Sirius Black // Jealousy, Jealousy

*defensively* no, you're obsessed with sirius black!

wrote this in like 2 hours so there are going to be LOTS of mistakes. also SLIGHT nsfw at the end. your girl got carried away and tried something new :3

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Sirius Black was not a possessive man. Growing up, he had a brother whom he shared most of his things with, that was until they grew apart. Apart from that, Sirius Black never got territorial about stuff he cared about. That went on till he became best friends with a certain gryffindor in the first year. Sirius and her got along instantly, especially considering how she was the supposed golden girl. She had the perfect balance of silliness and (pun not intended) seriousness. Y/N was a force of nature to reckon with. She always got what she wanted and she was so fucking smart in her studies and so damn good in everything she did - she was mostly the reason why James and Sirius' pranks always worked out. Whenever the trio got a dose of Remus' unimpressed look (which never happened alot, but it happened that one time during McGonagall's class while she was giving the students important notes to study for her upcoming test) she would roll her eyes and tell him to loosen up (Y/N scored the highest among her classmates in that test) She always kept to herself and usually hung out with her fellow classmates from the same house. And she enjoyed it that way. She would spend her extra time with the marauders whenever she wasn't with Lily and Marlene. This time, her two worlds collided and the entire gang was together in the Hog's Head on a chilly winter day before a few of them left for christmas break.

"For fuck's sake, I thought we weren't gonna discuss about our classes today?" Y/N whined as the topic of Slughorn's lengthy homework on bezoar came up. She was yet to start her 4 page essay and listening to Lily rave about how she was enjoying her NEWT level potions class was not helping her case.

Lily turned red, "Sorry, I couldn't help myself." Everyone around the table snickered at her. They all adored her passion for potions but really, today was not the day. Everyone needed a break after the hectic week they'd all had.

"Thank you, Lils." Y/N smiled at her and leaned back on her chair as her shoulder brushed against Sirius'. He placed his hand on her thigh to reassure her and she visibly relaxed.

James turned to Marlene with a mischievous look in his eyes, "Okay, then let's talk about how I overheard Matthew telling his Hufflepuff boys how he wants to ask you out next week."

Marlene's eyes widened in surprise and she turned fully to James while Y/N laughed, "MATTHEW? BLONDE HAIR, GREY EYES MATTHEW?"

Sirius took a sip of his butterbeer with his right hand and muttered so low only Y/N heard him, "Well, she only knows of one Matthew whom she's been crushing on for the longest time. Who the fuck else could it be?"

Y/N playfully nudged Sirius and glanced at the foam at the corner of his lips, "Play nice, Sirius, no one likes a sour puss."

Sirius turned to her and smirked as the two of them drowned out the conversation happening around them, "Sweetheart, you're just happy about the fact that I owe you 10 Galleons."

"Pay up, Black." Her expression mirrored his as she wiped the foam with her thumb, "Try to pay attention to the things around you and maybe you'll win the next bet."

She stuck her hand out under the table between them as Sirius rolled his eyes and fished out the amount and placed it on her open palm discreetly. She pocketed it and smiled victoriously. Sirius traced his thumb on her thigh and smiled, amused, "You only won this bet because you asked Prongs to spy on Matthew after Quidditch practice."

She gasped, "Lies. How do you come up with such false accusations, Sirius? I truly and personally could not ever fathom coming to such a conclusion based on zero factual evidence-"

Sirius squeezed her thigh gently and fished out a piece of paper that was clearly in her handwriting that said 'JAMES POTTER IF YOU WANT LILY TO SPARE YOU A GLANCE THIS YEAR GO GET ME SOME INFORMATION ON HUFFLEPUFF MATTHEW AND IF HE HAS A CRUSH ON MARLS I SEE THE LOOKS HE GIVES HER'

"This proves nothing," She said, indignant.

"It's signed by you, sweetheart," Sirius poked at her name that was written at the bottom.

"Oh, please, there are millions of people named Y/N," She rolled her eyes, still not ready to back down.

Sirius pocketed the note with an amused smile, "Mhm, right, my bad. How silly of me."

Y/N's eyes narrowed at him, "No retaliation this time, Black?"

He kissed her cheek, "None."

