Fandom: Harry potter (Mauraders era)
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You and Sirius had been dating for 2 weeks after his constant attempts to date you. At first it was just to show James how annoying it was to see him do it to lily but as the 2 years passed, he started to actually try.

You finally agreed once you heard his tone change from mocking to actual attempts you agreed but it only fuelled James that much more to get lily.

It had only been a month since you dated Sirius and he constantly kept making you stay in his dorm because he claims he can't sleep without you and he insists that you sleep there rather than yours due to it being on the other side of the school so you thought it would be fun to mess with him slightly so when he went to the bathroom and the rest of the marauders who were still awake whereas the other Gryffindors were still asleep

"Hey Siri, I'm just going to go sleep in my dorm tonight since I have work to do" you spoke after checking the clock on Remus' bedside table and slowly got up from his bed.

"Don't do this Y/N" Remus whispered watching you as he put his book down.

"What no you're staying here" Sirius replied walking out the bathroom with no shirt but with his bright red lounge pants on

"I've been with you most of the day I have to do some work before I go to bed" you spoke out grabbing his leather jacket and headed to the dorm door.

"But you can do that tomorrow and it's a long walk there I don't want you to lose house points" he replied walking to you and pulled you back to his bed.

"Padfoot has a point you should just stay" Peter spoke watching amused.

"Oh, shush peter at least I'm not 5 papers behind" I replied with a playful glare.

"Then do peters work and do yours tomorrow" Sirius negotiated as he set you on his bed and smiled slightly as he started heading to the bathroom again.

"I don't want to do peters work I need to do mine so I'm just going to go" you spoke out as if you were talking to one of them as you slipped on his jacket and headed to the door.

"I'd give it 5 minutes before he realizes" Remus spoke out watching the bathroom door.

"If she doesn't say anything I say less" James added flicking between the dorm door and the bathroom before betting the galleons on it.

When you reached the entrance hallway you smirked a bit as you looked at the stairwell to the dorms thinking for a moment before speaking

"Bye Sirius see ya in the morning!" You called smirking as you headed to the door.

A few seconds after you spoke those words Sirius heard you and dropped his toothbrush in the sink and ran out to get you.

"Rabid dog on the loose!" Prongs yelled hoping that you would hear laughing.

"Shut it prongs" Sirius scolded as he bolted past him and went to go get you.

You headed to the nearest hallway that was close to the portrait so when Sirius turned, he his head in one direction he saw you and smirked playfully annoyed as he walked over to you.

"Hey Siri" I joked amused watching him slightly before wiping off the little bit of toothpaste on his lips and wiped it on the waistband of his pants.

"Hi pup" he chuckled a bit as he watched you for a few moments before meeting your eyeline.

"Need something?" You asked innocently as you lightly ran a finger up his chest.

"Well for you to come to bed baby but I can't do what I want to know since the other boys are awake" he purred slightly resting a hand on your waist to pull you closer to him.

"Mm isn't that a shame" you I whispered slightly pressing a kiss to his neck since you didn't want to taste toothpaste.

"When they are asleep, I'll try something" he smirked looking you over.

"And what if they wake up at some point during the night?" You teased slightly as you tugged the waistband on his pants slightly causing him to groan a bit.

"Well at least they won't bother us princess or would you rather I just throw you on the bed and take you right there and then".

"But Siri the boys would be awake" you smirked back looking up at him teasingly, but he knows that you're not an exhibitionist like he is unless you wanted it as much as he did.

You both smirked amused before he picked you up and went back to the dorm opening and shutting the dorm door and set you on the bed.

"The hell have you to been?" James laughed as he sat up from his position and rested his wrist over his knee.

"I wasn't going to my dorm in the first place I was just pranking Padfoot, but we got something else from it instead" I laughed as Sirius groaned and waved his hand dismissively as he went back to brushing his teeth fake annoyed but just biding his time till they slept.

"I hate you" he muttered through the brush glaring at you through the mirror.

"You love me really, but the real question is who won?" I asked amused looking at Sirius at first giving him a small wink before flicking between Remus and James before shrugging off the leather jacket and places it above his case.

"James did but I have to give him it in the morning because I have to go to the bank in Hogsmeade" Remus muttered slightly annoyed as he went back to his book.

"Poor rummy" you whispered as you got up and kissed his cheek softly and fixed his hair slightly before heading back to his bed before smirking slightly as you grabbed your wand.

"Don't you dare do it because you know I can't" Sirius glared as he tried to get to you before you apparated but didn't get there in time "goddammit!" He muttered annoyed as he went to find a shirt in his chest.

After about 10 minutes you came back just as Sirius slammed his trunk shut with a shirt in hand you returned with your paperwork and your quill and slowly set them on his bedside table

"What are you doing Siri?" I asked amused as I walked up to his chest and took out his ink pot.

"Getting a shirt so he could come and collect you" peter laughed as his head fell back onto the pillow.

"I was just collecting my work" I chuckled which made Sirius mumble things annoyed as he slammed his chest shut and went to bed.

Once you sat down to join him, he set you on his lap while his face was curled into your neck once you got a comfortable spot to do your work in and stayed like that till you were done with your homework but when the other boys were asleep Sirius started to kiss down your neck slowly while his hands roamed your body.

It soon escalated through the night which you managed to stay quiet through.