Sirius Black Tries to Be a Good Sibling FanFiction

Poems For My Friends

Poems For My Friends

Gen
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Original Female Character(s), Original Male Character(s), Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon,
Tags
Alternate Universe - Modern Setting Friends to Lovers Other Additional Tags to Be Added Everyone Needs A Hug Alternate Universe - College/University New York Self-Indulgent sorry!! Regulus Black & Sirius Black Have a Good Relationship Alternate Universe - Everyone Lives/Nobody Dies Desi James Potter London
James Potter is a pathetic, pathetic man.No, really, he is SO weak for a pretty face!Enter: Regulus Black, and the fated trip that made it out of the groupchat.or,the europe, znmd inspired starchaser+wolfstar fic i wrote on a whim!
Okay? Okay.

Okay? Okay.

M/M
Other
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, Lily Evans Potter, Sirius Black & James Potter
Tags
Fluff Emotional Hurt/Comfort Late Night Conversations Gay Sirius Black Regulus Black & Sirius Black Have a Good Relationship Comfort Best Friends Gay Remus Lupin Bisexual James Potter Sirius Black Tries to Be a Good Sibling James Potter is Bad at Feelings Gay Disaster Sirius Black
"Prongs?""Yeah, Pads?""Don't hurt Reg.""Okay. Now sleep.""Okay."ORWhen Sirius finds his best friend having a crisis at the ass crack of dawn, it really doesn't have to be said what he will do.(OR: an almost 1.5K words long oneshot about prongs and pa...
The boy who wouldn't be black

The boy who wouldn't be black

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Marlene McKinnon/Dorcas Meadowes, Evan Rosier, Pandora Lovegood, Walburga Black,
Tags
Not Canon Compliant No Prank | Sirius Black's Prank on Severus Snape Doesn't Happen Sirius Black Never Went to Azkaban Sirius Black Tries to Be a Good Sibling
A long marauders fic, all the way through Sirius’s years at hogwarts and through war chapters aswell. NOT CANNON COMPLIANT. Sirius has 3 siblings, regulus and then 2 little sisters. Remus isn't a Warewolf (because I forgot to write it in cuz I'm an...
Crucio

Crucio

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Walburga Black, Orion Black
Tags
Trauma Child Abuse Marauders Era (Harry Potter) Marauders Regulus Black Needs a Hug Regulus Black Deserves Better Sirius Black Tries to Be a Good Sibling Sirius Black Needs a Hug Crucio | Cruciatus Curse (Harry Potter) Young Sirius Black Sirius Black Deserves Better
This is a bit of a prequel to my work "Help For Those Who Ask".Regulus knew he hated his brother. He knew he was furious at him, but he didn't realize until that night just how angry he was.Sirius knew Regulus loved him. He knew that under it all, Re...
Sirius Black and The Grandfather Clock

Sirius Black and The Grandfather Clock

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Albus Dumbledore, Regulus Black & Sirius Black, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Sirius Black & Harry Potter, Slytherin Students, Gryffindor Students,
Tags
Marauders Era (Harry Potter) Sort Of Trans Regulus Black Regulus Black Lives Good Regulus Black Harry Potter is a Little Shit Sirius Black Tries to Be a Good Sibling Young Sirius Black Professor Harry Potter Time Travelling Harry Potter Good Sibling Regulus Black Confused Sirius Black
Sirius was leaving. His life-givers were away, no doubt participating in some nefarious plot involving He-Who-Must-Not-Be-Named, but that was for the best. It gave him the time to get the hell out of dodge while they weren't looking.Unfortunately, hi...
Help For Those Who Ask

Help For Those Who Ask

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Minerva McGonagall
Tags
Angst Hurt/Comfort Fluff and Angst Abuse Child Abuse Self-Hatred Sirius Black & James Potter Friendship Protective Minerva McGonagall Supportive Minerva McGonagall Sirius Black Tries to Be a Good Sibling Sirius Black Needs a Hug Young Sirius Black
Minerva McGonagall is observant, she keeps an eye on her students. Though it doesn't take a detective to realize that Sirius Black is not okay. When Minerva sees him in the Great Hall after summer break, he looks broken, like a shell of who he used t...
and still we sleep

and still we sleep

F/M
Gen
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Dead Poets Society (1989)
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
Angst Alternate Universe - Canon Divergence Slow Burn Friends to Lovers Mutual Pining Hurt/Comfort Fluff and Angst Implied/Referenced Child Abuse Found Family Strangers to Lovers Alcohol Abuse/Alcoholism Marauders Era (Harry Potter)
Dead poets society x marauders auKeating is a new Hogwarts professor and Remus and Sirius meet for the first time in his poetry class. Plot elements/character dynamics borrowed from dead poets society but a mostly original story. Slow burn, ANGST ANG...
The Forbidden Spare

