Disclaimer: I do not, nor have I ever owned Big Time Rush.

A/N: Some of you probably know that a lot of my one shots can be a little bit weird, and this story falls into that category. I'd been wanting to write a story set in the Big Time Halloween universe, and I finally got around to writing it. It has a little bit of a twist to it, but I'm hoping the story itself works. I'm planning on it being a three shot, and it's dedicated to my fantastic writing buddy, Jatieluv. Our two year writing buddy anniversary passed exactly a month ago, so this is her belated present.

That being said, this thing is...different. For one thing, the writing in it is really unusual for me. It's in third person and present tense, which I almost never do, so if it's a little sloppy in places, hopefully that's why. The characters are also very different than how I usually write them, but I'm hoping it's a good change. The story title comes from the Halestorm song "Love Bites", which is an awesome song with an awesome name. Like I said, this is set in the Big Time Halloween universe, although it's not technically canon. James is 19 and Katie is 17, just because it worked better for the story. Oh, as always I also have to thank Dana2184 for reading the first part and enjoying it. If you get the chance, please check out her story "Cold Dark December".

Warnings: Vampires, stakes, mentions of violence, language, bad humor, stupidity, and strong sexual innuendos.

Enjoy the first part :)

Part I: Love Bites

James entirely blames Gustavo for Katie's sudden change in careers. As far as he's concerned, if it wasn't for Gustavo's need to completely dominate and control every single thing in their lives, he wouldn't be in this mess.

It's Gustavo's fault. Entirely his fault.

If he hadn't felt the need to mess around with the hot boy band machine, none of this would currently be happening.

James is totally cool with the whole "science is key" crap that Logan likes to spew, and he supports scientific discoveries because, after all, if it wasn't for science Logan and Carlos might be dead. Granted, if they hadn't volunteered themselves to get changed into monsters in the first place, death wouldn't have been such a legitimate concern for ten, long, heart pounding minutes during which they were hooked up to a bunch of wires and test tubes, their last moments of humanity and normalness and life trickling away like water in a sieve. James can still remember what it was like, standing on the opposite side of the glass wall in Dr. Rocquenstein's underground lair at Rocque Records, shoulder to shoulder with Kendall, 16 years old and his dead heart feeling as if it was clenching in on itself, as if it was curling into the fetal position. Because that was how James felt, how he knew Kendall felt, as they watched their friends writhe in pain, mouths agape in silent screams, the color of their skin, the basic genetic makeup of their bodies, all transforming into something alien and foreign, something unrecognizable. Carlos' clothes were ripped in pieces as his body expanded like the Incredible Hulk's, and Logan's right hand dropped to the floor seconds before it was over, crawling across the floor of its own accord.

James still has nightmares about that day, and what Dr. Rocquenstein has just done is not helping matters in the least. He's pretty sure he's going to be the first vampire to go insane.

Because what Dr. Rocquenstein has just done is seriously fucked up. Like, so fucked up James can't even wrap his head around it. Granted, he can't wrap his head around a lot of stuff, but this is taking it to an entirely new level. And he hates it. He just simply fucking hates it.

Because Dr. Rocquenstein has taken the hot boy band machine one step further in scientific evolution. He has never once used it to do anything besides turn monsters into normals and really, it petered out after one time. But he and Kelly, with Logan's help, managed to fix it, and now...Well. Maybe it was Griffin's idea. In fact, James is pretty sure that Arthur Griffin is at least partly to blame for what has happened. Griffin is just evil and corrupt and insane and psycho enough to think that using the machine on a teenage girl is actually a good idea.

In all honesty, James could understand why they would want to use it on Katie if they were trying to turn her into a normal. As a witch, she had a tendency to blow things up and set toads loose on the apartment. It really would have been better for everyone's sanity if she lost her powers, if only for a few hours.

But that's not what happened. Not even close.

One of those two selfish evil geniuses had the fucking fantabulous idea to see if it was possible to turn a "monster" into another form of monster. Because that just makes so much fucking sense.

