Author's Notes: So this chapter turned out to be pretty much pure smut and nothing else. Oops! I nearly called this chapter Vampire, but I thought it might put people off reading. Just to be clear before you even start, neither of them are actual vampires!

Thank you for the reviews/follows :)

Chapter 6: Mysterious

Unfortunately that didn't help him the next day when he woke up once more with the same problem he'd had everyday that week. He took himself off to the shower to deal with it in the end, fed up of feeling dirty and using endless cleaning spells on himself. Afterwards he lay on the bed, half dressed, listening vaguely to the sounds of Isabelle having a shower. She wasn't pleasuring herself in there today as far as he could tell, but that wasn't stopping his body from reacting to the idea anyway.

Merlin, he'd only just come less that twenty minutes ago, what the hell was wrong with him? He'd always prided himself on being able to get it up quickly again afterwards, but this was just ridiculous.

He rubbed vaguely at the growing lump in his trousers, hissing at the muted sensations the fabric produced as it slipped over his cock. He snatched his hand away when he realised what he was doing and ran his hand through his hair instead. What had happened to that resolve of his to get in control? It had gone quite well yesterday. Maybe if he just pushed it a little further today he'd have her wrapped around his finger again.

He lay there for a while, playing out various scenarios in his mind and trying to decide which one would be best, occasionally catching himself when his hand slipped back to that bulge in his trousers that just didn't seem to want to go away, when he was startled by the sound of someone slamming their hand hard against his door.

"Get the fuck out here Malfoy!"

Bloody hell! What the fuck was Isabelle doing? She sounded angry enough to commit murder. His murder probably if he opened the door.

"Right now Malfoy or I'll hex your bloody door off its hinges!" There was more banging on the door and it rattled in the frame.

There wasn't really much choice. He strode over to the door and yanked it open, prepared for an enraged witch on the other side. She certainly did look enraged, but she also looked dishevelled. Her hair mussed, her blouse half hanging open and… bloody hell! She was naked from the waist down.

"What the hell?" he demanded, feeling his cock harden further at the sight of her half naked body.

"Fuck me Malfoy." Without waiting for a response she launched herself forwards, locking her arms around his neck and crashing her lips into his. He didn't need telling twice. He caught her weight as she wrapped her legs around his waist and returned her kisses equally forcefully, pleased when he found she was light enough to support with one arm and he could adjust her body so he could slip his own hand between them and undo the fastenings of his trousers.

It didn't take long for him to slip them down and he kicked them off his ankles, feeling Isabelle trail her kisses down his neck, her lust clearly giving her a confidence she hadn't had before. He whimpered a little as she sucked on his pulse point, arching his neck back and pulling her hips closer so he could rub his now exposed cock over the wetness between her thighs.

"Fuck Isabelle," he groaned as she trailed her lips up his throat and back towards his mouth.

"I told you to fuck me Malfoy," she demanded, grinding her hips more forcefully against his as she writhed in his arms. Her desperation gave Draco back some of his control and he turned them round, slamming Isabelle back against the wall and pressing their bodies closer than ever.

"That's not my name sweetheart," he growled against her neck, licking and nipping at her hot flesh, determined to mark her in more ways than one so that she would damn well remember this fucking every time she looked in the mirror over the next few days and hopefully come back sooner next time.

There was that pause where Draco felt her tense in his arms, and he ground his cock against her more forcefully to distract her from whatever weird Ravenclaw sensibilities were stopping her giving in.

"Fuck me right now Draco," she hissed suddenly, her voice filled with frustration as her hands clenched on his bare shoulders, fingernails digging in painfully. She was biting her lip, eyes closed and Draco could practically feel the tension oozing out of every inch of her sweat slicked skin as she fought to stay in some semblance of control.

He smirked, lifted her higher and slammed his cock into her waiting hole.

The satisfied cry that it tore from her lips might have sent Draco over the edge if it wasn't for the fact that he'd already had one orgasm this morning. As it was he lifted her nearly all the way off and plunged inside her again and again, watching Isabelle carefully as she clutched at his shoulders and hair, her eyes closed and lips parted as she let him fuck her relentlessly.