The Forbidden Spare

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy,
Tags
Other Additional Tags to Be Added Regulus Black-centric Established Marlene McKinnon/Dorcas Meadowes Regulus Black Lives Pansexual James Potter Sirius Black & James Potter Friendship Background Relationships POV Regulus Black Established Sirius Black/Remus Lupin Regulus Black & Pandora Lovegood Friendship Asexual Peter Pettigrew POV Sirius Black
In the wizarding world, among the noble and pure, mistakes are considered shameful, even the smallest ones. You should not only aim for perfection, you should expect it.Therefore it was only logical that only one heir candidate must be born to each f...
De Corvis et Trochilibus

De Corvis et Trochilibus

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, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes,
Tags
Emotional Manipulation Pining Fire Tragic Romance Regulus Black-centric Author Is Sleep Deprived Metaphors POV James Potter Regulus Black and Sirius Black Angst Bonding its complicated POV Regulus Black
“Do you ever wish you were like that?” he asked. Regulus gave him a questioning look.“Like what?”Evan took another drag from his cigarette, and it almost looked like he burnt himself with the words on his tongue mixing with the nicotine. “Like light....
are you ready to be brave?

are you ready to be brave?

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood
Tags
Angst with a Happy Ending Implied/Referenced Child Abuse Homophobic Language Child Abuse Implied/Referenced Homophobia Pandora Lovegood and Evan Rosier are Twins Regulus Black and Sirius Black Angst Sirius Black Tries to Be a Good Sibling Black Family Angst (Harry Potter) Regulus Black/James Potter in Love Boggarts (Harry Potter) Riddikulus | Boggart-Banishing Spell (Harry Potter)
regulus boggart is sirius being tortured, he’s crying for james and sirius so barty and evan run to get them
Trade Your Heroes for Ghosts

Trade Your Heroes for Ghosts

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling The Maze Runner Series - James Dashner
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Dorcas Meadowes, Kingsley Shacklebolt,
Tags
Angst Character Death Other Additional Tags to Be Added Angst with a Happy Ending Hurt/Comfort Not Beta Read Sexual Tension Remus Lupin & Lily Evans Potter Friendship James Potter Loves Regulus Black Protectiveness Remus Lupin Needs a Hug Regulus Black Loves James Potter
James Potter's head is buzzing and empty when he wakes up in a dark box. He knows nothing about where he is or what he's supposed to do. All he knows is that he must survive - and that he's met Regulus Black before.Regulus was tired of the monotonous...
Anthem of Lamentation

Anthem of Lamentation

Multi
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, Dorcas Meadowes, Albus Dumbledore,
Tags
Werewolves Angst and Hurt/Comfort Implied/Referenced Child Abuse Unhealthy Coping Mechanisms Found Family Kidnapping Misunderstandings Secrets POV Multiple Marauders Era (Harry Potter) POV Remus Lupin Remus Lupin & Lily Evans Potter Friendship
While Remus Lupin braced for homelessness, he never could have prepared himself for the fatal lows and startling highs summer brings. And just when he thinks life will settle, he's blindsided by horrific tragedy. With a Death Eater attack gone awry a...
i've got you, brother

i've got you, brother

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr.
Tags
Regulus Black & Sirius Black Have a Good Relationship Bad Parent Walburga Black Regulus Black Needs a Hug POV Regulus Black Abusive Walburga Black Good Regulus Black Post-Sirius Black's Prank on Severus Snape Sirius Black Tries to Be a Good Sibling Sirius Black Needs a Hug Regulus Black Feels Boggarts (Harry Potter) Riddikulus | Boggart-Banishing Spell (Harry Potter)
If I was dying on my kneesYou would be the one to rescue meAnd if you were drowned at seaI'd give you my lungs so you could breatheI've got you brotheror where regulus has a panic attack before facing his boggart and his brother's support is all he w...
your ocean eyes

your ocean eyes

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, Regulus Black & Sirius Black, Evan Rosier,
Tags
Protective Siblings Not Canon Compliant Enemies to Lovers Gay Regulus Black & Sirius Black Have a Good Relationship BAMF Lily Evans Potter Alternate Universe - Pirate Sirius Black Tries to Be a Good Sibling Language Barrier Protective James Potter BAMF James Potter Big Brothers
mermaid/pirate jegulus au. what more do i even need to say?
It will be ok (I promise)