The hot boy band machine was supposed to be used exclusively for hot boy bands, thus the name. But either Dr. Rocquenstein or Griffin decided that it didn't matter, that it would be totally, perfectly fine to stuff a 17 year old witch into the machine, hit the go button, and see what comes back out.

And that is how Katie Knight was turned into a vampire slayer.

As far as James is concerned, one vampire slayer in the world is more than enough. It's like the world needing one more Genghis Khan or Kublai Khan or one of those Khan dudes. Whatever. World history has never been his forte.

The point is, vampire slayers to a vampire is like what frozen yogurt is to ice cream - unnervingly unbeatable while being creamy and delicious all at the same time. You just can't win.

That's not to say that vampires and vampire slayers aren't able to get along. It's a taboo relationship by all accounts, sure, but every vampire slayer ends up hooking up with at least one vampire in her lifetime. After all, vampires like sex, they ooze sex appeal, and vampire slayers have a tendency to end up attracted to the dark, mysterious, bad boy type. James' history is proof of that. He's proud to say that at the ripe old age of 19, he's made out with the natural born vampire slayer, Muffy, a half dozen times. She likes to show up at the Palmwoodsylvania around Halloween and playfully try to kill him while flirting outrageously with him. The only thing that would make this whole relationship a little hotter is if she decided to stop trying to stake him just as he's about to get to second base.

A stake in the heart is a total mood killer.

The thing about having the whole love/hate/flirting/making-out relationship with Muffy is that she lives about a hundred miles away and only shows up about once a year. It's not like he, you know, actually lives with her.

He does, however, live with Katie. And waking up to her straddling his waist, her sleek and shiny wooden stake poised over his heart, is not his favorite way to start off his morning.

And that is exactly how his Halloween morning starts off. As a vampire, he might not need as much sleep as the living human does, but he does require it to function properly. If he doesn't get his full consecutive four hours, he winds up cranky with pain shooting through his fangs and his glittering skin looking dull and lifeless. Kind of like Logan, who ever since the transformation has had a not-so-subtle greenish tinge to his flesh.

James groans. Normally he has no problem with waking up to a girl straddling him, and he would mind even less because it's Katie and he may or may not sort of be into her, but the stake pointed at his heart is a bit of a turn off and he's just not kinky enough to turn the whole thing into a sex game. Plus, as Logan likes to remind him whenever he's been staring at her legs or chest for too long, she's still only 17 and is therefore off limits.

Of course, James never really pays attention to what he is and is not allowed to do, but he doesn't actually want to make Kendall go all psycho-werewolf on him, so he keeps his thoughts to himself.

And once again, there's the whole mortal enemies theme going on, which makes it a little hard to really imagine a relationship between them. Hot sex? Fuck yeah. A beautiful, wonderful relationship? Not in this eternity.

"Katie, we've been over this," he begins, voice hoarse and groggy from sleep. "You're not allowed to kill me when I'm sleeping. Your mom even said so."

She flashes him a bright smile, which is a little off-putting as she hasn't exactly turned her stake away yet. "I know. I wasn't trying to kill you. I just wanted to say Happy Halloween."

"You couldn't do that without a stake in your hand?"

Katie shrugs. "It's always nice to have protection."

"Yeah, it is, but you don't see me walking around with condoms in my back pocket." He attempts to roll over but she's unmoving. "Katie, please get off."

She smirks. "You'd like that, wouldn't you?" She moves the stake a fraction of a centimeter over, and then slides it down his sternum, being careful to press the side against his bare skin so that she doesn't scratch him. It's times like these when he feels like she really cares.

He could still do without the stake-play, though. It's a little weird.

But Katie continues on, twirling the stake between her fingers before lightly using it to trace his abs, and his breath catches as he sees the look of concentration on her face, the way her brow furrows as she moves the stake just above his stomach, eyes sliding down to the light dusting of hair that's trailing into his boxers.

Speaking of which – his boxers. They are doing very little to hide the fact that he may or may not be just the teeniest tiniest bit aroused. Which, he would like to point out, makes absolutely no sense because seriously, this is just a weird and awkward situation.

But if she feels like tossing in a hand job he won't mind in the least.

