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It had been a long day for Sirius, full of hormonal teenagers who most of the time would rather be doing something else than learning about the constellations at 11 in the morning when the stars weren't even visible, Sirius had asked for one day a week in which the astrology class was during the day to have the night free. That day was today, so after a long day of preparing students for their future, Sirius was walking through the corridors of Hogwart, he was going along a route that he had already memorized, he wasn't even paying attention to where he was going, his feet already guided him alone. It was way past curfew so the corridors were empty of students.
Sirius got to his destination, he was in front of the large wooden door that led to the Defense Against the Dark Arts classroom.
Remus was hunched over his desk, a small frown adorning his face as he went through his students' essays, at that moment he felt someone open the door, Remus already knew who it was, he had smelled him from the corridor before reaching the door from his class.
"Moony, my moonpie, how are you my gorgeous teacher?" Remus could tell that Sirius was in excellent spirits from all the compliments he had managed to say in one sentence, he looked up to meet Sirius Black's beaming face and Merlin, he was glowing, Sirius had his hair half up with a few strands of rebel hair getting out of the hairstyle, on any other person it would look bad, disorganized, but on him it looked beautiful, his clothes were organized, as organized as Sirius could managed and he was walking towards Remus with a huge grin, you know, that Sirius Black grin that got half of the students at Hogwarts crazy, Remus couldn’t blame them, that grin makes him crazy himself.
"Professor Black, nice to see you, what brings you to my humble classroom?" Remus greeted while sitting straight in his chair, his back cracking in the way, he really had a terrible posture. "Oh well, Professor Lupin you see, I have my night off today and I thought I'd spend it with my dearest husband, so here I am" Sirius said with a playful almost seductive tone while moving Remus chair back so he could create space to sit in Remus lap. “I see, so today is your night off?” Remus replied settling Sirius in a comfortable way in his lap. Sirius nod and his eyes flicker to Remus lips, just for a second, but Remus caught it. “Mmhm and do you have something in mind for your night off, Pads?” Remus knew, I mean how could he not know, Sirius had been eyefucking him from the moment he walked into the classroom, but he wanted to know to how long Sirius could act like he wasn't desperate for his husband, so he waited for Sirius response. “Well you see, Remus, my Remus, I do have something in mind” Sirius answered in a low voice, almost a whisper, too close to Remus face and not even looking into the eyes of the man infront of him but looking directly into his lips.
Sirius was pinned against the wall by Remus as the former brushed his lips across his lover's neck leaving a trail of bites, marking his ownership, and Sirius could not and would not protest, his lips already red and swollen from the attack on them by Remus moments ago before Remus moved on to attack his neck, Sirius's hands were on the other man body, he couldn't keep his hands to himself, he needed Remus, he wanted him so much it hurt.
They were in the middle of a corridor, on the way from Remus's classroom to the teachers' quarters, something had possessed Remus that he couldn't wait to get to the room and pushed Sirius against the wall and started they're snogging session. It really isn't the brightest idea to have a hot make out session in the middle of the hallway since even though it's been curfew for a long time, Sirius and Remus know better than anyone that there are students who don't mind going out at curfew, so by kissing in the middle of a hallway is easy for a student to walk by and see them, although most, if not all, of the students already knew that the astrology professor and the defense against the dark arts professor had a formal relationship, it was still a scandal they would you rather avoid. But they didn't want to stop nor would they be able to, because Remus's mouth had just touched Sirius's sweet spot just below his ear in the way Sirius love it, at that action Sirius' lips parted as small soft moans left his mouth and his hands went straight into Remus curls in a desperate atempt to ground himself. Sirius pulled Remus away from his neck to bring their foreheads together for a moment of eye contact, their eyes clouded with lust and desire for the other. In a moment of need, Sirius grabs Remus's neck and presses her lips against her husband's, Remus letting out a moan muffled by Sirius' passionate kiss. They stayed like that for a while just separating from each other to catch their breath only to continue with more forced if possible.
They were so lost in each other's mouths that not even Remus with his heightened senses heard those familiar footsteps heading towards the two men in the middle of the corridor. They heard a loud fake cough that immediately caused the two lovers to separate just enough to turn around to see the producer of that noise.
“Mr. Black, Mr. Lupin, I thought my days of finding you two making out in the hallways were over the day you graduated” said McGonagall with her wand casting a Lumos pointing at Sirius and Remus while trying to suppress an amused smile that was forming in the corners of her lips. “‘Night Minnie” was everything that Remus could answered while separating himself just a bit from Sirius, still holding him by the waist. “It’s Professor Black and Lupin to you Minnie.” Sirius replied with a playful tone while fixing a lose strand of hair behind his ear.
“I think you both are well aware of how inappropriate this is professors” McGonagall said to the two men informe of her not really waiting for a answer she continued “I would advice the both of you to go to your chambers in this moment, you are not teenagers anymore to be doing this” she finalized with that.
The couple felt like little hormonal teenager being caught and chastised by their mother, so under the intense glare of the elder woman before them they separated mutter and apology and a good night. They were opening the door of their shared bedroom, he whole walk from the hallway to the bedroom their were silent in the spirits of the walk of shame they were doing, the moment they closed the door automatically casting a silencing spell, they burst out laughing. Sirius was bent over supporting his weight with one arm resting on the bed while the other was on his stomach holding him up as if it hurt him to laugh, while Remus was leaning against the newly closed door with a hand half covering his face trying to lift his hand. laugh, obviously Remus failed in his attempt not to laugh when he has his husband in front of him who leaned over himself crying from his laughter. Sirius was trying to speak and shared his thoughts, but he just uttered a couple of incoherent words and started laughing again. Remus slid out the door, the laughter too much for him to support his weight, so he let the floor do the work.
After a few moments the two managed to calm down enough to speak but neither did, they stood there, looking at each other, just enjoying the moment they were living, after a few moments Remus got up to sit down again but he was now on the floor next to Sirius at the foot of the bed holding hands lazily and although this wasn't exactly what they planned to do, they enjoyed it because they were together and that's what mattered to them.
“What do you think if we finish what we started before that rude introduction of Minnie?” Sirius asked already climbing into Remus lap. “I think is an incredible idea pads, but on the bed my bones can’t take the hard floor anymore” Remus answer making them both laugh and move to the bed.
The next morning Sirius had sent James and Marlene an owl telling them how McGonagall had caught them in the hallway, of course he skipped the details, his friends didn’t need to know that.
In the afternoon he received four letters, one from James where he said that they are hopeless and that he had been laughing the whole time while reading the letter, another from Lily that Sirius imagines read James's letter to see what her husband was laughing so hard at, where she said how irresponsible and reckless they had been with their actions and basically scolding them for what happened, Sirius knew that Lily wasn't really mad and that she most likely had laughed as much as James but she wouldn't have been the Lily they know without having scolded them, the third letter was from Marlene where she said how much she missed them both and their time at Hogwarts and also how she wasn't really surprised that Remus and Sirius were involved in that situation, at the end there was a message from Dorcas greeting them and telling them not to get into trouble anymore, the last letter was from Regulus, Sirius smiled when he saw the sender, in the letter he only talked about the news of the life of his little brother who was in in France on vacation with his best friend Barty and about his Parisian adventures, of all the letters Sirius received that day, that was the one he liked the most.
At night while his students did their job of looking for the signs of the full moons of the whole year Sirius answered the letter to all his friends, he decided to send one to Mary, Peter and Andromeda too, he answered the letter to Regulus telling him about his antics imagining how many times his brother would be able to roll his eyes reading the letter.