It will be ok (I promise)

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Ron Weasley, Hermione Granger, Narcissa Black Malfoy, Albus Dumbledore, Lucius Malfoy/Narcissa Black Malfoy, Hermione Granger & Harry Potter & Ron Weasley,
Tags
Fluff and Angst wolfstar Good Friend Ron Weasley No Ron Weasley Bashing Albus Dumbledore Bashing POV Third Person Sirius Black Loves James Potter oh well French Sirius Black The Noble and Most Ancient House of Black Good Narcissa Black Malfoy Sirius Black Tries to Be a Good Sibling
Sirius Black captures Peter Pettigrew in the midst of Harry's third year and in true Sirius Black fashion he does this very publicly and dramatically.After turning Peter in, he goes to his cousins, Narcissa Malfoy, for help. This is post Azkaban so h...
Happy Memories

Happy Memories

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, Sirius Black, James Potter, Dorcas Meadowes, Albus Dumbledore, Evan Rosier, Minor or Background Relationship(s), Barty Crouch Jr., Pandora Lovegood, Walburga Black,
Tags
Fluff Angst Eventual Happy Ending Mutual Pining Unrequited Love Love Confessions Getting Together Torture Fluff and Angst Idiots in Love First Kiss Light Angst
And just like that, Regulus knew he had his patronus memory.“Expecto patronum!” He said, and a silver shape shot from the end of his wand. He heard James’s faint laughter in his ears from the memory, and felt fond. Of course James, one of the biggest...
I’m Still Your Boy

I’m Still Your Boy

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Regulus Black & Sirius Black, Sirius Black & James Potter
Tags
Fluff Angst Hurt/Comfort Boys In Love Happy Ending Regulus Black-centric Trans Regulus Black Oneshot Regulus Black Needs a Hug Regulus Black Deserves Better Sirius Black Tries to Be a Good Sibling Inner Dialogue
Regulus has to make a choice- stay with James or be the daughter his parents expected him to be.
sugar sweet nothings

sugar sweet nothings

M/M
G
Updated
14.04.2025
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., Past James Potter/Lily Evans Potter - Relationship, Past Regulus Black/James Potter - Relationship, Regulus Black/Other(s), James Potter/Other(s)
Tags
Alternate Universe - Modern Setting Other Additional Tags to Be Added Light Angst Reunions Bad Writing Regulus Black & Sirius Black Have a Good Relationship Surprise Party Sirius Black Tries to Be a Good Sibling Non-Consensual Kissing By Disobeying His Brother's Wishes established dynamics Regulus Black Does Not Have a Good Time
"The first thing he noticed was that his door knob had been turned at least thirty degrees to the left."-It's Regulus' party, he'll cry if he wants to.
you say don't ever change (but you don't like me the way i am)

you say don't ever change (but you don't like me the way i am)

Gen
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Sirius Black & James Potter
Tags
Unrequited Love Trans Regulus Black Regulus Black Needs a Hug Sirius Black Tries to Be a Good Sibling I'm sorry Regulus Asked Out On A Dare
“Reg, I just,” James had started, closing his mouth, then continues, “I just thought we could end up being friends.”Grey eyes peer over Sirius’ shoulder, bloodshot and angry. Tears fall in burning streams and land on the floor below. “I will never be...
Of Leaving and Love

Of Leaving and Love

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Black Family (Harry Potter)
Tags
Family Dynamics Canon Compliant Mild Hurt/Comfort Bad Parent Walburga Black Running Away Bad Parent Orion Black Sirius Black Tries to Be a Good Sibling Fuck JKR or not however you want to read it bit he also fails sometimes and that's okay he's a kid Water metaphors
Regulus watches Sirius pack a bag. He watches him walk down to the front door. He watches him leave.But three months later, Sirius is outcast from his second family. Three months later, his brother shows up at his door.And Regulus lets him in.