Katie lets her fingers follow his happy trail down to the waistband of his boxers, but she stops before he can really understand what's happening. His mind is already blown from having her hands – and precious stake, which, okay, really is very terrifying – all over his body and he's not actually able to form any coherent thoughts right now.

She crawls off of him and he takes the opportunity to roll over onto his stomach, folding his arms and resting his head atop his hands.

The next thing he knows, there's a creak of bed springs and then she's on his back, knees locked around his hips, hands warm and smooth against his back muscles, a welcome change to his naturally cold temperature.

Sometimes being a vampire sucks.

"I think you've passed the point of saying Happy Halloween," James manages to point out, and he can almost see the way Katie's lips curve up into a smirk. "And you can't actually stab me in the heart when I'm on my stomach."

"I'm aware."

"So why are you on top of me?" He figures it's a pretty logical question. It's not like she's actually ever used him as a jungle gym before, and he'd kind of like to know why she's suddenly exploring his body like it's El Dorado. He has a very impressive body, everyone in the world knows that, but she doesn't exactly make it a point of telling him on a regular basis. In fact, up until two minutes ago, he had no idea she appreciates his body so much.

Still not something he's going to complain about.

And he's still wondering if a hand job is in his near future.

Abruptly, Katie gets off his back, clearly done with her exploring. He turns his head, cutting his eyes to her.

"What was that about?"

She shrugged. "A good slayer knows her target inside and out."

The words make his stomach twist and turn and curdle and churn in a way that reminds him of that one time he got really horrendous food poisoning off of a fish sandwich. But what really hits him is the realization that her hands weren't all over him because she likes him and would like to be with him in any particular way. She was only memorizing his body because that's what she thinks she should do as a slayer. It's a cold, clammy reminder that everything between them is different now, a growing distance, the canyon gaping between them, a deep reminder that they are mortal enemies and that no matter what history they have together, no matter how many times he reminds her that he helped teach her how to ride a bike or helped her with her seventh grade math homework, she will always choose her newfound duty over him and that's just the way the world works.

Life is a bitch and he can't even die. He's already freaking dead! This is so unfair.

He finds himself moping around the rest of the day, avoiding Katie at all costs in case she has a stake with his name on it at the ready.

Sheesh. Every other vampire gets to hook up with vampire slayers. It's an unspoken tradition. Look at Buffy and Angel. Look at Buffy and Spike. Look at James and Muffy. It's natural for vampires and slayers to want each other, even if it's just for a simple fuck. But Katie doesn't seem to realize that or comprehend it.

But maybe...huh. He bites down on his bottom lip as an idea flashes bright in his head like a light bulb switching on. He's sitting down in the crowded lobby of the Palmwoodsylvania, ignoring Bitters floating around all creepily behind his desk, and even the noise and ruckus from excited monsters and normals can't get in the way of his big plan – the plan that begins with them having it out, and ends with them going at it in a supply closet.

It's a foolproof plan.

And so it's with excitement that he spots Katie getting out of the elevator, just as dark is beginning to fall and the moon is starting to rise high in the sky. It's not something James particularly needs to worry about, because he's a vampire and full moons don't affect him in any way. And ever since Kendall told Jo about his monthly hairy situation, she's been taking him out to the graveyard during full moons and throwing a Frisbee around for him to chase. Sometimes she even gets a hold of an errant mailman just for him.

It's true love.

Katie is in green camouflage hip hugging cargo pants, black boots, and a pink cropped tank top that shows off way too much cleavage for James' comfort. Nevertheless, he rises to his feet to meet her, thinking that someone should have stopped her from going through puberty and turning into a super hot girl because he is so not okay with how much she is affecting him right now.

His nostrils flare slightly as he catches a whiff of something warm and spicy, perhaps cinnamon, and a sniff tells him that Katie is oozing it. She smells like gingerbread, all fresh and warm from the oven just like his mom used to make it on cold December days. He can still recall sitting in front of the living room fire with his gingerbread cookies and sipping hot chocolate, staring into the flames and feeling safe and complete. Perhaps it was the only time during his childhood that he ever really, truly felt like a kid, but at least he has those memories to follow him into his life of eternity.

