pairing: stepbrother!sirius x reader x stepbrother!regulus
content: stepcest
“see, reggie?” sirius grunted, his head hung, a curtain of onyx hair shielding his face and the expression of pure bliss. “it’s not so hard to fucking share.”
regulus merely rolls his eyes, his arms crossed over his chest, further creasing what was once a crisp white dress shirt. “as if you would share, you selfish bastard. you never-“
sirius cuts him off with a groan. “I'm the oldest. I don’t need to share.” he finally lifts his head, his eyes instantly locking with yours as your chest heaves up and down in time with his thrusts. “much less our pretty sister. she was mine first.”
regulus scoffs, “it doesn’t work like that you sick freak. she-“
sirius cuts him off again, adding to regulus’s growing frustration. “reggie, shut up already. can’t you see that your older siblings are busy? go play or something.”
regulus scowls, unable to resist giving sirius a childish shove. he glares venomously, “idiot. you’re not even doing it right. you don’t know what she likes.”
you let out a whimper as sirius’s cock slips out of you as regulus shoves him, your pussy on full display to their eyes. you gasp, cold air from the room sending a shiver down your spine as it blows against your sore clit. your brothers don’t dote on you as they normally would at any sign of the smallest distress, focused on their childish argument. you pout further at the loss of attention. “would you two please just-“
sirius snarls at regulus, shoving him back. “and you do?” he scoffs, pushing his hair back with one hand, the other tangling into yours, yanking the hair tie from your hair. he wraps it around his silky locks, shorter strands of his messy haircut falling from the loose ponytail.
you yelp, slapping his hand. you rub your scalp with a pout, “sirius! that fucking hurt!”
sirius ignores you, his own breath rough and ragged, his cheeks flushed a soft pink as he’s focused on your younger brother. “you’re lucky she let you fuck her in the first place. baby.”
“don't patronize me, sirius.” regulus grits, “she came to me.” a smug smile then pulls at his lips as he takes in sirius’s glare as he tuts, tugging his slick cock. “she still does. and never has she spoken a word about you all of the countless times I’ve fucked her. every time she’s milked me dry all these years... I know exactly what she likes. does that make you jealous, brother?”
sirius rolls his jaw before answering, “hardly. of course she’d go to the baby first. probably pitied your micro-“
regulus shoves him again roughly, his cheeks reddening, “I’m bigger than you.”
your older brother snorts, settling between your legs again, mindlessly tapping the weeping tip of his cock against your throbbing mound. “sure you are. you probably fuck her like a little puppy in heat. no wonder she didn’t fight me off. she’s probably ready for a real man.”
you could practically feel the anger radiating off of regulus’s body, his arms tight inside his shirt, his fists gripping the bedsheets, jaw clenched so tightly you worry for his teeth. you sigh, exasperated, “reggie, please don’t get mad. I’ll…” you place your hand atop his, letting out a strangled whine as sirius slips back inside you, “I’ll let you have a go after siri, okay?”
Hey, request. Professor Sirius going to a vinyl record shop where student reader works and they end up fucking in the backroom.
𝙷𝚎𝚢 𝚊𝚗𝚘𝚗, 𝚝𝚑𝚒𝚜 𝚛𝚎𝚚𝚞𝚎𝚜𝚝 𝙷𝙸𝚃 𝙳𝙸𝙵𝙵𝙴𝚁𝙴𝙽𝚃♥
𝚂𝚖𝚞𝚝 𝚞𝚗𝚍𝚎𝚛 𝚝𝚑𝚎 𝚌𝚞𝚝, 𝟷𝟾+ 𝚙𝚕𝚜༺♥༻
The day was dragging; Y/N loved her job make no mistake, but the weather outside was warm and the sun was shining, causing her to long for 5pm when she could clock out. Only an hour left. She'd slipped Hard Days Night by The Beatles onto the record player a few minutes earlier and the title single was blaring from the speakers around the room. She was also the only one on shift, so the lack of social interaction with a normal human being (ie not a hipster boasting of their 'rare' test or old men being assholes) was driving her crazy. The bell on the door rang out as she partially sulked, but she pulled a smile onto her face to greet the customer coming through the door. Shit...
Her music history professor, Sirius Black, walked through the door. Panicked, Y/N ducked below the counter. There were many problems with the current situation. One: she was dressed entirely inappropriately to be seen by her professor, the weather had caused her to opt for a white crop top that was essentially see through, denim shorts, fishnets and boots, she knew such a well educated man would judge her appearance. Two: Fuck, he had to be the most gorgeous man walking the earth, which was a problem; she could feel herself getting wet during every single one of his lectures.