"Yes, yes, fuck Draco, yes, yes…" Her vocabulary seemed to break down to that one word as he repeatedly hit her sensitive spot, and then without warning he felt her climax rip through her body and the word broke down into incomprehensible sobs of relief as she writhed against him, completely undone as he finally gave her what they both knew she needed.

As soon as her high started to fade he carried her through to his bedroom and laid her down on the bed, crawling over her and soothing her with firm, tender kisses until she ceased trembling and wrapped her arms around his neck, responding properly.

She hadn't actually cried he was relieved to find; the sobbing noise had been just that, a weird reaction to the much-needed climax. When he joined their hips again, and started to push against her, working himself towards his own much needed orgasm, he felt very much like he was going to react the same way. It shouldn't feel quite this good to fuck someone, but she was so tight, and already she was writhing underneath him again, her back arching off the bed as she encouraged him to push harder and deeper inside her, and he couldn't resist.

With a cry of desperation he grabbed at her hips, pushing himself upright and pulling her ass into his lap, starting to pound into her harder as his climax neared. He had no fear of not being able to hold back, he could see from Isabelle's expression that she was about to unravel for a second time.

"That's it sweetheart, come for me again," he gasped, tilting himself forwards so he was hanging over her and forcing himself to thrust harder and faster as her muscles tensed and her fingers twisted into the sheets beneath her. She came hard and just as suddenly as the first time, crying out his name, his first name, and arching her back towards him.

He caught her around the waist, pulled her upright and thrust brutally into her as her muscles continued to spasm around him, swallowing her cries of ecstasy with messy, slightly sloppy kisses before the heat in his abdomen became too much to bear and he pulled away, forcing her hips down onto his one final time.

"Oh fuck, Isabelle!" he gasped against her neck as he exploded inside her, rocking their hips together frantically as wave after wave of pleasure coursed through his veins. He could have actually cried with relief then and he squeezed his eyes shut, sucking hard on the flesh of her neck and holding onto her tightly as he resisted the urge to fall apart completely.

The urge only lasted a few seconds and when it passed Draco pulled backwards quickly and lowered Isabelle back onto the bed. She was blinking up at him and he tried to smirk back, but he rather thought that it had come out as more of a stupid smile than he'd meant it to and he flopped down next to her, distracting himself by looking in satisfaction at the marks now covering her neck.

"Feeling better?" he drawled, when he trusted himself enough to speak.

"Fuck off," she responded, although there wasn't quite as much anger or venom in the words as there had been on previous occasions. He took that as a good sign.

"You know, next time you want me to fuck you, try not to break my door down first."

To his surprise she actually sniggered at that. "Don't wind me up then," she shot back.

"Oh but sweetheart, it's so much fun," he murmured, propping himself up on his elbows so he could bring his face near to hers. It was a dangerous move he realised too late, because she captured his lips in a passionate kiss, forcing him onto his back and leaning over him, deepening the kisses until he could hardly think straight.

He knew this wasn't a good idea, it gave her entirely the wrong impression, but when a girl kissed him like this who was he to resist? Besides he was pretty sure that unlike the Slytherin girls he slept with, the last thing she wanted was a relationship. It was probably safe, he decided, though he wondered vaguely if this was just wishful thinking because he really didn't want to stop kissing her right now.

Eventually though they were forced to stop simply because they both needed to breathe. Isabelle rested her forehead against his and he smirked up at her.

"Interesting," he drawled, refusing to say more when she raised a questioning eyebrow.

"You're too fucking good at this Draco," she hissed. It almost sounded like an accusation, and he wondered if she was talking about the sex or the kissing. Not that it mattered.

"I know," he said, smirking again.

She made a noise of frustration and rolled off him, gathering her clothes with a slight flush of embarrassment now creeping over her cheeks.

"You know," he drawled as she made her way to the door, causing her to stop and look back at him in confusion, "I meant it when I said you're pretty good at this too. You just need some more practice. I'm available anytime."

"Fuck off Draco!" She turned and stormed out the door, but Draco grinned in satisfaction.

She hadn't called him Malfoy.

Three days later Isabelle was banging on his door again. This time when he'd flung it open she had been fully dressed and she'd scowled at him darkly as he raised his eyebrows at her.

"I have no idea why I'm doing this Malfoy," she'd spat, before she launched herself at him, all but knocking him over as she'd wrapped her legs around his waist.

