Regulus Black & Remus Lupin Friendship FanFiction

Sink or Swim

Sink or Swim

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Dorcas Meadowes, Narcissa Black Malfoy, Evan Rosier,
Tags
Other Additional Tags to Be Added Fluff and Smut Idiots in Love Slow To Update Albus Dumbledore Bashing Regulus Black-centric Work In Progress Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship Angst and Tragedy Regulus Black Needs a Hug Past Regulus Black/Barty Crouch Jr.
Have you ever been in one of those situations where you knew deep down that no matter what you did, things would never go the way you wanted them to?Regulus Black seems to always find himself in situations like those. No matter how hard he tries, thi...
Stranger Danger (not really but oh well)

Stranger Danger (not really but oh well)

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Dorcas Meadowes, Evan Rosier, Barty Crouch Jr., Pandora Lovegood
Tags
Alternate Universe - Modern Setting Other Additional Tags to Be Added Getting Together Texting Nicknames Strangers to Lovers Regulus Black & Sirius Black Have a Good Relationship Gay Panic Regulus Black & Remus Lupin Friendship Established Sirius Black/Remus Lupin mostly - Freeform Regulus Black & Remus Lupin & Lily Evans Potter Friendship
Regulus attempts to be mad at his brother and acquires a random stranger/very hot boyfriendThank you to my beta readers Lucinda (breadstickobsession) and Finn (Gayhorrorfan) You both are wonderful (most of the time)
You’re here, in the death of me

You’re here, in the death of me

F/F
F/M
Gen
M/M
Multi
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes,
Tags
Angst Hurt/Comfort Regulus Black-centric Trans Regulus Black Pansexual James Potter POV James Potter Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship James Potter Loves Regulus Black Sirius is a singer songwriter They’re all singer songwriters except Remus he doesn’t sing but he plays lots of instruments
When life gets suffocating you run, usually, maybe, if you’re Regulus Black, if there’s something better to live for.**Five years after it all goes down, James and co. return to town.Memories haunt, and all that.
Always, Forever, Running Back To You

Always, Forever, Running Back To You

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Sirius Black/Remus Lupin, Regulus Black & Sirius Black, Regulus Black & Remus Lupin
Tags
Blood and Injury Angst with a Happy Ending Fluff and Humor Emotional Hurt/Comfort Angst and Hurt/Comfort Domestic Fluff Alternate Universe - Muggle Regulus Black & Sirius Black Have a Good Relationship Hospitals Regulus Black & Remus Lupin Friendship James Potter Loves Regulus Black Established Sirius Black/Remus Lupin
James falls off a ladder while changing a light bulb and gets badly hurt, Regulus loses his mind, and Remus is surprisingly calm in crisis.Featuring, moonwater's book club, Sirius being a good brother, and James high on pain meds in the hospital.
Coffe & Baked goods

Coffe & Baked goods

F/M
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Pandora Lovegood, Regulus Black & Remus Lupin
Tags
First Kiss Regulus Black & Sirius Black Have a Good Relationship Alternate Universe - Coffee Shops & Cafés Regulus Black & Remus Lupin Friendship Sirius Black & James Potter Friendship Kissing in the Rain
Regulus has been working in a coffee shop with his best friend Remus for a while. So what happens if Regulus had a teeny tiny crush on the guy who works the bakery across the street?
The wolf and the cat

The wolf and the cat

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Regulus Black & Remus Lupin
Tags
Angst Eventual Happy Ending Angst with a Happy Ending Fluff and Angst Platonic Cuddling The Author Regrets Nothing Platonic Kissing Regulus Black & Remus Lupin Friendship Platonic MoonWater Animagus Regulus Black Post-Sirius Black's Prank on Severus Snape because I say so
After the prank, Remus has no one, until he finds an unlikely friendship in none other that Regulus Black. They find comfort in each other, and eventually save each other.
It’s called a relationship

It’s called a relationship

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Sirius Black & James Potter, Regulus Black & Remus Lupin
Tags
Alternate Universe - Modern Setting Regulus Black & Sirius Black Have a Good Relationship Regulus Black & Remus Lupin Friendship Sirius Black Finds Out About Regulus Black/James Potter they live together no beta we die like all of them in canon Established Regulus Black/James Potter Dramatic Sirius Black and so does James with Sirius Regulus Black is unbothered
Regulus Black comes home and spills his and James' biggest secret by accident (or is it (; ) to the person who is guaranteed to react the absolute worst.
Tu sais ce qu'on dit