"Y/N?" His smooth voice rang out throughout the shop. "Is that you?"
She mentally prepared herself for the worse, grabbed a box from the floor and stood up straight.
"Professor Black? What a lovely surprise!" Her voice feigned innocence as she placed the box on the desk. She couldn't help but clock how his eyes focused on her tits that were clearly visible through her top. Y/N brushed the feeling away.
"Are you looking for anything in particular?" She asked quickly, wandering out from behind the desk. Sirius stuttered.
"Uh... no just having a browse." His eyes were dark, he was usually such a gentle, charasmatic man, but today he was tenser. She watched from in front of the desk as he browsed, her hands barely focused on the stock she was meant to be unpacking from the boxes.
"Did you choose the music?" He asked casually, moving closer to her. Something in the air was thickening.
"Uh yeah I did." Y/N smiled, attempting to keep her voice from shaking. He smirked. He had a few records underneath his leather clad arm.
"Good choice. There isn't a back room or anything I could give these a listen to in is there?"
Y/N was bent over the table in the back room as Prince played from the speakers. Sirius was balls deep in her pussy, ramming her animalisticly, her hair bunched in his fist as he pulled tighter with every thrust.
"Fucking dirty slut." He grunted as her pussy squeezed his dick tightly, his size stretching her out to perfection. Her moans were almost louder than the pounding speakers. He spanked her ass sharply with his hand as she bucked up into him, the pain sharply amplifying her pleasure. "You're a slut huh aren't you? Tell me how much of a slut you are."
"Yes I'm a slut sir, always thinking about you fucking me." Y/N's words made him laugh evilly, his pace quickening even though she thought it impossible.
"Thinking of fucking me huh? Little stupid whore." Sirius' hand let her hair go and he instead brought his hands up to squeeze her neck, pulling her back flush with his chest. His belt buckle dug deliciously into her ass. "Bet you wore that fucking excuse for a crop top to try and get fucked huh?"
Y/N could barely answer anymore, the pain from him choking her neck caused her to spasm against his body, tears threatening to fall from her eyes.
"Bet you wanna cum right?" He teased, never letting up his grip. "Go on then, cum you fucking bitch." His words tipped her over the edge as he released his grip from her throat. Y/N's orgasm came over her in a wave, crashing her body. Her legs let out below her as she came over his cock.
"Thankyou sir fuck." She moaned as he continued to fuck into her.
"Pretty girls like you always get what you want. But I also get what I want." Sirius, pulled her even closer to him, using his hands to support her thighs. "And I'm gonna fucking cum in you." She moaned at his dominance. Sirius kept rutting into her even though he knew she was struggling to take it. The tightness from her spent pussy tipped him over into ecstasy, his cum shooting into her and filling her up completely. He pulled out and watched his cum leak from her.
Conversely dark!sirius who fully knows what he’s doing to you but is like aw baby does that hurt?? Too bad I’m not willing to stop ://
"that hurt, doll?" he's looking down at you with a mocking pout and wiping your tears condescendingly. "just relax, pup. it'll feel much better if you just relax and let me fuck your pretty cunt."
Y/N stumbled out into the garden holding her copy of ‘To Kill A Mockingbird’. Her eyes scanning the pages rapidly, with one hand holding her book and the other was lifting a part of her dress from the ground to avoid tripping. She never paid attention to her surroundings.
She called out to her best-friend Lily, since at this time every afternoon they would read a new book under the big tree in her garden. They were all in hiding, the war in full blast, there wasn’t much else to do these days. When she didn’t receive a response, she lifted her eyes from the book. Y/N walked closer to the tree in which they were said to meet, but as she whirled around the side of the tree she came to face a sight which would surely destroy her innocence.
Lily was dead.
She was lying in the grass underneath the tree. Her arms resting together on her lower abdomen. A flower crown was resting lightly on her red hair.
Her long white dress which Y/N saw only hours earlier was now blood red
Lily was dead.
Y/N came to a halt at the sight and just stared.
She didn’t scream, as she probably should have and maybe, just maybe, the nights events to come could have come to a stop, if only…
Instead she stood mouth agape. Her eyes watering and throat dry. Her eyes were flicking back and forth from Lily’s crimson stained dress, and her seemingly peaceful face. Y/N spotted a bloody knife resting next to her and then, it was like something inside her snapped.
