A/N -Before I begin this fiction I just want to say that An Evening Out is finished. I'm not going to update or add new chapters. I'm thinking about maybe making a sequel under a separate title but I'm noot sure as of yet. Sorry that the ending was unclear but I hope you enjoy this

One last word- Thank you to all the wonderful reviewers and readers- I love reading what you have to say and if there's anything you can think of to correct in my writing please say so. I want to improve as much as possible. Okay finally i'm done. Thanks for reading and reviewing.

Enjoy!

"You're lucky I favor big t-shirts" Clary said handing Jace one of her pajama tops. It was gray with big lettering for a comic con she'd been to. Jace took the shirt turning around wordlessly. Clary watched him strip for a moment, staring dazedly at the muscles rippling in his back before realizing suddenly that she was supposed to be looking in the other direction. Red heat burned her neck and she reminded herself – for hardly the first time that night- that she wasn't supposed to stare at Jace. That she wasn't supposed to be awed by what she saw but instead vaguely disgusted at the blond boy just for the simple fact of his existence. Clary bit her lip, she couldn't even fathom how she was supposed to do that and found that despite her mental protests she was still unable to peel her eyes away from Jace's lean and well muscled back.

"That's okay," Jace spoke confidently, as if even with his back turned he could sense Clary's gaze and corresponding embarrassment. A warm burning sensation twisted through Clary's stomach at the cocky assurance in his voice. She knew she wasn't supposed to be watching, was supposed to have averted her eyes by now but could only look away when the gray fabric of the tee met Jace's gold touched back. "I don't mind you watching," the blond boy saidand spun gracefully to face her. His gold eyes were confident and self assured- assured of Clary's undeniable attraction. Clary's face turned instant scarlet and she quickly averted her eyes. "Pants, you need pants right" she muttered trying to ignore the irregular pitter patter of her heart in her chest. Jace shrugged nonchalantly but his voice was serious when he spoke, "unless you prefer for me to sleep in the nude." His face was all sarcasm but his tone posed a real question and Clary's hand faltered on the handle of a drawer. Something inside her smoldered and spread an embarrassing pink across her cheeks. She felt Jace's eyes and knew that he saw her slight hesitation. One night, Clary's mind gritted out. Jace only needed a place to crash for one night but already Clary was having difficulty with his presence. Clary breathed in a slow breath telling herself to just deal with it; just ignore his proximity, ignore the sight of him all golden angles and beautiful face and even more dazzling body. Clary almost groaned aloud. This was truly impossible.

"I can't give you anything of mine," she replied after a second and Jace noticed how she purposefully avoided his gaze. He frowned to himself. He hadn't meant to sound so serious, hadn't meant to sound so truthful- or hopeful. "Maybe Luke…" the girl mumbled then escaped quickly into another room. Jace sighed softly to himself. It had been like this since he'd gotten here. The air around their two bodies was so charged with electricity it could power a small machine. Jace hadn't realized seeing Clary in her own element would be so intimate. The petite girl was everywhere, a flash of red- splash of color around the messy apartment. The apartment itself was not obnoxiously large but it felt impossibly small whenever Jace and Clary happened to be in the same room. Her sweet floral scent lingered in rooms long after she'd left teasing Jace mercilessly, telling him if he could not suffer her touch he'd suffer her scent. Her half drunk coffee mug with a ring around the napkin under it lay on the kitchen counter, the imprint of her lips pressed against the cooling cup. There were special books set aside just for her and Jace had never felt more like he'd entered a private chamber- a world- Clary's world uninvited.

The redhead returned to the room feeling slightly more in control of her emotions. It was a stupid comment she told herself once again, nothing to freak out over. So why was she still picturing Jace shirtless? Clary wrung the sweats in her hands, forcing the image out of her mind. Jace eyed the sweats in her hands and gave her a funny look. They were at least too sizes too big but Clary was too emotionally spent to care. Her determination was fraying and if she didn't get a moment free of Jace soon she knew something- probably her control- would snap. She pointed tiredly to the ties around the waist, "it has a drawstring." Jace nodded his assent and Clary was relieved to see that he took the sweats into the bathroom to change. The girl sank heavily onto the edge of the bed breathing out an exhausted breath. Her heart was racing too fast in her chest and she felt jittery like she'd drank too many coffees in too short a time. She sighed softly. It was a physical pain Clary felt around Jace. The ache of restraint; of touching him briefly, averting her eyes, never staring at the beautiful boy in front of her. It killed Clary to hide what she wanted so badly to be open and accepted but that was the reality when you were in love with your brother. Clary's hands covered her face, she didn't think she could take anymore.