He'd managed to balance himself with difficulty and had been about to carry her to the bed when she'd growled, "No, against the wall Malfoy," surprising him so much that he hadn't even complained about her use of his last name.

And now they were both naked, and her legs were wrapped around his waist and he was fucking her against the wall and it was so bloody amazing that he didn't actually know how he was holding back.

"You'd better bloody come inside me like this this time," she hissed into his ear as he pounded into her. The words sent a jolt through his body that forced him to temporarily stall his movements.

"Fucking hell Isabelle," he growled, reaching up with one hand to grab a fistful of her hair and yank her head up from where it was buried in his neck. He could see a pleased sort of smirk playing over her lips and he gave a groan of frustration as she wriggled her hips against his.

"Don't fucking stop," she whined, trying to use her hands on his shoulders as leverage to restart their movements. Draco brought his lips to her neck and nipped lightly at the flesh there, very much liking the hiss of pleasure it elicited. He bit a little harder and was rewarded with a whimper. Intrigued, he did it again.

Usually he took no time to figure out exactly how far he could push things like this, doing whatever the hell he liked, and aiming for a sort of middle ground where he knew it would feel good without causing pain. He had a feeling about Isabelle though…

He bit down, harder than he ever had done to any woman before and was rewarded this time with a sharp gasp and a jerk of her hips.

Interesting.

He decided not to push that any further right now.

"Say my name sweetheart," he purred, running his tongue over her reddened skin and up to her ear.

"Draco…" It was more of a whine than anything, accompanied by some more writhing as she tried to get him to resume his movements. He obliged this time, feeling back in control of his body at least for now and he pressed her harder against the wall, pushing her up so her could get a better angle and hit her sensitive spot all the harder.

"Fuck, right there," she gasped, her hands clutching at his jaw as he increased the rhythm, feeling his own climax fast approaching. He'd been wrong about the control, he realised. He couldn't stop this time. He was too far gone now, completely out of control as he looked up into her dark eyes, drinking in the sight of her flushed cheeks and dishevelled hair, and realising she looked so damn sexy that it pushed him too far and he came suddenly, gasping partly in pleasure and partly in relief as he felt his release push her over the edge too and she climaxed around him, taking him to new heights of pleasure as they both came undone simultaneously.

"Oh shit!" It was too much. As the spectacular high faded Draco felt his legs give way and he just about managed to find the strength to press himself towards the wall so they both slipped down fairly slowly, landing on the floor in a tangled mess of twitching limbs and sticky fluids as their bodies parted.

"I guess I am good at this." Isabelle was actually smirking at him he realised, when he found the strength to raise his head and look at her.

"Fuck off," he groaned, knowing exactly what she was referring too. He never lost control like that. He might be selfish and brattish and a lot of other not very noble things, but you didn't get a reputation as the Sex God of Slytherin by not bringing a woman to orgasm before you came yourself.

He buried his head in her neck, unwilling to look her in the eye any longer, but was forced to pull back when she gave a sharp hiss of pain.

"You bit me," she said accusingly, bringing her hand up to the angry red mark on her neck where Draco had sunk his teeth in a little harder than usual. He admired the mark for a moment, rather pleased that he'd left a temporary reminder of him on her skin and definitely glad that they were back on safer ground with this.

"Yes I did," he drawled, smirking at her as he recovered his pride, "And you liked it."

"You're not a vampire Draco," she said sniffily, "I'm surprised any girl wants to sleep with you more than once if you go around biting them all the time."

"I do not go around biting girls all the time," he said, rather amused at her apparent aversion to this after the event when she'd so clearly enjoyed it at the time, "Just you sweetheart."

"I've told you not to call me sweetheart," she grumbled, probing the bite mark with her fingers again as if hoping it would somehow go away. "And don't bite me again, it hurts."

"Fine sweetheart," he smirked, leaning forwards and dropping a light kiss on the mark on her neck, "I won't bite you again unless you ask me to."

Isabelle pulled a face. "I will not be asking you to do that again ever," she informed him, scrambling out from his arms and starting to gather her discarded clothes.

He watched her intently whilst she did this, enjoying the flush of embarrassment that crept across her cheeks when she realised he was watching. So damn confident when they were having sex, so ridiculously unsure of herself when they weren't.

