Brotherly Angst FanFiction

Sharing Beds like Little Kids

Sharing Beds like Little Kids

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black
Tags
Everyone Needs A Hug Fluff and Angst Mild Hurt/Comfort Regulus Black & Sirius Black Have a Good Relationship Why Did I Write This? Regulus Black and Sirius Black Angst Regulus Black Needs a Hug Bed-Wetting Sirius Black is a Little Shit Sirius Black Needs a Hug Brothers Young Sirius Black
Most teenagers did not pee their beds. Sirius Black’s body seemed to forget this whenever he returned home.Not anything weird!!Just wholesome Black Brothers.
As a rule: You got everything I wanted

As a rule: You got everything I wanted

F/F
M/M
Multi
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Original Male Character(s), Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Marlene McKinnon, Evan Rosier, Lily Evans, Barty Crouch Jr.,
Tags
Alternate Universe - Modern Setting Angst Suicidal Thoughts Unrequited Love Brotherly Love Love Confessions Past Child Abuse Angst with a Happy Ending Inspired by Music One-Sided Attraction Heartbreak POV First Person
"What's your favorite horror story?" I don't know. Maybe the one where Sirius has to watch his first love and the love of his life (James Potter and Remus Lupin) love his brother instead.Or in which everyone is in on a secret that could destroy Siriu...
[podfic] Grin

[podfic] Grin

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Albus Dumbledore, Gellert Grindelwald, Ariana Dumbledore, Albus Dumbledore/Gellert Grindelwald, Aberforth Dumbledore, Bathilda Bagshot, Kendra Dumbledore, Elphias Doge
Tags
Emotional Manipulation Protective Siblings Sibling Rivalry Falling In Love Emotional/Psychological Abuse First Kiss Canon Compliant Young Love Slow Build Boys In Love Kind Of POV First Person
Albus Dumbledore falls in love once, at age 17, and spends the rest of his life in self-denial and grief. Why?Torn from Hogwarts a month before his graduation, he spends a summer lonely until he meets Gellert Grindelwald-- 15 years old, charming, wit...
He Ain't Heavy, He's My Brother

He Ain't Heavy, He's My Brother

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Regulus Black & Sirius Black
Tags
Fluff and Angst Fix-It of Sorts Regulus Black Lives Regulus Black Needs a Hug Brotherly Angst Dumb disguises Remus and Sirius being good partners in fighting and missions James Potter as the Missus
Sirius watched as the fainting stars let way to an early sun. Regulus wasn’t there tonight. Perhaps that was an unfair way of putting it, pretending things were one way, when they were not. Placing the blame in places where it doesn’t belong. The sun...
One Hundred Galleons

One Hundred Galleons

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Severus Snape, Lucius Malfoy, Narcissa Black Malfoy, Sirius Black/Original Female Character(s),
Tags
Slow Burn Mutual Pining Bullying Friendship Enemies to Lovers First Wizarding War with Voldemort (Harry Potter) Regulus Black Needs a Hug Sirius Black is a Little Shit Regulus Black Deserves Better Care of Magical Creatures Brotherly Angst Magizoology (Harry Potter)
Aurelia Centore was just a girl who valued her peace and quiet and she would lie, manipulate, concoct, and scheme to get what she wanted. A pacifist at heart but no less cunning, Aurelia was caught in the middle of two brothers on opposite sides of t...
Damn, those eyes (so pretty I could cry) TEST!! JUST IGNORE

Damn, those eyes (so pretty I could cry) TEST!! JUST IGNORE

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, Barty Crouch Jr., Pandora Lovegood, Sirius Black & James Potter, Barty Crouch Jr./Evan Rosier,
Tags
wolfstar Pandora Lovegood and Evan Rosier are Twins Jegulus Rosekiller Regulus Black Needs a Hug Regulus Black Speaks French Pandora Lovegood is a Rosier Sirius Black Speaks French Brotherly Angst
My heart skips a beat when he grabs my hand. I look up at him as he nudges me slightly “James” -//I pause//“I can't, you know I can't.” “Please don’t say that…” *god why does he have to sound so desperate*. I silently avoid his eyes, I couldn’t stand...
Glenval Cay (being rewrtitten)

