Sorry I haven't updated in a bit! Any questions about the story? Go to my ask box on tumblr! I will answer all of them! :)

the tumblr is letterstomarceline (Sorry the site doesn't let me put links in the story)

She stares out the window, a letter wrinkled in her tight grasp. The letter however, is not what is dancing through her mind right now.

The day they met is crystal clear in her mind, she can almost smell the crisp Autumn air. Marceline was a mess of tangled black hair, her bass hung round her neck, music swimming through her fingers. Her music lured someone to the tall apple tree guarding her form the sun. A pink, candy girl stood before Marceline, bright-eyed and curious-looking, with thick, silky hair that looked good enough to nibble on. Especially to Marceline, pink was such a sweet shade of red.

"Hello, there."

"What are you playing?" The pink girl's eyes shined with curiosity.

"Oh uh, my bass guitar."

"No, I mean what song."

"Oh, I wrote it myself." Marceline imaged how good the pink would taste on her tongue.

"It's uh- I mean… You're uh… You're really good." The pink girl smiled and looked down at the grass.

Marceline blushed. "Oh, thanks, I uh… Yeah… Thanks." Marceline went back to playing again.

The pink girl sat on the ground and listened. She listened for hours while Marceline's fingers wove a new song, the sun shifting across the sky and eventually sinking with an orange sea into the horizon. Marceline finally said something.

"Hey, pinky." Marceline called out to her audience. "What's your name?"

"Princess Bubblegum." She grinned, proud of her regal title.

"No, dork, what's your name?" Marceline stood up and began to pick apples from the tree.

"Oh it's uh… Um." Princess Bubblegum stumbled over her words. "It's Bonnibel."

Marceline dropped the apples into her backpack and giggled. "Bonnibel?" Princess Bubblegum blushed, sitting in embarrassment while she watched Marceline sling the backpack over her shoulder and flash her a quick smile before leaving without even a hush of goodbye. A pink girl was left alone by an apple tree, while a vampire ventured off to find somewhere to sleep that night.

Marceline returned to the tall apple tree the next day, only to find a pink girl waiting for her in the shade. Bonnibel looked up at Marceline and smiled, "I brought you a sandwich."

Marceline hesitated. "I don't really eat sandwiches."

"Oh." Bonnibel seemed disappointed. "I was just trying to-"

"-Can I have the sandwich?" Bonnibel looked confused, but slowly handed her the sandwich. Marceline snatched it from Bubblegum's pink fingers and slid the tomato out, pressed it to her teeth, and drank the red from the cold fruit. Bubblegum watched in curiosity and awe.

"Wha- How did you do that?"

Marceline smiled, she had always loved shocking people.

And that's where their friendship started.

The girl glances down at the letter held in her hand again, a lump forming in her throat.

Bubblegum took note of all Marceline's tiny little details from that first encounter under the apple tree. For her, Marceline was a fresh taste of something adventurous and wild and new that Bubblegum had never experienced. Marceline lived the life Bubblegum was too afraid to live, she was free.

Marceline was the last thing on little Bonnibel's mind before she went to bed and the first thing that popped into her head when she woke up. She had never come across anyone like Marceline the Vampire Queen before. Bubblegum was completely and entirely consumed by pure fascination.

Maybe not pure fascination.

Marceline, on the other hand, was just glad she finally had someone again. Someone she could carry on a conversation with, Marceline was over 1000 years old, and yet she had never had a friend like Bubblegum. Someone who appreciated and took in everything Marceline said, someone who really and truly listened, attempted to understand every single word that crossed her tongue. Bubblegum was thirsty for adventure, and that was something Marceline could definitely provide.

"C'monnnnnn!" Marceline's pleading face was illuminated by the light flooding out onto her from Princess BUbblegum's open window.

"Marceline, I don't want to do this anymore…" Bubblegum sighed, sitting on the edge of the windowsill.

"Oh COME ON! You promised you would yesterday…." Marceline whined, sitting down next to Bubblegum on the windowsill, her long midnight hair cascading down her back.

"But… That was before I was actually about to climb out my window." Bubblegum frowns and begins biting her pink fingernails.

"You promised you'd come to this party with me!" Marceline complains again, throwing her head back in dramatic frustration.

"Bu-but my parents said Why-Wolves are dangerous…"

"Oh, whatever! Live a little, Bonnibel!" Marceline steps onto the castle roof and takes Bubblegum's hand, attempting to pull her out the window.

Marceline liked pushing Bubblegum out of her comfort zone and making her squirm. However, she couldn't stand to see her unhappy. Marceline would much rather see Bubblegum smile. Marcleine would never tell anyone, but she would have done anything to see Bubblegum smile or burst out in girlish laughter. It always brightened Marceline's day to know that she could make someone smile.

"I'm sorry I got you in trouble." Marceline apologized for the tenth time, sitting on Bubblegum's pink and fluffy bed next to her.

"Stop apologizing." Bubblegum demanded with a blank expression, her arms crossed.

Marceline paused, letting the silence inflate the room like a balloon until she felt so small.

"… What did they say?" She asked.

"They just lectured me about my 'royal duties' and told me I needed to grow up and act like an adult." Bubblegum left out the part where they rambled about what a terrible influence Marceline is, and how she shouldn't spend time with her anymore.

"Grow up? You're only 16! That's stupid." Marceline huffed and crossed her arms, her face arranged in an angry crumple.

Bubblegum stared at Marceline's crumpled face for a moment, and then smiled.

She laughed and then wondered aloud, "Why do you even care so much?"

Marceline never answered.

Bubblegum stared at Marceline for awhile, same bright smile stuck on her face and her eyes shining. Marceline turned and noticed her staring in that strange way. Her distraught expression faded and she returned Bubblegum's smile with her own sharp-toothed grin.

"Why are you looking at me like that?" Marceline asked with a laugh.

Bubblegum, like Marceline, never answered, even though the unfinished questions shared the same answer.

Marceline's smile disappeared, and she looked down toward the ground, her hair falling in her face.

"I really am sorry I got you in trouble…" Marceline said once again.

"Stoppppppp!"

"Really, the party wasn't even worth it."

"At least you got a new dress out of it though." Bubblegum laughed, noticing Marceline's new Why-Wolf skin dress.

Trying to stop thinking about it, the girl lets a single tear swim down her soft cheek and then opens the window in front of her. She looks down at the letter once more before tossing it out the window with her little pink hand.

Marceline,

You always tell me that I'm your best friend, that no one in the world could ever replace me. But i think that you should know that one day, you will replace me. You deserve a better best friend than me, someone who can't control what they're saying most of the time, and spends the rest of the time rambling about the love of his life who left him. Yes, you'll grow up and when I'm gone you'll find new friends, you'll start a new life, a real one. You might even find someone you can share love with, the kind of love Betty and I shared. Marceline, don't ever be afraid to love someone. I know it's scary because they might not love you back, or maybe one day they could stop loving you, like Betty stopped loving me. Yes, love is very scary, but it is an animal that can't just be locked in a box. Remember that.

-Simon Petrikov