"I think you will," he drawled as she went for the door, causing her to stop in her tracks and glare at him.

"Draco Malfoy, I do not want you biting me again!" she snapped, before storming out, leaving him to rest his head against the wall and grin.

"Harder Draco!"

It was two days later and they were fucking against the wall again, this time in the living area and Draco's teeth were nipping at her neck again. The other side this time.

"Fuck Draco." Her eyes were glazed over as she tilted her chin up, exposing more of her skin to his teeth. "Right there. Bite me," she gasped.

So much for her never wanting him to do that again. Draco smirked against her neck and latched his teeth onto her soft flesh, scrapping them over her skin as she writhed against his hips.

"Yes, like that. Fuck!" Bloody hell. He was going to embarrass himself again at this rate because this was too damn hot for words. He scrapped his teeth down her neck, biting down again just above her collarbone and then sucking hard on the skin there as she responded with pants and moans that told him she was close to her release.

"Shit Draco-ah- fuck. Fuck!" He bit down hard again as she came undone around him, bringing one hand round between their bodies to rub at her clit as she squeezed his hips between her thighs and took as much pleasure as she could from him. Only when she was completely spent did he pull back from her neck, wincing slightly at the bruise already appearing on her skin but grinning up at her all the same as she rolled her head forwards so their foreheads met.

"Your turn Draco," she purred, pressing her lips briefly against his as he raised his eyebrows at her, "You wanted to teach me about sex? Let me show you what I've learnt."

His cock twitched at this rather wanton display and he grinned to himself. She trailed her lips along his jaw, her tongue tracing briefly over his ear before she glided down the curve of his neck. He knew what was coming and he tensed in anticipation as he felt her teeth scrape gently over his skin. He hissed sharply, grabbing back hold of her hips and starting to thrust into her again, revelling in the post orgasmic tightness of her muscles.

He knew he wouldn't last very long, especially when Isabelle's teeth bit down more sharply ripping a strangled moan from his throat. He had no problem with being bitten, he just hadn't imagined it could be so fucking erotic. He felt her bite again and he was pretty sure it was hard enough to draw blood, but he couldn't have cared less because that wonderful heat was spreading through his abdomen and a second later he thrust his hips forward a final time and yelled as he released himself inside Isabelle, hearing her moan in pleasure against his neck as he ground himself into her as hard as he could.

"Bloody, fucking hell!" It was happening again. His legs gave out and this time he didn't push forwards in time to stop them tumbling backwards onto the floor. He landed awkwardly with Isabelle sprawled on top of him, sniggering against his neck.

"Very elegant," she joked, propping herself up on her elbows as she looked down at him.

"Sex is not supposed to be elegant," he drawled, "And I thought I wasn't supposed to bite you again?"

"You weren't!" she snapped, annoyance flashing into her eyes as she slapped her hand up to the side of her neck and pressed gingerly at her bruise.

"Well I'm sorry sweetheart, but you asked for it," he pointed out, smirking, "And you gave as good as you got." He raised his hand to his own neck where he was pretty sure he had a mark that was probably the same angry purple as those now covering one side of Isabelle's neck. On the other was the fading red evidence of the last time he'd done it.

With another smirk he rolled her onto her back and hung over her, bringing his face down so their noses were only inches apart.

"Face it sweetheart, you enjoy it when I bite you," he drawled, "Just like you enjoy it when I fuck you."

She huffed underneath him and folded her arms, eyes glinting up at him with annoyance. He liked this. They always argued after sex. It seemed to be their thing and he didn't know why it thrilled him so much.

"You know, you're quite hot when you're angry Isabelle," he purred, "It makes me want to fuck you all over again."

He wasn't sure exactly what response he expected to that, but he was surprised when she grabbed him and pulled him down into a kiss that was so hard it almost hurt.

"What the hell?" he gasped, when she finally released him and he sat up gasping and wiping his lips with his hand, convinced that there was actually going to be blood there. She was still looking at him fiercely as she scrambled up and gathered her clothes, shooting him one last glare before she disappeared into her bedroom.

He had no idea what that was all about, but it was certainly intriguing.

He put it down as one more mysterious Isabelle thing and went to take a shower.