A blood curding scream was heard in the background, one which surely frighten even the bravest of people. The book long forgotten and dropped to the ground. Tears clouding her vision, but she refused to let any fall… if she did, they wouldn’t stop. Her breathing sped up and everything around her span in circles, her heartbeat was loud enough she thought even the deaf would hear it. Her ears were ringing, and she could faintly hear a shriek of pain. But then finally, she realised that scream was of her own.
Slowly but surely, Y/N regained her senses. She noticed a note rested in Lily’s pale hands. Cautiously, she crawled a few inches to her best friends cold body. Gently moving out to tuck a loose hair behind Lily’s left ear. She leant forward and kissed her forehead gently. Running her hands through her soft ginger hair, knowing this may be the last time she could see her. Y/N reached for the note and her eyes scanned the words written down.
Her head whipped up faster than lightning. Her eyes wide and practically bulging out of her skull, her hands gripping the note tightly causing it to scrunch up a bit.
‘Turns out not all mudbloods are dumb, princess here knew all to much, so she just had to go. My apologies for the blood spillage I’ll be sure to clean that up later, Run while you can dear. All my love’
Y/N pocketed the note in her dress and quickly scrambled to her feet. Sending one last meaningful look to her best friend before scurrying off back to the manor. Y/N pushed the door open with all her might and bolted through the quite hallways. Panting heavily through to the kitchen knowing her favourite elf ;Greta, would be helping with the other elves today. After what seemed like forever, she pushed open the kitchen door only to see a sight that was even more horrifying than before…
The pots were overflowing and reached their boiling point causing some hot bubbles to leak through. Half the kitchen elves who were usually present weren’t there today anyway, since it was meant to be a slow day, nothing important going on. But the unlucky ones who happened to be, were laying motionless on the floor. Blood was splattered and it looked like a crime-scene. 5 elves dead. Her house elf Greta was one of them. Y/N felt physically sick and had to turn away from the sight. Her breathing still hadn’t slowed down from sprinting down to the kitchens, and now it was even more irregular. Y/N looked back at everyone once more and quickly left without investigating any further.
Y/N ran out the front door all the way over to the lake remembering that Sirius her betrothed fiancée would still be there, from when he left this morning with his brother (and also her best friend) Regulus. She darted through the trees and woods, resulting in some scratches on the lower part of her legs but proceeded to called out Sirius’s name.
Suddenly out of nowhere Sirius appeared in front of her causing her to gasp from shock and stumble back slightly, before letting out a relived sigh since it was only him and not the killer on the loose.
‘Woah, you ok there dear? You seem out of breath… did you run all this way?’ Sirius asked
Y/N leapt forward to hug him making him chuckle slightly and pull back after a moment to softly rest his hand on her shoulders.
‘What’s happened dear?’ What’s wrong?’ He questioned gently
Y/N caught her breath before answering… ‘Help! it’s Lily, sh-she’s … dead. She was killed. And everyone in the kitchen, they’re all de-dead too.’ Y/N stuttered an answer. His eyes widened significantly.
‘Ok… it’s alright. We have to run. Now, come on’ Rushes out Sirius
Y/N halts in place when he tries to pull her along by her wrist, bruise surely forming due to the tight grip.
‘What are you talking about?! Run? Why would we run, we need to call for help, this is serious, how are you not freaking out right now!?’ Y/N rushes out, a sick feeling bubbling in her stomach thinking back to the sights she saw just earlier.
‘We could be framed for this, no-one else is present in the castle, your Mother and Father are out on that trip to Paris and someone will think… oh what would they think, this will ruin our reputation Y/N! We can’t be here!’ His voice is urgent and alarmed making Y/N off-put and frightened, but she pulls her wrist out of his grip quickly.
‘How are you talking like this!?’ Y/N says flabbergasted, ‘People have been killed… murdered! This is outrageous, we must get help immediately, how is our reputation your first priority?!’ she cries out bewildered, urging him to see his error of thought.
But Sirius’s eye brow twitched so subtly she may not have caught it if she wasn’t staring directly into his eyes with such fright, but she knew he was probably just as scared as she and trying to be brave for her.
‘Oh! What about Reggie, is he harmed? Did you just leave him by the bay alone!? He could have seen inside and panicked, oh goodness, we must find him, come quickly-‘ But Y/N’s alarmed voice was cut off by a large hand grasping her yet again and when she looked up into his dark eyes which were seemingly growing substantially and blackening … she became worried.
‘Where is he?’ She asked lowly, face void of emotion, but her eyes instead of growing darker were slowly reaching understanding.
