"Secrets of the Family Black" by Meg

A/N: I don't own Harry Potter…I simply enjoy using the characters conjured up J.K. Rowling for my own sweet pleasure.

Pairing: Sirius Black/ Bellatrix Black (yes, I know that's incestuous)

This pairing is by request from my roommates, Lester and Darwin, who are just a wee bit into fictional incest. (Haha, don't hate me girls!)

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Sirius cursed himself as he buried his face into the plush form of his pillow. He could hear her footsteps on the floor above his room, pacing back and forth in anger he supposed. For a moment he pressed the fabric into his mouth, hoping in vain that he could suffocate the thoughts that were drowning out his sanity. If only she would stop doing that! His mind raged, screaming for a moment of silence to snap him back to reality.

He rolled onto his back and sat up abruptly, tearing the shirt off his back to relieve some of the itching annoyance he felt with himself. The room around him was sweltering, despite the bitter cold outside and the lack of fire in his room. He was burning up from his own body heat, from the burning flush he was unable to shake from the encounter he'd had on the stairs only moments before. The tension he'd felt, that he still felt now, was suffocatingly thick and gripped his whole body from the inside out. He squeezed his eyes shut, trying to forget, but it only brought back a flash of the way her soft lips looked only inches away from his own. If not for his sense of morality (that he wasn't quite sure from where he'd inherited it, gods knows the Blacks lacked it as a whole) he would have devoured her lips and pressed her into the wall to taste all the she had to offer.

"But Christ, the woman is your cousin!" Sirius chided himself through a bit lip and a nagging sense of guilt.

The guilt he felt wasn't nearly enough to prevent his teenage body from reacting to the painful tension that hung between them...whether or not she was his first cousin...whether or not she was eight years his senior...and certainly whether or not she was about to be married off to the beastly Rodolphus Lestrange. Sirius was always one for a challenge, but little did he know that the challenge wouldn't be conquering his dark cousin but would be keeping himself in check.

Sirius relaxed back into the headboard of his four-poster bed. For a brief moment he wished she were here in the overlarge bed with him, although he knew he could never have been able to resist her if she had been. The ever-present noise of her walking suddenly ceased and Sirius found himself longing to hear it again, longing to be reminded that she was still there; that he wasn't alone in the home he dreaded having to stay in over winter breaks. Silently he vowed never to stay another Christmas break in the dusty hell-hole that was called Number Twelve Grimmauld Place.

"If it weren't for you, Bella, this place would be unbearable." He whispered.

He closed his eyes for a moment, thoughts racing back to the stairwell. He remembered the elation he'd felt as his mother had left them alone for a few brief moments to slink away into her dank room. He'd waited all day to be free of her and her constant harping about her favorite niece's impending marriage. Sirius couldn't remember anything making his mother so happy in the world, and certainly Sirius didn't help that. He found it weird for his mother to be even somewhat cheerful, but she made sure not to be so towards him which eased the strangeness of the situation.

Sirius had wondered what Bella was doing when she feigned tiredness and slipped away up the dark, narrow staircase. The silence and darkness of the main part of the house was only broken by the suspicious skitterings of Kreacher throughout the house by candlelight. In hindsight Sirius had honestly wondered at himself. Following her up the stairs was a bold move by any stretch of the imagination, what did he expect would happen? Ideally, Bellatrix would have met him at the top of the stair, half-naked and ready to tear his own clothes off. Even thinking that idea was laughable; Bella was a twenty four year old woman and he was just a boy, despite his sixteen agonizing years. He may have commanded hoards of girls at Hogwarts, but this was a different matter. To a woman he was just a teenager, an off-limits subject of annoyance. To this woman he was an off-limits (wouldn't even consider him a sexual creature), teenage annoyance that had hovered around her since childhood.

Sirius expected nothing when he'd waited a few seconds before climbing the first step. He'd even paused before going up, stopping to think if he was being absurd. But something had clicked within him, a cloud of adrenaline bloomed within his blood and he rushed forward knowing good and well he would either be let down, or he'd make an utter fool of himself.

