Regulus Black & Sirius Black Friendship FanFiction

For My Stars

For My Stars

F/F
F/M
M/M
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, Lucius Malfoy,
Tags
Angst with a Happy Ending Regulus Black and Sirius Black Angst Regulus Black and Sirius Black Both Run Away Abusive Walburga Black Animagus Regulus Black Regulus Black & Pandora Lovegood Friendship Indian James Potter Warning: Walburga Black Sirius Black Finds Out About Regulus Black/James Potter Regulus Black & Sirius Black Friendship THE BLACK BROTHERS ARE FRIENDS OK THERE WILL BE ANGST BUT THEY STILL LOVE EACH OTHER narcissa is an icon
It's summer before Sirius's sixth year, and he cannot and will not take it anymore. He devises a plan to run away to live with James, hoping to take Regulus with him, and the two share secrets, stories and go through more drama in the span of two wee...
I don't know why I am the way I am

I don't know why I am the way I am

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Walburga Black, Kreacher (Harry Potter)
Tags
Other Additional Tags to Be Added Sibling Bonding Regulus Black & Sirius Black Have a Good Relationship Bad Parent Walburga Black so is Sirius Regulus Black & Sirius Black Friendship Child Regulus Black but not for a long time! but nothing graphic dw Child Sirius Black regulus is a child prodigy sirius helps reg play the piano
Bonus stuff from Always an angel! Here I will post other POVs or extra scenes.
Wishing on falling stars

Wishing on falling stars

M/M
Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Voldemort (Harry Potter), Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr.,
Tags
Fluff Angst Canon Compliant First Wizarding War with Voldemort (Harry Potter) Post-Hogwarts Hogwarts First Year Regulus Black Dies Regulus Black is a Little Shit If You Squint - Freeform Regulus Black and Sirius Black Angst Canon Universe Sirius Black & James Potter Friendship
Sirius and Regulus are born with a year and a half between them. They die fifteen years apart. This is everything inbetween.or a story following both Sirius and Regulus as they navigate life, from having a brother to losing one. Sirius finds a new fa...
Ready, set, go!

Ready, set, go!

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, Marlene McKinnon, Severus Snape, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier,
Tags
Implied/Referenced Sexual Assault Bisexual Remus Lupin Gay Sirius Black Lesbian Marlene McKinnon Pansexual James Potter Gay Regulus Black Regulus Black Needs a Hug Gay Evan Rosier Lesbian Dorcas Meadowes Gay Barty Crouch Jr. Actor James Potter Pandora Lovegood and Evan Rosier are Siblings
Regulus gets casted for a movie, his co-star being none other than James Potter. Severus Snape has written and is directing said movie. Fuck him.
One Life To Live

One Life To Live

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Sirius Black, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Regulus Black & Sirius Black, Bellatrix Black Lestrange, Walburga Black, Kreacher (Harry Potter), Fabian Prewett
Tags
Torture Regulus Black-centric Regulus Black Dies Regulus Black and Sirius Black Angst Regulus Black & Sirius Black Friendship Brotherly Bonding Sirius Black-centric Death Eater Regulus Black Regulus Black Tries
Regulus Black is apprehended by The Order during a Death Eater raid on a muggle village.He's been planning his mission to the cave and needs Sirius' help to escape so he can retrieve the locket.
the von stein legacies

the von stein legacies

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Narcissa Black Malfoy, Sirius Black/Original Female Character(s), Pandora Lovegood, Regulus Black/Reader, Regulus Black/Original Female Character(s)
Tags
Eventual Happy Ending Arranged Marriage Marauders Era (Harry Potter) Horcrux Hunting i think Regulus Black & Sirius Black Friendship Young Regulus Black
It was like walking into the sun, being with you, it was like walking into the sun for the first time after a terribly long winter.Marauders Era / Regulus Black
so this is christmas

so this is christmas

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter
Tags
Idiots in Love One Shot Alternate Universe - No Voldemort POV Regulus Black Sirius Black is a Little Shit Christmas Fluff Regulus Black & Sirius Black Friendship Santa is Real well at least to james potter
“I told him I was sorry Reg,” Sirius said, barely above a whisper. “I hate that I’m the one that crushed his spirit.” “Well, I hope you thought of a way to make him forget about it. You’ve scarred my boyfriend for life.” ⏤or⏤ I saw a tw...
When you walk Away