She got flustered and Sirius mentally added a point to the scoreboard in his head of the times they made each feel this way. The wiping of the foam made it a tie but this gesture bumped her up on the score. She tuned back to the conversation happening around the table, fighting off a smile that was making its way to her face. They somehow landed on the topic of how people have been getting the courage to ask their crushes out this year. The group was so focused on their discussion they didn't notice the little moment the couple had and Y/N was glad they didn't.

Remus fished a fry from the bowl and said, "I mean, practically everyone has grown out of their awkward phase, I think it's a cute and bold move."

Everyone agreed. Growing out of those awkward early teen years was such a blessing. Now that they were one more year closer to being adults in the wizarding world made all those early years so trivial. Y/N thought of how she first met this lot in the first year and how all of them were so small and innocent. She thought of the first day she met Sirius and how she almost immediately felt attracted to him. She turned to have a look at the man again only to find him looking at her. Over the past few years that she had gotten to know him, he had changed so much physically and emotionally. They both grew up together, being there for each other when they most needed it. Everyday she found herself falling for him even harder. Merlin's beard was this man so fucking hot. She wondered how life would be if she ever got the courage to tell him how she felt. She did have an inkling that he felt the same, but was too scared to lose him if things didn't turn out how she wanted them to. She laced her right hand with his left one on her thigh and squeezed gently, tapping her thumb on the back of his hand thrice 'i'm grateful for you'

Sirius winked at her and they was pulled back into the conversation as Y/N heard her name called out, "Sorry, what?"

Everyone around the table looked alarmed.

Peter repeated, completely ignoring the warning looks from the table, "I said, Ezra definitely has a thing for you. Overheard him talking about you. He always stares at you. Oh, and his friends give him a knowing look whenever you're around him."

The table got silent.

Y/N felt him tense in her hands. She licked her lips, feeling nervous all of a sudden for reasons she could not explain. She never really thought about dating and this conversation never seemed to come up with her friend group. Sure, she confided in Lily and Marlene about things like this, but never usually with the boys.

James and Remus spared a glance at Sirius, whose eyebrow was raised at Peter. He cooly asked, "Ezra? The prude from Ravenclaw? The one who I-we absolutely wrecked the last quidditch match? The one whose head is as big as his ego it wouldn't fit through the main door?"

Peter shrunk at Sirius' tone and meekly said, "Yes, him."

Sirius rolled his eyes and resumed tracing circles on the back of Y/N's hand, "Sounds like a charmer."

James tried to sound subtle and coughed, "JEALOUS." to which he earned a cold glare from Sirius and an exasperated look from Y/N. Nobody said anything for a while until Lily decided to call it a day after having a small discussion about the overly sweet pies they had. They all walked out into the cold, the girls cuddling together as they made their way back to the castle. James was going back to the Potter's house for winter break as was Lily and Marlene to their own families. After bidding their goodbyes, Y/N had a nice hot bath and laid on her bed, deciding whether she should confront Sirius about the moment at the pub. After overthinking about the situation for a long, long time, she got the courage and walked upto the boy's dorm.

She knocked thrice in hers and Sirius' secret pattern and opened the door slowly. She peeked through and softly called out, "Sirius?"

The dorm seemed empty, Remus and Peter nowhere to be seen, but judging by the shoes in front of the bathroom door, she guessed Sirius was in there. She walked into the dorm and made her way to Sirius' bed and sat down. The noise of the shower was muffled by the bathroom door but it was loud enough for her to hear. After a few moments, the shower was turned off. She exhaled softly, her hands sweaty and stood up to face the door.

The shower door opened to reveal...oh. A shirtless Sirius just in his sweatpants and a towel on his arm, water dripping onto his shoulders from his freshly washed hair. Her palms got even sweatier and her heart began racing. She twisted the ring that Sirius got her for her birthday on her finger to avoid focusing on the tingly sensation all over her and well...the view.

"Hi." He did not look surprised to see her.

She managed a smile at him, "Hi."

He grinned and leaned against the door, "Not I'm complaining about having you in my dorm while it's just the two of us," Y/N bit her lip to avoid smiling like a fool, "But, looks like you have something on your mind. You good?"

She tried not to focus on his lips, "I'm fine, Sirius. I just wanted to know if you are. You know, after what happened in the pub?"

Sirius made his way to her and began wiping his hair, some of the water droplet falling on her, "Oh? It was just 10 galleons, I'll recover. Maybe no more sweet treats for a while but-"

"Sirius," She said, sternly and yanked the towel out of his hands and placed it on the ottoman. She quickly cast a drying spell on his hair, he gave her a thankful look, "Not that. The whole Ezra deal, I meant."