Tu sais ce qu'on dit

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Regulus Black & Sirius Black, Petunia Evans Dursley
Tags
Not Canon Compliant Other Additional Tags to Be Added Happy Ending Tags Are Hard Regulus Black & Sirius Black Have a Good Relationship Remus Lupin & Lily Evans Potter Friendship Regulus Black & Remus Lupin Friendship Gay Remus Lupin Platonic MoonWater Regulus Black and Sirius Black Both Run Away Regulus Black & Remus Lupin & Lily Evans Potter Friendship Regulus Black & Lily Evans Potter Friendship
Regulus Black comes to notice how his manipulative parents, Orion and Walburga, have been drowning him in their ideals. He starts to realize that he has the power to make his own judgments about who is truly good for him, independent of his parents'...
A Futile Summer

A Futile Summer

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier, Lily Evans,
Tags
Alternate Universe - Modern Setting Mutual Pining Angst with a Happy Ending Hurt/Comfort Unresolved Sexual Tension Secret Relationship Yearning Alternate Universe - Muggle Regulus Black & Sirius Black Have a Good Relationship Established Mary Macdonald/Lily Evans Potter Established Marlene McKinnon/Dorcas Meadowes Regulus Black is a Little Shit
“It’s obnoxious. You’re rude.” Regulus rolls his eyes, and James mocks offense.“You’re rude!” James slurred, his drunkenness taking over him.Regulus blinks at him. “Oh, look. Let’s add to that—you’re very rude, very obnoxious and absurdly childish.”“...
The Family Black

The Family Black

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon/Dorcas Meadowes, Alice Longbottom, Minor or Background Relationship(s), Barty Crouch Jr./Evan Rosier, Marauders (Harry Potter)
Tags
Slow Burn Angst with a Happy Ending Emotional Hurt/Comfort Enemies to Friends to Lovers Alternate Universe - Muggle Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship Gay Regulus Black POV Regulus Black Christmas Fluff Christmas Presents Bi-James Potter
Regulus had two options: spend Christmas with his Mother and Father after coming out or go with Remus to the Potters. It was a hard choice. Being around Potter for a week would not be the worst thing ever, at least he hoped. Surely he would be far to...
And I Go Back To December All The Time

And I Go Back To December All The Time

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Gilderoy Lockhart, Pandora Lovegood,
Tags
Slow Burn Mutual Pining Angst with a Happy Ending Angst and Hurt/Comfort Happy Ending POV Multiple Second Chances Alternate Universe - Muggle Inspired by Taylor Swift Regulus Black & Remus Lupin Friendship Remus Lupin Needs a Hug Regret
Remus misses winter, not for the snow or the twinkling lights, but for the memory of a man with stormy grey eyes and black hair who shattered his heart and froze his world with a single choice. The days keep moving forward, but he’s still stuck in a...
Every Breath You Take (I’ll be Watching You)

Every Breath You Take (I’ll be Watching You)

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall,
Tags
Slow Burn Protective Siblings Angst with a Happy Ending Hurt/Comfort Everyone Needs A Hug Found Family Childhood Trauma Childhood Friends Minor Character Death Band Fic Alternate Universe - Muggle Everyone Needs Therapy
hello, I’m super excited about this fanfiction! I want to explore themes of young adult struggles and music (there’s going to be a lot of music, like, a lot of music).the number of original characters might seem overwhelming at first, but I promise t...
there's no ship on my sea

there's no ship on my sea

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Pandora Lovegood, Poppy Pomfrey
Tags
Angst Getting Together Falling In Love Pining Mental Health Issues Jealousy Alternate Universe POV James Potter Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship Gay Regulus Black Regulus Black Needs a Hug
Every year, young witches and wizards leave home at sixteen to begin their training period. For Regulus Black, this means venturing into an unfamiliar world with only his broomstick, his cat Nightshade, and a chip on his shoulder.What could possibly...
Hit the slopes