"Hello, Sirius." A cool voice rang out above him, from the top landing. The candlelight cast odd shadows over Bellatrix's slender form, highlighting the sloping curve of her waist from breast to hipbone and yet casting an impenetrable blackness over her face. He could see only a glint from her dark eyes. Despite his blindness, he knew she was smiling by the inflection in her voice, but not a genuine smile from happiness. He could hear the curl of the corners of her lips, the subtle amusement with him.

"Uh," Sirius cleared his throat, gripping the banister for balance. "Yes, Bella?" He attempted to sound smooth, but knew he'd failed.

"Have you been following me?" She said firmly, taking two steps down toward him. She emerged into the light and Sirius's suspicions were confirmed. She had a confident smirk painted across her face before she pursed her lips at him.

"...Have you been waiting for me?" Sirius found himself saying to his own amazement. Instantly he had the urge to kiss her but also to run away into his room and hide. What was he thinking being so bold? Coming on to his own cousin so blatantly? His confidence was growing by the second, and he was morphing into the haughty womanizer he'd honed all these years.

Bella's eyebrows shot up before arching at him curiously. A small laugh escaped her soft mouth. Deep down she wanted to admit that yes, she had been waiting for him. She wanted nothing more than to do anything to prevent this marriage to Rodolphus, and using Sirius was not beyond the realm of consideration. Yes, sleeping with her own cousin and letting her betrothed know would tarnish her reputation within the circles of proper wizarding society, but since when had any of that ever mattered to Bellatrix? Sirius had grown handsome before her eyes in the last months; he'd evolved from something completely unnoticeable to an eye-catchingly dark and attractive youth.

"Why would I wait for a little brat like you?" She asked sharply, and yet she contradicted her own harsh words by stepping even closer to him.

"Because you want me." The words dripped from his mouth and Bellatrix couldn't help watch his lips form those charming, arrogant words.

Sirius watched Bella's dark, shaded eyes drop away from meeting his gaze to linger on his mouth. She was close enough that he could feel the warmth of her body, or was that his own blood boiling within his veins? He flinched involuntarily when she trailed her long fingernails across the fabric of his shirt. The touch was feather-light across his chest but it was enough to force him to inhale sharply, wishing that he could feel those fingernails digging into the soft skin of his back. Sirius clenched his eyes shut, willing himself to not push his cousin against the wall and slip a hand up her skirt.

"My my, when did you become so...cocky, little cousin?" She asked, lips lingering close enough that Sirius could feel her breath on his earlobe. He blinked his eyes open and he could see nothing but the blackness of the hallway mingled with the long, dark strands of her silken hair. From the corner of his eye he could see her lips, dark red with blood and glistening, just inches from the pulsing artery on his sinewy neck. She shifted and her hip pressed against his thigh and he was terrified she would feel his growing hardness.

"When did you grow so beautiful, cousin?" He asked, face nestled near to her own ear, harvesting the nerve to place a hand on her shoulder blade and drag it to the dip in her back. He didn't know if it was his words or his touch, but suddenly Bellatrix was out of his arms, backing away. Her brows were drawn low over her beautifully inky eyes and her lips were a tight scowl.

"Don't touch me, Sirius." Her voice was as dark as the stairwell, full of malice. She knew the feeling of guilt had been creeping up on her, and she disliked the amount of control this boy had over her. She knew that had she stayed a moment longer she would have ended up in his bed. She felt the dull ache in her chest, the settling of adrenaline like shrapnel in her blood. Suddenly she was disgusted with how far she'd slid, at first she'd been completely in control, teasing the desire from his nervous body. Somehow one touch of his broad hand and a few words in her ear was enough to make her mask of strength and aloof crack. She would not allow that to happen again.

Before he could truly react, Bella had turned and left Sirius standing completely alone in the empty stairwell. He felt his body settling from its heightened state, drifting into confusion. What had just happened? Had Sirius been hallucinating? Fantasizing? It all came back to him in glorious detail as he turned the door knob to his room.

"Oh, holy shit."

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Please tell me what you think.

Meagan