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O método científico de se apaixonar (The Scientific Method of Falling in Love) by aylaw12
Fandoms: Harry Potter - J. K. Rowling
17 Oct 2025
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James Potter é um estereótipo ambulante. Um cientista com óculos grossos, gagueira desajeitada e experiência zero além da primeira base. Ele passa os dias imerso em pesquisas, felizmente despreocupado — até que a universidade o obriga a orientar um aluno.
Entra em cena Regulus Black, formado em literatura. Ele não se importa com ciência. Mas está muito interessado no Dr. Potter — especificamente, em como ele ficaria de joelhos, implorando.
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Regulus Black will not rest till the Stagmaker is caught. Even if it means sacrificing his sanity to catch him.
James Potter doesn't just want to be caught, he wants Regulus to see him, to understand him. Ultimately, James wants to devour him.
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James/Regulus Hannibal AUSeries
- Part 2 of The Taste of You (To be Devoured by You)
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Regulus only came back to the small town he hated so much because of his sister. Something else made him stay.
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Regulus’s Father Orion is the minister of magic, with lots of secrets to hide, ones that Regulus wants to discover. Sirius ran away three months ago, leaving Regulus with a lot of anger and even more questions about what went down that night, and what Orion was hiding. In the process of uncovering these secrets, Regulus discovers there’s one thing he wants more than anything else in the world, more than his brother’s love, maybe even more than James’s love: power.
OR
A fic about Regulus Black and the sacrifices he makes to rise to power and a love story about him and James, and the rest of them.
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you can't outrun me, i'm in your bones by st4r_seeker
Fandoms: Harry Potter - J. K. Rowling
16 Oct 2025
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"You don't get it, do you? I spent my entire life waiting for you, for both of you, because then it'd all be worth it. So what if my parents didn't love me? So what if my brother abandoned me? So what if the entire world was against me? I didn't give a shit because I had you!" His voice cracks, "...I was supposed to have you."
The day Regulus turns sixteen the names 'James Potter' and 'Remus Lupin' appear on his skin. It's beautiful. It's exhilarating. It's life altering. Or it would've been, had they wanted anything to do with him.
6 years later, Fate works to fix their mistake.
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The full moon is close, which means Moony is stirring under Remus’ skin. He’s aware, he feels, he has the urge to take.
Regulus knows the one rule established between he and Remus is that he doesn’t provoke the wolf the week leading up to the full moon.
But when Regulus comes home after costume shopping with Lily Evans, that all goes out the window.
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Regulus fucked around, wanted Remus’ knot, and found out.
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- Part 7 of Song-shots
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Each word is a thread, gently stitching Regulus back together, pulling him in from wherever he’s floated. His vision flares white, then blurs into gray. His throat feels impossibly tight, as though the world could seep in around him in a thin trickle of pain. He fights. Against the gag. Against the tears. Against every scratch of fear that claws at his edges. But beneath it all is something teetering on euphoria: the fierce awareness that he is meant to be here. That this is his reckoning and his reward.
_____Regulus exhales slowly. “You want me to bleed for you before you’ll bruise me.”
James’ jaw tightens—but not in frustration. In recognition.
“Yes,” he says. “That’s exactly it.”
Series
- Part 2 of FEEL THE WORLD AROUND YOU
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After Regulus reaches past his 'expiry age' according to pureblood society, and with no marital prospects left except for the opportunists looking to take advantage of the Black family's predicament, he is allowed to marry James on the condition that Regulus will conceive an heir no matter what it costs and that James will move in to live with him into Grimmauld Place.
James follows him into the imperial Black family to protect him.
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Sirius, having had enough of James and Regulus’ mutual pining, devises a plan that leaves them both trapped in his flat. Realising they’re stuck without even a proper door to escape, it quickly becomes evident their only option is to talk… or something like that.
Or: flufftober day 14 - stuck together and “stuck” bingo entry
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- Part 9 of cryme_anocean's jegulus bingo 2025
- Part 14 of cryme_anocean's flufftober 2025
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day 14 - Voyeurism
James is away on a business trip, and instructs his sugar baby Regulus to go have some fun. With the caveat, of course, that James gets to watch.
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James gets to roleplay with his doctor boyfriend Regulus.
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Kinktober 13: Dildos, Dom Bottom/Sub Top, Medical Play
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After a triumphant quidditch game, Regulus has a very interesting encounter in the shower, with no one else but his rival James Potter.
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- Part 27 of Jegulus oneshots
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Artistically Untitled Mess by starling011 for showyourself
Fandoms: Harry Potter - J. K. Rowling
11 Oct 2025
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Remus and Regulus go on a date.