When you walk Away

F/F
M/M
G
Updated
15.04.2025
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, Regulus Black & Sirius Black, Evan Rosier,
Tags
Past Child Abuse Alternate Universe - College/University Fluff and Angst Not Beta Read No Smut Recreational Drug Use Regulus Black-centric Remus Lupin & Lily Evans Potter Friendship Regulus Black & Remus Lupin Friendship Alternate Universe - Non-Magical Remus Lupin Uses a Cane Sirius Black & James Potter Friendship
There's not a great way to summarize this fic.However, it's basically a what-if. what if Regulus and Sirius had left together and moved their entire lives to Seatlle Sirius opened a coffee shop near the college Regulus enrolled in. James teaches at t...
Swimming lessons

Swimming lessons

M/M
G
Updated
15.04.2025
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, Minerva McGonagall
Tags
Fluff and Humor First Kiss Teen Romance Feelings Realization Regulus Black & Remus Lupin Friendship Teen Crush Sirius Black & James Potter Friendship Alternate Universe - Hogwarts The Great Lake | The Black Lake (Harry Potter) Swimming Remus Lupin is a Little Shit Puppy Love
“Remus, he doesn’t know how to swim!” Panted Sirius as he pulled Remus’s sleeve.“I’m teaching him.” Explained Remus.“Teaching him!” James threw his socks to Remus’s face as he got into the water. “That is not teaching him." scolded James angry at hi...
The Scrolls of Mischief

The Scrolls of Mischief

F/F
F/M
M/M
G
Updated
12.04.2025
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, Marlene McKinnon, Dorcas Meadowes, Regulus Black & Sirius Black,
Tags
Other Additional Tags to Be Added Dead Dove: Do Not Eat Not Beta Read I Wrote This Instead of Sleeping Marauders Era (Harry Potter) Marauders wolfstar Marauders Friendship (Harry Potter) Kinda Everyone Is Gay Regulus Black is a Little Shit Welsh Remus Lupin
Sirius is just about done with everything in life. The final straw come during the last day of his summer holidays and he's not same since then. He's finally had enough of his mother's parenting and he decided to do something about it. He wasn't sure...
Marauders chatfic

Marauders chatfic

M/M
G
Updated
17.04.2025
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 Other Additional Tags to Be Added Chaos Tags May Change No Plot/Plotless Chatting & Messaging Regulus Black is a Little Shit Sirius Black & James Potter Friendship Regulus Black and Sirius Black Both Run Away James Potter Has ADHD Regulus Black & Sirius Black Friendship Autistic Regulus Black
I really dont know what im doing but here we are anyways...Marauders chatfic!!!
Challenge Accepted

Challenge Accepted

M/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Evan Rosier, Barty Crouch Jr.
Tags
Fluff Love Confessions First Kiss Confessions Cute Sweet Short & Sweet Funny Sirius Black & James Potter Friendship Regulus Black & Sirius Black Friendship Simp James Potter Veritaserum Potion (Harry Potter)
Sirius wants to reconnect with his brother and get to know his friends. Instead of having a conversation like a normal person would, Sirius decides to drug Regulus and his friends with Veritaserum. When asking Regulus what he thinks about James, Siri...
My little brother...Really James

My little brother...Really James

M/M
G
Updated
17.04.2025
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
Tags
Fluff Light Angst Marauders Era (Harry Potter) Sirius Black & James Potter Friendship Regulus Black and Sirius Black Both Run Away Good Regulus Black Regulus Black & Sirius Black Friendship Chaotic Remus Lupin
how Sirius black found out about his best friend dating his little brother. They get into a little argument but they're all fine in the end.
they both die at the end

they both die at the end

M/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Remus Lupin, Sirius Black, James Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Regulus Black & Pandora Lovegood, Regulus Black & Evan Rosier
Tags
Hurt/Comfort Emotional Hurt Crying POV James Potter Gay Regulus Black Everybody Dies Regulus Black & Sirius Black Friendship Regulus Black/James Potter in Love Inspired by They Both Die at the End - Adam Silvera Alternate Universe - They Both Die at the End Fusion
James and Regulus get the call and decide to have their last day together
Beautiful boy (Wolfstar) [ENG]