Jace had only been here one afternoon but already the situation was becoming impossible. Everywhere Clary turned he was there- making her heart beat unnaturally fast, turning her hands suddenly clammy and causing her mind to shout loud exclamations of the detest she should feel- but didn't. Jace's gold eyes tempted and teased Clary everywhere she went- eating at the kitchen table with Luke, sitting on the sofa watching TV and just a moment ago standing in the guest room, her bedroom. Clary could find no respite. His gaze made her transparent, his eyes could see past her resolve, see the burning flames of desire seething under her skin. Worse, was that the longer Jace stayed the harder it was for Clary to control herself, remind herself that they were brother and sister. Hot unashamed want swept through Clary and she wished fleetingly that there was some other place for Jace to go, some Shadowhunter safe haven, then she mentally kicked herself. What kind of sister was she trying to dump her brother on someone else? The kind that wishes you weren't a sister an unwanted voice whispered. Clary held her head in her hands, shaking it with frustration. Why did this have to be so complicated? Clary wished she could think her feelings- then at least they'd make some sense.

That's how Jace found the redhead when he walked back into the room minutes later; her head in her hands. "You alright" he asked with eyes narrowed in concern. Clary's red hair was splayed over her hands appearing as blood over sweet ivory. Jace hesitated at the edge of the doorway realizing he'd walked in on a private moment. He could recognize similarities in Clary's bowed position- it was the same one he'd taken many times trying to riddle out how exactly he'd managed to fall for the only person he was not allowed to love. Jace groaned softly; knowing that he was once again the cause of her distress. It was an unimaginable feeling- knowing that your love was killing someone else, that the only good thing- right thing you've ever felt made the person you loved sick. Clary looked up startled by Jace's approach and he felt his heart pause its beat as her gaze roved over him. He stood motionless, chin tilted slightly, daring her to find something about him that she didn't like. He knew she wouldn't- that she couldn't. Jace was fully aware of the effect he had on Clary, already knew that she thought he was beautiful and yet, his heart continued to hesitate- to wait for Clary to finish her inspection before it could start again. Jace wished she would hurry. The power of her gaze had his muscles pulled taut, fighting against the feelings she so badly wanted to pretend didn't exist between them.

"Yeah I'm fine" Clary answered. She stood swiftly, breaking off the stare she'd initiated but noticed how Jace's chest heaved a breath as if he'd been holding it. Clary tried to look away but Jace's eyes caught her, searing her with his intensity; making it that much harder to be alone together- in her bedroom. The silence was tense as Jace's gaze flicked to Clary's bed and away. "The couch is kind of lumpy" he admitted in a slow strange voice. Clary frowned at the sound. She couldn't remember Jace ever sounding so strained before. Her eyes immediately sought his but he wouldn't look at her, only resting his gaze on the things past or around her- especially not looking at her bed. Clary stared in quiet confusion before realizing that Jace felt awkward. The realization only served to remind her of her own accelerated heart rate and why exactly that was. Jace stood in front of Clary radiating golden light that she could never have for herself. Awkward was something Clary understood all too well. She sighed, "sorry but Luke is kind of into antiques. It took me forever to convince him that he should get a tempurpedic and even now he swears that box springs are the be all and end all of-" Clary bit off the end of her sentence realizing she was rambling. She clasped her hands together to quell the nervous tremble shaking them. This was just Jace, she told her frantically beating heart. The same Jace who was sarcastic and annoying and obnoxious she told her trembling hands. The same Jace that leaves your heart hurting, her body said back, makes your blood bubble in your veins, it said, the same Jace that- Clary cut off her thoughts before the strength of their truths had her ripping down the walls of progress she'd made.