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- Part 2 of Moony and Stardust
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Snake Skin: Smutty One Shots from the White Snake Universe by AliraMaxwell
Fandoms: Harry Potter - J. K. Rowling
10 Oct 2025
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Kinktober 2025 event!
This collection of one shots is directly tied to the official prompts for Kinktober 2025, and will focus on Rem and Regulus. With occasional Barty. (Though after October I may add extra one shots of other smut shots that take place throughout the universe.)
I will mark each chapter with the individual tags, who tops and who bottoms, who is dom or sub, and if it is canon in the universe. (Canon, Psuedo-Canon, Non-Canon, or AU Canon.) So, if the dynamic is not what you are looking for you have the information right at the top.I try to keep Rem fairly ambiguous in descriptors for better projection onto the character, though a few details come through here and there.
Anyways this is babys first Kinktober so go easy on me, but have fun!
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Take My Heart (And Baby Violate It) by cryme_anocean
Fandoms: Harry Potter - J. K. Rowling
09 Oct 2025
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Regulus Black hates his brother and not even his love for James Potter is enough to make him stop. So what if every song he writes is about Sirius? It's not because he loves him. It's not.
Or: the one where Regulus accidentally ends up famous for writing songs about his estranged brother, James intentionally becomes famous for writing songs about his best friend's childhood, and they really have no business falling in love.
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When Regulus Black died, Arthur Crouch was born — an attempt to bury a past filled with insecurities and forbidden desires. Desires that had driven his older brother, Sirius Black, to leave him behind at 12 Grimmauld Place. And yet, even after changing his name, moving to a new city, and starting a new job, Regulus never truly escaped what he felt.
He knew that this attraction made him a filthy person. He fought it with everything he had — though deep down, he was already undeniably submissive to it.
And eventually, he gave in, admitting his love and desires, guided by James Potter, who promised to teach him how to close his eyes and fall for the desire for his family and his boss, not knowing they were all entangled.
Regulus is Sirius’s little brother; Sirius is James’s best friend; James is Evan’s college friend; Evan is Regulus’s cousin; Regulus is Headmaster Remus’s personal assistant; Remus is Sirius’s Dom; Sirius is Barty’s co-worker; Barty is Evan’s Sub; Evan is Remus’s neighbour; Remus is James’s best friend; James is Regulus’s cross-training teacher.
Regulus would always be Sirius’s heart.
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James Potter, who is a Knight, has to protect Regulus Black.
Past bartylus + past jily
This was originally a short story for school, but my gf wanted me to post it, so here !
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Probably shouldn't (But we will anyway) by Pandoras_PlantPot
Fandoms: Harry Potter - J. K. Rowling
08 Oct 2025
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And it was naive of him, really, to believe Regulus couldn’t possibly be that brazen. Because, of course he fucking could. This is Regulus Arcturus Black he’s talking about.
So, yes, James should have seen what happened that night coming from miles and miles away. But it’s not like he’s complaining about the outcome, even if it was categorically a really stupid idea.OR.
Remus and James find out they’ve both been fucking Reg and obviously the only rational conclusion is to fuck it out three-way style?
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"Wait, you've never...?" Barty asks slowly, tentative grin threatening to spread across his stupid face.
"Shut up," Regulus snaps back, feeling oddly embarrassed despite the fact he's literally talking to Barty Crouch Jr, the most embarrassing person to ever have existed.
"No, it's cute!" Barty replies quickly, looking far too pleased, which unsurprisingly doesn't make Regulus feel better in the slightest.
"I'm going to drown myself in a lake," Regulus proclaims dramatically, throwing his hand over his face in despair.
"You can't die a virgin, Reggie!' Barty laughs, leaning over Regulus and pushing his hand from his face, forcing him to look the other man in the eye's.
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Kinktober Day 7 - Virginity
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- Part 7 of Kinktober 2025
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Where the Streets Have No Name by louisepotter2207
Fandoms: Harry Potter - J. K. Rowling, Peter Pan & Related Fandoms
06 Oct 2025
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In a world full of magic, fairies, elves, wizards, bards, princes and kings, there is a long-lost kingdom that has been transformed into a famous children's legend: Neverland and its lost boys.
Or as its inhabitants call it, the kingdom of Gryffindor.
One day, just hours before the coronation of the new Crown Prince of the kingdom of Slytherin, the young prince is kidnapped by a group of pirates who claim to be from this fantasy kingdom. What young Regulus Black didn't expect was to find his runaway older brother among this pirate troupe, and even more surprisingly, to fall in love with his kidnapper, Captain James Potter, or as many know him, Peter Pan.