He ran his fingers through his hair and looked at her, his eyebrows furrowed, "Well, I just spoke my mind. And I'm not wrong. He's a fucking dick, have you seen the way he-"

She grunted, not happy with the way this conversation was going, "I know, Sirius."

"Well then why would you want to go out with such a prick?" Sirius retorted and crossed his arms, "You don't deserve that jackass."

"I don't wanna go out with him, stupid."

"That's what I thought." He seemed overly pleased with her response, pulled her closer with a hand on her waist and placed a quick kiss on the side of her head.

Before she could lose her courage she looked up at him, "Who should I go out with, then?"

Sirius smirked down at her, "Preferably someone you've known for years and in the same house, you know, so you can hang out more. Hmm, maybe someone on the quidditch team? The keeper, I suppose."

Her heart raced. Her eyebrows furrowed in dismay, scared to hear his answer. She had two choices, either to continue this back and forth game or to make him confess his feelings.

"Don't play with me right now, Black"

His heart slightly dropped at her tone, "I- Sweetheart, you know I would never play with your feelings." He smoothened out her furrowed eyebrows with his thumb.

She playfully smirked at him and wrapped her arms around his neck, "Hmm, so what are you trying to say?"

He caught onto her ploy and smiled teasingly at her, "You know what I want to say."

She gingerly took another step forward, and gave him a knowing smile, "Just say what you have to say, Sirius, before someone else admits their feelings to me."

That seemed to do the trick.

Sirius barked a laugh and pulled her closer, placing his other hand on her waist. They were almost chest to chest, "You drive me absolutely insane in the best way possible. You are my best friend and my favourite person in this world. I could never imagine doing life without you. Everyday, I am so grateful to have you in my life because you keep me grounded." He exhaled and added, "Sue me if I'm crazy and possessive but I can't see you with anyone except me, so I'm sorry if that little outburst made you uncomfortable. I will try not to do that again."

She laughed and shook her head, "You are insane, but I love it." Sirius rested his forehead against hers and their nose nudged against each others.

Being so close to her after admitting his feelings and that he could smell her intoxicating scent; Sirius was about to go feral, "Sweetheart," He exhaled, watching her eyes close in content, "Could you please kiss me before I lose my fucking mind?

She wasted no time and surged forward, capturing his lips in an intimate kiss. Sirius pulled her closer with a hand on her waist and deepened the kiss with another hand on her jaw. Her fingers that were playing with his hair made their way to his chest, feeling his bare skin. A noise erupted from his chest as she bit his lower lip gently. He smiled against her lips and pulled back a bit, their lips tingly.

"You're so beautiful." He whispered, kissing her again with intense passion. Y/N reciprocated with equal enthusiasm. Sirius gently walked them both till the back of her knees hit the bed. Sirius gripped her tighter and pushed ahead, the both of them tumbling onto the bed. He balanced his weight on his elbows so he wouldn't crush her. Y/N ran her fingers over his abdomen. Sirius groaned and pulled back, snuggling his head into her neck, peppering it with kisses, "Sweetheart, you are gonna drive me crazy."

She laughed and pulled her fingers away from his abs and ran it through his messy hair, tugging on it gently, "You're already driving me crazy by kissing me like that, you panty-dropper, you."

He kissed a spot under her ear and hummed, "So, am I going to hear a confession about how you've been in love with me ever since you laid eyes on me, or what?"

She wrapped a leg around his to gain leverage and twisted them around, Y/N now on top of him. His head hit the pillow and she straddled him. Sirius groaned and gripped her hips to prevent her from moving, "Geez, sweetheart, give a guy a warning."

She grabbed his face with her hands, pulling him towards her and gazed into his beautiful eyes, "You are my loverboy and I am crazy about you. I want you to be mine."

"I am always yours, Y/N. Always have been." He whispered, his breath tickling her lips.

She kissed him and melted into his embrace. Her chest pressed against his as he deepened the kiss. She pulled back slightly after a while to get some air. Their eyes still closed, lips red and swollen, still touching.

His body was tingling all over with how close she was and how he could smell her skin. He panted, squeezing her hip "If you think I'm sending you back to your dorm tonight-"

Her body felt like it was on fire, "Wasn't planning on leaving."