‘It’s ok dear, just come with me. Regulus is just fine, he’s probably just taking a swim… look, we’ll go and see him now’ he said with an eerie smile on his face.
She nodded slowly and let Sirius pull their now interlocked hands along to the water, a few more paces through the high grass near the water and they were there.
She could see the fishing rods that Regulus and Sirius must have been using, along with two pull out seats. But Regulus was nowhere to be seen…
‘Where is he, Sirius?’ She asked almost at a whisper, slightly anxious to know the answer that he seemed to know.
The look on Sirius’s face, was… different, than before. Smiling wide and evidently calm, he reached out and cupped her face with both hands pressing a light kiss to her forehead before letting go gently and looking at the view from the lake.
‘Well, I told you dear… he’s just taking a swim.’ Sirius says evenly, no signs of a shaky voice.
Y/N’s breathing shallowed as she processed the information and thinking back to conversations long ago when Regulus and herself first met… he couldn’t swim…
‘W-what. But.. he- he cannot swim, Sirus. You know this! What is going on, tell me what is going on!!’ Y/N’s unnerved voice growing louder in volume each word she said.
But Sirius just turned around to look at her in all her beauty, hair glistening in the sunlight and carelessly whispered… ‘Oops.’ a smile she had seen a thousand times before.
And that’s all it took. Y/N charged passed him and into the water, pulling her long dress up so she could still takes long strides into the lake, eyes wide with panic and exhilaration she called out ‘REGULUS!! REGGIE!! WHERE ARE YOU, COME OUT PLEASE!!’
Sirius watched calmly by the side of the lake with a sneer and all knowing eyes.
Y/N hastily swatted away the plants and seaweed that would come between her as the water bubbled slightly as her dress swished it.
And she saw it, the dreadful sight of Regulus. Off to the side of the shore.
Y/N quickly moved, running as fast as she possibly could while still in water. When she managed to reach him and drag him to the land not too far beside him. She gasped with terror as she saw his face, pale and lips blue. His chest unmoving. She screams with all her force, arms pressing to his chest continuously trying to revive him. But after minutes, nothing.
Y/N still breathing heavily, and now wet from the lake water, darted up to Sirius’s, face in a rage and confusion still evident.
‘How could you?!’ she screams out in agony, ‘My best friend! Your brother! To think I trusted you, we were to marry! She took a breath and continued… ‘Why?’
Sirius had not flinched from the screams or the hatred in her eyes, and merely smirked and leant down to whisper in her ear…
‘Friend, you say?’ He straightened back up to stand straight and scowl at the girl. ‘I am no fool Y/N, I know you see the way he looked at you. Eyes full of love, and the way he spoke of you… like you were the only person in the world! Right in front of me too, as if I didn’t notice!’ He glowered down at her.
‘He did not love me! No, no… not like that! And even if he did, I loved you! Now that’s a different story. I never would’ve thought I could loathe someone I adored with all of myself, so quickly. But you-you are an exception!’ She spat out in revulsion.
He laughed unphased ‘And that friend of yours… Evans. She knew of his love, supported it actually. I found them in conversation just the other day, she told him to confess to you before too late. Merlin, I've got no idea what James sees in her.’ He scoffed ‘I knew you would reciprocate. You couldn’t break his tiny childlike heart. So instead you would break me, and well… we just couldn’t have that could we.’ He asked rhetorically.
‘Oh… ‘ He continued, ‘The rest of the staff, the elves, in the kitchen, well they were just in the way of my day. They never liked me. Don’t ask me why, they just didn’t. I’m so likeable! But unfortunately they just didn’t fall for my charm, what a shame. It cost them their lives.’ He mocked a frown.
Y/N was in horror. Complete, absolute horror that someone she loved so dearly only hours ago could do such treacherous things to anyone. Especially people which he knew she loved so dearly out of envy.
‘You-you, are a wicked, horrible person’ She muttered out in disgust.
‘Yes, that may be true.’ He smiled down at her ‘But I love you dear, come with me, we can run away start a family! Away from everyone, away from consequences.’ He spoke hopefully and with pleading eyes.
Still in shock, Y/N did the only thing she thought right in that moment.
She ran.
Y/N ran through the long grass. Through the land, and though she was out of breath and with a stitch of pain from so much running… past the castle gates. She did what he said they would do… run away. But not with him by her side. She would never be seen near again.
Sirius though; he stays put, not willing to run an endless chase, a battle, in which he would not win. He had already tried and failed, to keep her to himself. With a frown decorating his face, deep down he knew she would not stay with him, not after this. But he hoped. He yearned for her love and requited affections. He had never had anything he didn’t have to share, except her. She was perfect to him, ethereal.
