipper, impaling his chest. Right where his heart was. He fell to the ground lifeless.

Mabel screamed as Bill and (Y/n)'s eyes widened. Oh my gosh... I-I.... I just killed him... I a murrder... I can go to jail for killing him! I'll be a wanted criminal for the rest of my life! I don't want to be a criminal! I didn't think my aim was THAT good! Oh gosh, oh gosh, oh gosh, oh gosh! I will have everyone who liked Dipper wanting my head on a silver plater! I won't be able to stay here in Reverse Falls! I'll have to keep moving so no one finds me! (Y/n) panicked as she dropped her other dagger, her body shaking in fear. A blue mist surrounded (Y/n) and threw her agented a wall, over and over again. Will opened his eye enough to see what was happening before trying to stand back up.
"(Y-Y/n)! W-Why are you h-h-here?!" Will asked before falling back onto the ground from blood loss. (Y/n) smiled at Will as Mabel slammed her into the wall again, making her hit her head. (Y/n) coughed, spitting up blood as she slumped to the ground, her hands still shaking slightly.
"Your my friend Will. Why wouldn't I come back for you?" She whispered before coughing again. Will's eye widened as he watched (Y/n)'s bright (e/c) eyes close slightly. Mabel laughed evilly before picking up (Y/n)'s limp body. She threw her to the ground a couple times before using her whip. Creating a bloody gash over her right eye. Mabel was about to hit her again when a yellow magic stopped her. She dropped (Y/n) and whipped around to face Bill.
"LET GO OF ME! WE HAVE A DEAL!!!" Mabel screeched, making Will flinch. Bill laughed insanely.
"Even though I find pain is hilarious, I can't let you harm the human. Since she killed Dipper, the one I made the deal with, it means I can now hurt you freely." Bill said simply. Mabel growled.
"DIPPER IS NOT DEAD!!! HE WOULDN'T LEAVE ME!!! STOP LYING DEMON!!!" Mabel yelled, thrashing around. Bill yawned boredly.
"I don't lie when the truth is painful enough." Bill replied before snapping Mabel's neck. She fell to the ground next to Dipper, lifeless. Bill sighed and glanced at Will.
"Come on wimp. We need to get the human back to her house. Such pathetic beings, humans. Can't even stay awake from loosing a little blood." Bill said coldly. Will nodded and scrambled to his feet, wincing slightly. He picked up (Y/n) and the two demons teleported to (Y/n)'s house. An aware of the small girl watching from the shadows.

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A = n
F = j
I = v
V = ^
Z = +