Glenval Cay (being rewrtitten)

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Regulus Black/James Potter, Sirius Black/Remus Lupin, Mary Macdonald (Harry Potter), Lucius Malfoy, Molly Weasley, Arthur Weasley, Marlene McKinnon/Dorcas Meadowes, Bellatrix Black Lestrange/Rita Skeeter, Barty Crouch Jr./Evan Rosier, Sybill Trelawney, Pandora Lovegood/Lily Evans Potter,
Tags
Pining Not Beta Read Alternate Universe - Muggle Regulus Black & Sirius Black Have a Good Relationship Regulus Black is a Little Shit Fake/Pretend Relationship Fake Marriage Sister Complex Sisters Cousins Brothers Poet Regulus Black
Is Bellatrix Black's engagement to Rodolphus Lestrange purely love? Or is it arranged?Sirius Black, the newest runaway, and in just five years?Find out more in the newest issue of the Daily Mail!"What a load of bull," Narcissa muttered as she read th...
The Black Vendetta

The Black Vendetta

Gen
G
Updated
14.04.2025
Characters
Original Female Character(s), Original Male Character(s), Remus Lupin, Severus Snape, Tom Riddle | Voldemort, Albus Dumbledore, Regulus Black & Sirius Black
Tags
Bickering Grief/Mourning Drug Use Horcruxes Mental Instability Regulus Black-centric Drug Addiction POV Regulus Black Morally Grey Regulus Black POV Sirius Black Morally Grey Sirius Black Guitarist Sirius Black
Sirius is hiding from the Ministry and avoiding conviction for crimes he did not commit. Regulus is on a mission to find him.
The Sky Under The Sea

The Sky Under The Sea

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Pandora Lovegood, Regulus Black & Pandora Lovegood
Tags
Angst Slow Burn Other Additional Tags to Be Added Canon Compliant Opposites Attract Marauders Era (Harry Potter) Regulus Black-centric Enemies to Friends Songfic Regulus Black Needs a Hug Horcrux Hunting Animagus Regulus Black
"Beauty needs an animal to breathe." - Pierce The Veil, "The Sky Under The Sea"Inspired by the Regulus bot on c.ai by @regulusblackcantswim
Black Star

Black Star

M/M
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, Mary Macdonald (Harry Potter), Marlene McKinnon
Tags
Angst Slow Burn Mutual Pining Canon Compliant Friendship Internalized Homophobia Mental Health Issues Happy Ending not really - Freeform Marauders Era (Harry Potter) wolfstar Marauders Friendship (Harry Potter)
Fic following the events of Sirius's time at Hogwarts, seven years. Do I have to tell you this is going to be extremely long?Bringing justice to all the Sirius mischaracterization out there, I can't stand it anymore.Teenage boys need to be studied th...
darling won’t you take me home?

darling won’t you take me home?

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black
Tags
Brotherly Love Past Child Abuse Character Study Bittersweet Background Relationships POV Sirius Black Minor Sirius Black/Remus Lupin Prologue Brotherly Angst no beta we die like reg
title from ‘home’ — good neighbourssirius isn’t sure why he’s taken so long to reunite with his brother. or why, in that time, he’d built him a house.
When The Lights Went Out

When The Lights Went Out

Gen
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black, Walburga Black, Regulus Black & Black Family, Sirius Black & Black Family
Tags
Brotherly Love Hurt Sacrifice Dysfunctional Black Family (Harry Potter) Please Kill Me Black Family Feels (Harry Potter) Brotherly Angst
Sirius and Regulus. Yes, it is kinda bad. Criticism is welcomed. Don't have high expectations.
The last words of regulus black

The last words of regulus black

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Voldemort (Harry Potter), Regulus Black & Sirius Black, Walburga Black, Orion Black, Deatheaters - Character
Tags
Angst Blood and Gore References to Depression Implied/Referenced Child Abuse Blood and Violence Grief/Mourning Canonical Character Death Hurt No Comfort Unresolved Emotional Tension Verbal Abuse Regulus Black and Sirius Black Angst Abusive Parents
This fanfiction is narrated from the perspective of Regulus, starting from the moment he joined the ranks of the Death Eaters and continuing until his untimely demise. Throughout the story, it delves into the harrowing experiences of both Regulus and...
Little Star, Lionheart