Beautiful boy (Wolfstar) [ENG]

Gen
M/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Albus Dumbledore
Tags
Flashbacks Marauders Era (Harry Potter) wolfstar jily POV Remus Lupin Gay Sirius Black idk - Freeform How Do I Tag Everyone Is Gay dorlene Alternate Universe - Harry Potter Setting References to David Bowie
After James and Lily's deaths, Remus and Sirius decide to take care of their son, Harry.(Just some cute and happy moments to give this fandom some peace)I also have a Wolfstar playlist of songs that remind me of them, I'll leave it here just in caseh...
Shadow of a Star

Shadow of a Star

F/M
M/M
G
Updated
18.04.2025
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, Minerva McGonagall, Dorcas Meadowes,
Tags
Eventual Happy Ending Original Character(s) Implied/Referenced Torture Fluff and Angst Implied/Referenced Child Abuse Tags May Change Implied/Referenced Character Death Enemies to Lovers Marauders Era (Harry Potter) wolfstar Albus Dumbledore Bashing Regulus Black-centric
⚠️ PAUSED ⚠️Regulus Black believed that love was silly, pointless, and overrated. After all, no one in his life seemed happy with whomever they said they loved, so why should he allow himself to fall for someone? But after a very strange encounter wi...
Seeing without the eyes

Seeing without the eyes

M/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black, Evan Rosier
Tags
Blind Character Regulus Black Loves James Potter Regulus Black & Sirius Black Friendship Mentioned Sirius Black Mentioned Evan Rosier
I saw someone said they wanted to see Blind Regulus Black so i tried something
the dead, the living, and the alone

the dead, the living, and the alone

G
Updated
18.04.2025
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, Evan Rosier,
Tags
Alternate Universe - Zombie Apocalypse Zombies Everyone Is Gay Zombie Apocalypse Sirius Black is a Little Shit Remus Lupin is So Done Regulus Black & Sirius Black Friendship Inspired by The Walking Dead i love the walking dead way too much so why not write about my fave characters in the same world remus lupin hates everyone i literally love remus did i mention i am obsessed with zombies?
Marauders Zombie AUIt’s been 2 years since the outbreak of a new virus has caused zombies to overrule the living, and the marauders have to learn to survive. With the hope of a new, safe way of living known as ‘The Haven’, everyone is desperate to ma...
Black flies

Black flies

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Tom Riddle | Voldemort, Narcissa Black Malfoy, Regulus Black & Sirius Black, Evan Rosier, Andromeda Black Tonks, Walburga Black, Orion Black,
Tags
Not Canon Compliant Angst with a Happy Ending Post-Traumatic Stress Disorder - PTSD Internalized Homophobia wolfstar First Wizarding War with Voldemort (Harry Potter) Regulus Black-centric Sirius Black Lives Regulus Black Lives Somebody Lives/Not Everyone Dies Regulus Black and Sirius Black Angst Dissociation
Sirius barks out a surprised laugh. Regulus hasn't changed at all, has he? The more the things change, the more they stay the same. "You aren't wrong," he admits, shaking his head. "Then, why are you here?" That is a very good question. How...
Middle of Nowhere

Middle of Nowhere

F/F
M/M
G
Updated
18.04.2025
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, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Mary Macdonald, Mary Macdonald/Lily Evans Potter
Tags
Fluff Alternate Universe - Modern Setting Slow Burn Fluff and Angst Texting Alternate Universe - Boarding School Gay Sirius Black Regulus Black & Sirius Black Have a Good Relationship Remus Lupin & Lily Evans Potter Friendship Alternate Universe - Non-Magical Sirius Black & James Potter Friendship POV Alternating
After Sirius causes a scene and the Black family becomes the center of a scandal, he is sent away to Hogwarts boarding school. Needing to catch up in all lessons, Sirius is assigned a student tutor; curly-haired, blunt, and beautiful Remus Lupin. Sir...