Disclaimer: I don't own Adventure Time With Finn and Jake

Title: The Hardest Lesson

Summary: Marceline's first month after becoming a vampire is... difficult.

Warnings: Mentions of blood, but nothing too graphic.

...

vhjhhf- Thanks!

mr. sakata- Yes, I have seen Stakes. It's what inspired this. =)

KoalSparks- I know! I haven't really looked around, but I haven't seen any 'fics about what all happened in 'Stakes' as of yet. Maybe I'm just not looking hard enough. =)

...

As Marceline had enemies on every possible side, travel was slow-going.

Sunlight, for one thing. Marcy had never really been one for hats, but if this kept up for too much longer- which it won't, 'cause she's going to fix this- she should definitely find a few. Animals were another thing- she could shapeshift and scare them off, but that takes effort, and she's going to need all the effort she can store up for this journey.

Humans, definitely, but she's always had a love-hate relationship with humans. Being a half-demon at a time when being anything but human is a big no-no doesn't exactly get her a lot of bonus points. Sometimes, if she's lucky, she'll find people like Two Bread Tom and that little girl, who don't care what you are so long as you can carry a tune and walk around in the daylight. But then there's the ones who'll attack you if your teeth are even slightly pointy. Marceline, with her infamous snaggle-teeth, can't rightly say she fits in there.

(Too many vampire souls on top of her already demon looks and blood, or so she suspects- she certainly didn't have this many pointy teeth when she was a kid.)

Not to mention, humans plus new-vampire equaled the biggest concern she had about this journey; her rumbling stomach. She needed to eat. Soon.

She can't have food- she throws it right back up. She'd hoped to have made it too the city by now, but no dice.

"Ugh." She irritably curled in on herself mid-float. "Bad belly. Not gonna happen."

She likes humans, okay? There, she said it. Despite being a bit of an outsider and not having any real 'normal' friends- at least, not for long- Marcy likes people. People are human. Her mom was a human.

Man, Marceline really wished she could see her mom right now. She always took junk like this in stride.

Well, you can't. Deal with it.

So people are out- even the mean ones. News of a vampire hunter turned vampire spreads like wildfire these days, and Marcy isn't gullible enough to believe that this is going to stay her little secret. Hunters everywhere are sharpening their stakes, just waiting for the chance to see her and attack.

Ignoring the shiver of fear that ran down her back and did a jig in her rumbling gut- you would've done the same thing- Marcy suddenly remembers that humans aren't the only ones who have blood in them.

But there's a dilemma there, as well. Marceline likes animals. She's not too cold to admit to love cuddling with kitties and puppies. A cow isn't a kitty, sure, but it's still a living, breathing creature.

"Well, that settles that. No blood for you, mister." Marceline poked her stomach to make sure it got the message. She flies a few more feet before the stench of cow (a herd of which is only a few feet away, which is why she was contemplating a meal in the first place) hits her all over again and it's all she can do to stay above the ground. "Okay, okay. But just this once."

She's turning into a real, blood-drinking vampire. She hates everything. She hates The Vampire King. She hates vampires. Heck, right now, she hates herself.

But it's going to be okay. She's going to fix this. All she needs is a full belly- or a slightly full belly- whichever one didn't kill the poor beast- and then she'll hit the road.

For the first time in her entire life, Marcy feels her teeth grow. It doesn't hurt- not like she'd expected it too. It's kind of... tingly, almost. She's had these teeth for years now, but only now can she actually do anything with them.

She's actually built for this, she realizes. Being half-demon, and, therefore, already a predator, has its uses.

If there's anything good about being in the apocalypse, she supposed, it's that nobody really owns anything anymore. She'd feel really bad if this was some random farmer's cattle. But they're not- animals of all sizes have been roaming free ever since the bombs.

Marceline pounced.

Holding the creature down with arms strengthened through shapeshifting, she sunk her teeth into the cow's throat, feeling her stomach give a lurch at the pitiful noises it was making.

The rest is... messy. A full belly does not equal a living cow, she finds out. She'll spare the details. Wiping off her mouth- which is covered in red- Marcy shudders and zooms away at top speed, grabbing her guitar as she passed by.

She'll fix this, she tells herself over and over again.

Somehow.

Author's Note: So, I know these chapters aren't the longest, but it's a short story with short chapters, I suppose. =) If you hadn't noticed, Marceline is slowly but surely panicking.

Marcy's trying, but, judging by the vampire hysteria, nobody knows that vampires can eat just the color. But she'll find out. Obviously.

No flames! Don't like don't read! Review!