Jace's face was amused and cautious as he regarded her. "Could I sleep here" he asked suddenly. All the air rushed out of Clary's chest like she'd been sucker punched. "What?!" she asked alarmed by his question. Her heart felt like a hum in her chest and Clary was sure her temperature had climbed several degrees. Jace shrugged casually but his eyes smoldered with an intense heat. It was terrible to see but even worse to feel and Clary could feel the burn. "I would sleep on the couch and everything," Jace continued. "But it looks like it could swallow me," he said, "and I don't want impose on Luke anymore than I have already." Clary blinked at him- Jace had said that so smoothly; not one inflection in his tone nor anything in his eyes to hint at fallacy. Except, of course, the fact that it wasn't true. Clary's head felt unnaturally light but she forced her body to be rigid.

Jace saw the internal struggle she was having- knew that she felt just as he. That what he asked was wrong, but they both wanted so badly for it to be right. Restraint between them was labored and Jace knew that he was not making it any easier for either of them, but couldn't bring himself to care. His mind was intoxicated with images of Clary. Clary in his arms, Clary's hands around his neck pulling him down to meet her lips with his, Clary's body huddled into his. Pleasure spread through his body as an angry voice yelled at him. Sister, your sister it shouted. Jace's smirk was purely mental as he thought, I know.

Clary shivered knowing that she should refuse, her mind was screaming at her, every moral she'd ever heard, every story about some girl who'd made one wrong decision and ruined her life was coming back to taunt her as Clary found her mouth opening and saying, "okay." Jace didn't smile or make any kind of victorious expression that would give her any reason to think he wanted to sleep in her bed for any other reason besides materialistic comfort. He didn't even act as though he enjoyed the idea of what he'd proposed. But that didn't stop nervous excitement from transforming into a shiver that ran up Clary's spine as Jace moved to pull back the covers on the bed, turning to ask her only, "what side?" Clary's mouth felt dry and full of cotton but she managed to mumble something about the right and Jace slid fluidly onto the left. Clary couldn't help but stare in awed shock at the beautiful blond boy- marveling at how his golden touched skin seemed to make him glow in the drab bedroom. Jace's eyes held hers in a bond that was unbreakable- Clary had heard Jace's casual words, saw his shoulders sag in a shrug, all casual, uncaring things. These actions were immediately cancelled out by the passion in his gaze now- his eyes burnt her like a branding iron. She was his.

"Are you going to stand there all night" Jace asked her calmly. His voice broke her reverie and Clary shook her head. "I'm going to change" she mumbled then grabbed the first items of clothing she touched and walked quickly into the bathroom. When Clary shut the door behind her, her hands were shaking. Her heart was pounding in her chest and her cheeks were flaming pink things on her face. "Breathe" Clary coached herself quietly. She'd never had this kind of reaction to Jace before. But he'd never asked to sleep with her before either. Clary's stomach was so full of fluttery butterflies she thought it would hover around inside her. "Relax" she commanded herself as she stared into the mirror for full effect. What she saw didn't help. The girl in the mirror was cute like a child, not beautiful like Isabelle or sexy even. Her hair was redder than red a bright flame on her head, her lips slim, nose slender, her face still slightly rounded with youth, her eyes the only slightly rectifying quality- a piercing shade of green. Even with them though, Clary looked too much like a child. She wished that her features were more mysterious, exotic but took the thought back quickly, Jace didn't want someone exotic or different- he wanted Clary.

Clary was taking a long time in the bathroom but Jace lay in the bed patiently waiting for her return. His mind kept rewinding Clary's reaction to his words- how she'd been stunned but not disgusted. Not aghast with abhorrence but almost eager. And she hadn't said no, hadn't told him what they both already knew- that any kind of relationship was impossible, that any kind of anything was impossible. Jace looked up suddenly at the sight of Clary in the doorway. He wondered again why Clary didn't know she was beautiful- how she could be oblivious of her own delicate feminine beauty. She was truly the most beautiful girl he had ever seen- captivating him with more than just her face. Clary had this way of making Jace feel right, something he'd only ever felt with his father. Jace belonged somewhere- with Clary. His heart beat a feverish rhythm in his chest, it was just as utterly destroyed by this girl as Jace .