But he knew that Y/N loved Regulus greatly more, platonically, or not he could not decipher. But now even she was gone, and he was alone. For good. She left, like everyone else. Not that he would ever let anyone else see his loneliness, despair, sadness. His act would stay put and he would never show weakness for as long as he shall live. And so, he was not sad now, not really. He won in a way, his internal battle. Nobody would see him break his façade … because he lived as long as it stay put.
So, with a hum… he walked slowly, seemingly with no care in the world. Into the lake. And so, for now and ever onward he will watch Y/N from above, smiling down at her as the sun glistens down on her once again in a better life.
don’t forget to reblog <3
*requests are always open, so send in any ideas you have <3
Somehow all 6 of my time travel!au stories of Sirius x Harry’s twin sister have turned into her corrupting him and encouraging Sirius to embrace the darkness of his blood👀
“Sorry, SIRIUS IS JUST THE BADDEST BITCH EVER AND I LOVE HOW MUCH OF A FUCKING MESS HE IS.”
~literal message I sent to @neromarcove regarding Sirius in one of my WIPs. XD It’s going to be dark and ugly and so crazy, but I’m a slave to this muse.
- The Grim is not exactly like a DID, as Sirius remembers everything he was up to; as well as he is of course in control of his transformations, like any other animagus. Grim is not a demon possessing his body, more of a nagging force in the corner of his mind, a state he occasionally slips into. He and Grim are one; if Grim is to be called a demon, then Sirius is to be called a demon too.
- When he was a kid, it was all innocent. He didn't realize it back then. Sometimes he just told people to do dangerous things and they did it. He thought it was a game; after all, he was persuasive.
- Although James was the official leader of their little squad from the right start, Sirius knew he had some control over him. It was weird, but it was nothing James didn't enjoy himself.
- When he, James and Peter started animagus training, that is when it started growing in him. Gradually Sirius felt the force building. First he thought that it is simply because of the training, but quickly he realized James and Peter didn't feel anything of that sort. When he was finally able to properly transform, that is when it hit him. The realization. In animagus form his eyes were gleaming, although he managed to learn to suppress to avoid giving himself out to his friends. He never knew whether James, Peter or Remus understood what they are dealing with. He never told them either.
- James became more and more dependent on him. Not the sort of dependence that raises naturally but also nothing as evident as the dependence created by the unforgivable spell. Sirius didn't want to cut it off. Actually, he only wanted more.
- Snape went under the willow tree that day and he knew it was Sirius's fault. Sometimes Sirius thought Snape realized, although he wasn't sure. Either Snape knew Sirius's secret, or maybe, being an insufferable wimp Sirius believed Snape to be, he just wanted to blame someone for the mistake he made. Actually, Sirius wanted him to die. James shouldn't have intervened that night, he thought.
- Then there was Regulus. He came to Sirius and asked for guidance. Sirius gave him that. "What if I die?" Regulus asked. "Perhaps, that wouldn't be the worst outcome" Sirius said. He didn't believe for a second Regulus will follow what he suggested to him. His brother was a coward after all. A week later Regulus got killed. Sirius never learned what Regulus actually did.
- Finally, there was James. A beautiful plan Sirius designed for him and Lily. Of course, James agreed. James would never trust anyone Sirius did not approve of, and Sirius would never allow James to trust anyone but himself. In order to proceed with the plan Sirius had to stop Peter who was just about to flee the country but it was nothing challenging after all. And then James died. That is when Sirius decided he should get locked up before he causes more harm or kill anyone else. For someone who doesn't have Grim in their head word "killing" here might sound like an exaggeration or a metaphor, but it wasn't. Sirius just didn't know how to explain it better.
- Sirius was the one to decide to escape for a good cause but it was due to The Grim part of his that he got it right.
- Although at first Grim was excited to finally be free, soon his power started fading away. Sirius couldn't bring his own eyes to glow when he was in what once was his Grim form. He couldn't make people follow him, couldn't bring them to risk. His attempts lead to nothing. Yet he knew - Grim is still in there. He just needs to be awakened
- He told Albus about Him, as he didn't realize he will be kept out of fun for that reason. He just wanted to explain why he thought getting locked up was a good idea in the first place
- "You are not like your father" - Sirius says, astonishingly, when Harry doesn't follow throughout his plan. Actually, he knew it was not the right way of putting it. Harry's a lot like James. It's Sirius who is not the Grim anymore.