Hit the slopes

F/F
F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes,
Tags
Smut Emotional Hurt/Comfort Implied Sexual Content Implied/Referenced Child Abuse Jealousy Marauders Era (Harry Potter) Everyone Is Gay Angst and Fluff and Smut Trans Regulus Black Pandora Lovegood and Evan Rosier are Twins Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship
In the French Hautes-Alpes, at one of the highest and most famous ski resorts in the region—Montgenèvre—many people will find themselves, clash, but never lose sight of each other again.Among them, a cancer survivor named Sirius Black is determined t...
the sky turned black like the perfect storm

the sky turned black like the perfect storm

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Regulus Black & Sirius Black, Andromeda Black Tonks, Walburga Black, Orion Black
Tags
Regulus Black & Sirius Black Have a Good Relationship Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship James Potter Loves Regulus Black Regulus Black Needs a Hug Post-Sirius Black's Prank on Severus Snape Sad Regulus Black Sirius Black Needs a Hug Number Twelve Grimmauld Place Warning: Walburga Black Remus Lupin Loves Sirius Black Sad Sirius Black
There was nothing more powerful and persevering than James Potter when he set his mind to something .In the very first second after Sirius Black disappeared in the crowd of people following his mother and brother back to that bloody house, James knew...
Fresh Out the Slammer

Fresh Out the Slammer

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Peter Pettigrew, Severus Snape, Ron Weasley, Hermione Granger, Albus Dumbledore, Regulus Black & Sirius Black, Minor Characters,
Tags
Alternate Universe - Canon Divergence Angst with a Happy Ending Marauders Era (Harry Potter) Past Regulus Black/James Potter The Golden Trio Era (Harry Potter) Regulus Black Lives Regulus Black and Sirius Black Angst Regulus Black & Remus Lupin Friendship Family Reunions Past James Potter/Lily Evans Potter Teacher Remus Lupin Sirius Black Escapes from Azkaban
Remus Lupin thought he had left his past behind—until Sirius Black escaped from Azkaban. Twelve years ago, he lost everything: his best friends, his sense of safety, and the love of his life, all because of Sirius’ betrayal. Regulus Black’s life shat...
One thing can lead to another

One thing can lead to another

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Regulus Black & Sirius Black, Regulus Black & Remus Lupin
Tags
Fluff Tooth-Rotting Fluff I Wrote This Instead of Sleeping I Can't Believe I Wrote This I'm Sorry I'm Bad At Tagging How Do I Tag Regulus Black & Sirius Black Have a Good Relationship I Don't Even Know Bad Spelling & Grammar Regulus Black & Remus Lupin Friendship James Potter Loves Regulus Black
regulus and remus er fiendsregulus i head over heels for JamesJames is head over heels for RegulusThey are two big idiots
Between The Pages, Where The Gladwyns Grow

Between The Pages, Where The Gladwyns Grow

F/F
F/M
M/M
Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Dorcas Meadowes,
Tags
Slow Burn Other Additional Tags to Be Added Slow To Update POV Remus Lupin Alternate Universe - Muggle Remus Lupin & Lily Evans Potter Friendship Regulus Black & Remus Lupin Friendship Regulus Black Needs a Hug Remus Lupin Needs a Hug Sirius Black is a Little Shit Remus Lupin is Not Okay James Potter is Bad at Flirting
“You know, you don’t have to write it all down straight away. It’s a terrifying thing to do. You can start small.” She offers. “What am I supposed to write?” He asks her. “Anything, I suppose. What you like, what you don’t, things you see, the name o...
Temptations tattooed on my brain

Temptations tattooed on my brain

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Evan Rosier, Euphemia Potter, Fleamont Potter, Barty Crouch Jr., Poppy Pomfrey
Tags
Alternate Universe - Modern Setting Implied/Referenced Child Abuse Homophobia Alternate Universe - Muggle Hospitals POV James Potter Regulus Black & Remus Lupin Friendship Regulus Black Needs a Hug Sirius Black & James Potter Friendship Alternate Universe - Hospital Love at First Sight Desi James Potter
“Hm”, James hummed, “I think I can change your mind about relationships.”“Nah, I don’t think so”, Regulus laughed.James smiled at the most gorgeous person he had ever laid his eyes on and shrugged his shoulders, feigning nonchalance. “You know, I tol...
The moon and the stars

The moon and the stars

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Regulus Black & Sirius Black,
Tags
Alternate Universe - Canon Divergence Canon-Typical Violence First Kiss Minor Character Death Marauders Era (Harry Potter) First Wizarding War with Voldemort (Harry Potter) Pre-First Wizarding War with Voldemort (Harry Potter) Alternate Universe - Everyone Lives/Nobody Dies Regulus Black & Remus Lupin Friendship Platonic MoonWater
Remus ha pasado años ocultando su amor por su mejor amigo, Sirius Black.Regulus, lucha por reprimir sus propios sentimientos por James Potter.Atrapados en la maraña de emociones no correspondidas, Remus y Regulus comienzan a pasar tiempo juntos y dec...