This was a bad idea Clary knew. Jace shouldn't be in her room, shouldn't be in her bed, but Clary's legs moved towards the bed anyway and her hands pulled back the sheets to slip under them. Jace was silent as Clary climbed in the bed with him. Neither one of them said anything; the only things heard in the room were the accelerated beats of their hearts and the slightly shallow puffs of air coming from both of them. Clary knew she should feel overcome with guilt, shame or even trepidation at what she was doing but was surprised to feel none. Nothing but the pounding of her blood in her veins and the burning power desire had as it rushed through her body. Her body ached in its rigidity to go pliant, to melt into Jace's warmth, breath in the scent of the Shadowhunter boy. Clary held herself tightly on the edge of the bed. She was cold in her flimsy pajama and knew with aching truth that Jace would be warm, that his touch would make her body go instantly hot but Clary could not move that short distance to him. Though she and Jace were lying in the same bed under the same blankets and sheets they might as well have been sleeping on separate continents. "The lights" Jace said breaking the silence. Clary reached over to close her light but found the lack of light only heightened her senses- and desire. Her body tingled, all senses tuned to Jace. She could hear the slight movement of air coming in and out of his nose. If she strained she could almost hear his heartbeat or maybe it was her own pounding in her ears. "Isabelle and Alec shared a bed when they were little" Jace said very softly, shifting minutely in the bed. Clary couldn't respond to him. Her breath was caught in her chest- her entire body was burning though he wasn't even touching her. His presence so obviously close to hers was suddenly overwhelming and she felt she was drowning in a sea of gold.

"You don't have to be nervous" Jace told her after a paused moment. Clary lay impossibly quiet and still next to him. She must be feeling what he was Jace thought- must be almost quaking with tension pulled to its thinnest rope- she must be, but Clary was silent and the quiet taunted him. His own pounding heartbeat, nervously trembling hands embarrassed him by the lack of reciprocation on her part. Jace couldn't stand the idea that the redhead felt nothing, that she was lying casually next to him as if this were really nothing, like they truly were only brother and sister with nothing more. Jace himself was fraying- on the very edge of reaching over to grab Clary, to kiss her, pining back her arms and leaning over her so he could feel the furious pound of her heart against his. Feelings were like millions of open wires zapping Jace and he couldn't distinguish one from the other, knowing only that he could feel. Could feel his held back passion banked and waiting. "I'm not nervous" Clary whispered back finally and Jace was intensely relieved at the tone in her voice. It was shot and husky- low. A shiver almost ran down his spine at the sound but Jace only smiled, "then why are you so far away" he asked her. Clary didn't speak for a long moment and the silence was narrated by the steady tick tock of the clock in the hallway. Desire mixed with anxiety in Jace's chest and he felt for a nervous second that Clary didn't want this- that she was ashamed. The pain that thought caused him was something he'd like to forget but knew he probably could not.

"Clary if you want me to go" Jace said rustling the sheets as he moved to get up-"No" she exclaimed suddenly. Jace stared at the small ivory hand that had snaked out lightning fast to hold him. Her grip was tight and possessive and Jace couldn't help but notice. Clary loosened her hold self-consciously, "no, stay" she whispered so softly Jace had to strain to hear. He opened his mouth to object about to say that he was wrong, that this was wrong but was interrupted by Clary shaking her head. "I want you to stay" she said the words slowly, testing them out on her tongue. They were heavy but sweet and as soon as they were out Clary knew that they were true. That as soon as she'd known Jace would be staying over she knew this would be the result. She'd been fighting it all day long, trying desperately to escape the truth of her own feelings. Jace climbed slowly back into bed and Clary's heart sang in her chest, declaring the truth with its loud pound against her ribs. Jace's body was silhouetted by the shadows of the room and the pale moonlight coming in through the window. She saw how his chest rose and sank and knew that if she reached over to place her hand over his heart their beats would match. Clary sank back under covers realizing she couldn't run anymore, but as she turned to face Jace- she knew she didn't want to.