Little Star, Lionheart

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Dorcas Meadowes, Albus Dumbledore,
Tags
Fluff Brotherly Love Family Fluff Fluff and Angst Established Relationship Regulus Black & Sirius Black Have a Good Relationship Age Regression/De-Aging Regulus Black and Sirius Black Angst Domestic Family Feels Established Sirius Black/Remus Lupin Brotherly Bonding
What in Merlin's name happened?" Sirius barely held in his voice as he looked at the toddler, no not just any toddler that's his baby brother, his supposed to be fifth year baby brother who now looks like his four year old self
downward

downward

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black
Tags
Light Angst Marauders Era (Harry Potter) Quidditch Brotherly Angst Quidditch Accidents Whumptober 2023 getting the wind knocked out
Regulus has a Quidditch accident and Sirius worries.
Corrupted Souls

Corrupted Souls

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Dorcas Meadowes, Tom Riddle | Voldemort,
Tags
Angst Emotional Manipulation Brotherly Love Family Fluff Character Death Hurt/Comfort Emotional Hurt/Comfort Fluff and Angst Implied/Referenced Child Abuse Time Travel Character Study First Wizarding War with Voldemort (Harry Potter)
The blinding green lights left an aftermath of a storm, a body on the floor eyes open greeting death, a scream, a cry for mercy to spare an innocent, met in cold blood as another green light flashes, a cry and ….Lord VoldemortRiddle…Tom Marvolo Riddl...
Small accident, very small

Small accident, very small

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood,
Tags
Angst Brotherly Love Hurt/Comfort Implied/Referenced Child Abuse Regulus Black is Bad at Feelings Age Regression/De-Aging Regulus Black Needs a Hug Protective Sirius Black Regulus Black Deserves Better Sirius Black Needs a Hug Abused Regulus Black Regulus Black Has Issues
"I'm you're favorite person?" Sirius asked through tears.   "Yes you are," Reggie nodded solemnly "and you always will be, I promise," Sirius bites his lip, he doesn't want to cry in front of the boy but it hurts, it hurts a lot, because in ten...
Ma lumière

Ma lumière

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Sirius Black & James Potter, Horace Slughorn, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter,
Tags
Angst Brotherly Love Implied/Referenced Child Abuse Regulus Black is Bad at Feelings Age Regression/De-Aging Regulus Black and Sirius Black Angst Background rosekiller black brothers Sirius Black Needs a Hug Minor Sirius Black/Remus Lupin Brotherly Bonding Regulus Black Feels
One of the potions lessons went wrong, Sirius wasn't 17 anymore he was 7 and the only person he felt safe with was Regulus, only that 17 year old Sirius hates Regulus and vice versa. But 7 year old Sirius? Regulus is his whole world. Does Regulus hav...
all my love

all my love

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Minerva McGonagall, Albus Dumbledore, Regulus Black & Sirius Black, Kreacher (Harry Potter), Horace Slughorn, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Poppy Pomfrey, Regulus Black & Kreacher, Sirius Black & Minerva McGonagall
Tags
Angst Implied/Referenced Suicide Hurt No Comfort Marauders Era (Harry Potter) Suicide Sirius Black Needs a Hug Suicide Notes Brotherly Angst brain tired tags hard be back later
Sirius doesn’t think there’s anything McGonagall could say, that anyone could say, that could make him feel something other than the absolute, all-consuming despair that comes with the realization that his baby brother died believing that Sirius didn...
Leave this fucked up place behind. But I'll know, I'll know

Leave this fucked up place behind. But I'll know, I'll know

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black, Barty Crouch Jr., Sirius Black & James Potter, Regulus Black & Barty Crouch Jr.
Tags
Angst How Do I Tag Oneshot Regulus Black and Sirius Black Angst Bad Parent Walburga Black Regulus Black Needs a Hug The Noble and Most Ancient House of Black Brotherly Angst
"We both just wanted love and you got it."----------------------------------after a run-in with Sirius, regulus just snaps