Immortality is beginning to look less and less appealing. He's getting a little tempted to grab Katie's stake from her and shove it into his chest, although with his luck he'll be the one vampire who can't die from a stake to the heart and all that'll end up happening is him experiencing a lot of fucking pain for a dead thing.

However, it's times like these when he knows he's not really actually dead. If he was, he wouldn't feel that familiar stir in his pants or a sudden heat racing through his veins. He wouldn't be wondering if Katie's wearing that purple lace push-up bra he knows Camille got her for her birthday because "every girl should have at least one nice set of lingerie", nor would he be contemplating if he'll ever get to be the lucky guy who takes her virginity, assuming she didn't already get it on with one of her professors at that damn slayer training camp she went to last summer.

The thought makes his blood boil and he can literally feel it gushing through his body like liquid flames, burning and wet and oh fuck. He needs to stop thinking about the idea of Katie sleeping with another guy because he was possessive when he was alive and he's even more now as a vampire. And it's expected, vampires are known for their possessiveness and jealousy, it comes in with the fangs and the urge for Type O blood, but really, he's about ready to go twist off every guy's head who has ever had an inappropriate thought about Katie.

And with the way she's dressed right now, there wouldn't be any guy left in the lobby besides, well, him. And that's just because he can't twist off his own head. He's talented in many ways, but even he has his limits.

Katie blinks up at him as he approaches, twirling the stake around and he gives it a wary glance before turning back to her. "I think we should have this out once and for all."

She stares at him in utter confusion. "Have what out?"

"This. You secretly wanting to kill me."

"James, I don't want to kill you."

Hah. Yeah. Like he really believes that. He woke up that morning to a fucking stake pressed into his chest. He's not that gullible.

"Bullshit," he spats out, sounding a little more angry than he intends to, and she takes a step back as if he slapped her. "You do want to kill me. You're a slayer and I'm a vampire."

"Don't vampires usually want to kill slayers?" she counters, propping her hands on her hips.

"Normally, yes. But I'm a nice vampire." He flashes her his charming smile before it occurs to him that his incisors are a lot more sharp and pointed than they were when he was alive. That might not help his case.

Katie quirks an eyebrow, showing her skepticism.

"I am!" he insists, frowning at her apparent disbelief. "I haven't tried to kill you, whereas you use me for target practice on a daily basis."

It's true too. At least once a day, he has to duck and dodge out of the way to avoid the sharp little piece of wood flying his way. Twice it's landed in his hand. Three times it's caught him in the stomach. And four times it's come dangerously close to his heart. And yeah, it hurts like hell, knowing that this girl, this girl who he's been in love with for the past year, who he would do anything for, who he just wants to be with, would like nothing more than to have him dead, that what remains of his life, no matter how fragile it may be, means so little to her that she's completely casual in the way she goes about trying to take it. That it's nothing more than a game to her.

And it's that thought that sends his entire world crashing down. It's that thought that causes him to gasp for breath and almost choke, almost cry, when his lungs don't expand. It's that thought that makes him suddenly long and crave and itch and just die to be human, to be normal, to be alive.

But he's not. He'll never be alive again. He'll never be anything more than a parasite feeding off of other people's weakness. His fangs are there for a reason, a reminder of how another person's pain can help to quell his own.

He fights back a wail, trying to breathe but there's nothing there, no expansion or contraction, no nothing. And he can no longer feel the blood rushing through his veins. The fire is gone and the only sensation he's aware of is cold, icy numbness. It is not a good feeling and all he wants to do is go curl up in a ball somewhere and never come out.

James is on the verge of tears now, a huge lump rising in his throat and his eyes are stinging and fuck it! He doesn't cry. He didn't cry when he was bitten that cold winter night on a back street in his hometown, and he sure as hell isn't going to cry over a vampire slayer. After all, if she can't love him, fangs, blood obsession, and all, then she isn't worth his time.

And it's with that final realization that he mutters a "Never mind" to Katie and strides across the lobby, slipping through the door and out into the dark netherworld, the unknown just inches away from his fingertips.

Yeah...so...that was Part One. I'm just going to go ahead and say thank you for reading, I hope you enjoyed it, and please review :)