Jace moved to face Clary. He couldn't hear her rapid heartbeat but was sure now that it coupled his; that her breath was choking in her lungs too, that she felt hot- though it was quite cool. Jace tried to suppress the shake in his hand but knew that it trembled just slightly as he reached out to stroke Clary's bare arm. The petite girl sighed closing her eyes and inched her way closer to him. Jace's heart thrummed angrily in his chest but he was patient, caressing her arm with the ease and tenderness of old lovers who knew the value of time. Clary shivered at Jace's touch, warmth unfurled in her core spreading through her body like a flower blooming inside her. Clary moved slowly, hesitantly over to Jace, careful not to break the spell they were both under. All the lights were off in the house, the only illumination coming from the moon washing them in a milky glow. And the moon didn't judge them, didn't make faces or disgusted comments when Clary's leg bumped against Jace's and in all of a blink he was pulling her toward him and her arms were around his neck. It didn't do anything but bathe them in its light- immerse them in the safety and privacy of its glow as they shared their own long awaited moment.

Jace felt Clary shudder into his chest as his lips caught hers. Felt the girl run her hands through his hair and sigh into his touch. The building tension between them dissipated at that first touch and Jace's hands came around Clary's waist to pull her body closer to him. Clary kissed Jace back, unable to believe that she was doing this- that it wasn't just another one of her dreams. The only thing that kept her from passing it off as terribly real fantasy was the feel of Jace's tremendous heartbeat thudding against her own. Jace rolled over, cushioning Clary's body to his as he moved. The girl now lay underneath him, pinned between her brother and the bed. She smiled into his touch and pecked Jace's lips gently. Jace kissed her back but pulled away slowly and stared speechless at the girl in his arms. Clary stared back, her small fingers ran up and down Jace's chest sending tremors of desire rippling through him. Jace squeezed his eyes shut as Clary's hand carefully slipped under his shirt. Her hands gently traced the thin scars left by runes, recreating old patterns with her nail. Jace's mouth opened involuntarily and a rough breath escaped his mouth at the redhead's intoxicating touch. Deep in Jace's mind a voice was screaming at him- telling him this was not how his sister should touch him that he wouldn't touch Isabelle like this. Jace couldn't help but look down at the small redhead snuggled to his chest, running her fingers delightedly up and down his chest. This was not Isabelle.

Clary's fingers were eager for the feel of Jace's skin and she continued to run them over the hard smoothness of his chest. Jace was a warrior and had the body of one. His chest was all tightly knit muscle and hard sinew. His skin scattered with scars left from the numerous runes he'd received during his life. Clary's hand flattened so her palm was spread across Jace's chest and she was making slow rubbing motions as his hands gently swept up her back, enjoying the feel of her smooth skin uninterrupted by clingy fabric. Small shivers lit up Clary's spine at Jace's touch. She felt the soft rumble of his chest as he hummed a song- whispering words she couldn't understand, maybe French, under his breath. Somewhere deep buried in the back of Clary's mind she knew that this was not how siblings acted if they slept in the same bed- knew that this was not what Alec and Isabelle had done. Yet she could not bring herself to stop, could not detach herself from Jace's chest where she felt so right. Could not stop the contented sigh that exited her mouth when one of his hands reached up to run through her hair. Could not stop herself from tilting her head upwards and kissing him gently on the jaw. Clary knew that in the morning they'd have to pretend, would have to go back- but if this was what awaited the night, Clary thought, then she could surely stand the day.

Jace's hand stroked Clary's cheek the way he always wanted but was never allowed. His lips were soft and slow against hers- not like their first kiss which had been rough and passionate- this was different. Both parties worked hard to tame their wild animalistic passion, turning it into something sweet and tender. Their lips met in a fluid sensual dance, exchanging wordless intentions- explaining themselves in the ways they never could out loud. When they parted Clary rested her head on Jace's chest and smiled when he took her hand, twining his fingers between hers. Jace's arm lay lightly across Clary's back and Clary's hair spread over his chest like splatter paint across all white gold. They both lay quietly; slow breaths out of rapidly rising and falling chests- with even faster heartbeats. They both knew that in the light of the waking morning Clary's hand in Jaces's could only be obligatory comfort- that the arm he'd thrown lightly over her back was strictly brotherly protectiveness. But in slumber- the dark world where no one could see- they could be as they were- they could feel. And the pale moon outside watching was like a friend and it kept their secrets as they slept.

Okey Dokey- I'll probably update soon but don't expect more than a couple chapters from this- I'm not really writing big stories right now. So expect like 3-4 maybe 5 chapter stories but nothing like 10- 20. But hope you liked it. Thanks for reading and you review thanks for that too!