sibling angst FanFiction

Black Chest of the Lion

Black Chest of the Lion

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, Peter Pettigrew, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Regulus Black & Barty Crouch Jr. & Evan Rosier
Tags
Alternate Universe - Canon Divergence Other Additional Tags to Be Added Regulus Black Needs a Hug i think black brothers slytherin skittles Hogwarts Era we shall see de-aging fic sibling fic at core squint a bit and there are gays But it's slow
Regulus Black is working on a mysterious potion when his brother walks in along with his friends. It is the usual banter of Sirius making a fool of himself and playing with Regulus' nerves until things go wrong so suddenly.or,Potion accident leaves t...
A House, A Name, A Brother

A House, A Name, A Brother

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Euphemia Potter, Fleamont Potter, Walburga Black, Orion Black
Tags
Angst Alternate Universe - Canon Divergence Sad Found Family Guilt Minor Violence Lies Regulus Black and Sirius Black Angst Abusive Parents Bad Parent Walburga Black Regulus Black Needs a Hug Sirius Black & James Potter Friendship
Read at Your Own Risk (But Please Do Read It) 🖤Sirius Black wakes up at the Potters’ house expecting a normal morning—coffee, mild chaos, maybe an argument about toast. Instead, he’s met with wary glances and a newspaper headline that changes everyt...
this town is for the record now

this town is for the record now

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
People Will Die sibling angst unrequited snily tbh no one talks about the evans sisters so ILL talk about the evans sisters and do it happily i shall shea motivated me to finish this okay enjoy please be nice to me its the law canon compliant sorry guys
the evans sisters. that's all. thank you for coming to my ted talk.
negative space

negative space

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Regulus Black & Sirius Black, Lily Evans, Petunia Evans Dursley, Sirius Black & Lily Evans Potter, Petunia Evans Dursley & Lily Evans Potter
Tags
Angst Siblings Canonical Character Death Canon Compliant First Wizarding War with Voldemort (Harry Potter) Regulus Black and Sirius Black Angst Sibling Love POV Sirius Black Sirius Black & Lily Evans Potter Friendship sibling angst complicated sibling dynamics
the absence of something is also a presence-half of a tale of two sets of siblings destined to always be without their matching pair throughout the years
Pandora's Box

Pandora's Box

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, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes,
Tags
Angst Slow Burn Character Death Hurt/Comfort Sad Fluff and Angst Found Family Major Character Injury Minor Character Death Minor Injuries Tragic Romance Heartbreak
Pandora Rosier's mind is loud, it is filled with constant thoughts and ideas. Pandora has a good understanding of life. Or at least she thought she did.This fic (If stay consistent) will cover Pandora's fifth year at Hogwarts through her death. It wi...
The Lunatic is in My Head

The Lunatic is in My Head

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, Dorcas Meadowes, Narcissa Black Malfoy, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Walburga Black,
Tags
Angst Hurt/Comfort Implied/Referenced Child Abuse Character Study Unreliable Narrator Guilt Internalized Homophobia Drug Use Happy Ending Death I'm Bad At Tagging Love
Regulus walks through his memories (not exactly linear) and is joined throughout by various important people in his life, though they might be slightly distorted through his perspective of them. Set in Regulus’ brain, or mind, or thoughts, or memorie...
you used to tell me i was brave

you used to tell me i was brave

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black
Tags
Heavy Angst Implied/Referenced Child Abuse Canon Compliant Epistolary No beta we die like regulus Protective Sibling Sirius Black sibling angst
A collection of brief letters Sirius writes his brother after escaping to the Potters.
Anthology: The Noble House of Black

Anthology: The Noble House of Black

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Narcissa Black Malfoy, Regulus Black & Sirius Black, Andromeda Black Tonks, Bellatrix Black Lestrange, Lucius Malfoy/Narcissa Black Malfoy, Walburga Black, Orion Black, Kreacher (Harry Potter), Cygnus Black III | Walburga Black's Brother, Bellatrix Black Lestrange & Narcissa Black Malfoy & Andromeda Black Tonks,
Tags
Angst Post-Traumatic Stress Disorder - PTSD Author Is Sleep Deprived Death Eaters The Noble and Most Ancient House of Black sibling angst Somewhat Canon Interpretation warning abuse Negligence
Short stories about different figures in the House of Black. This is somewhat canon interpretation of the House of Black, I do not intend to make them redeemable or intercept with their moral standing. The House of Black is a noble family with tradit...
Monsters and the Sun

Monsters and the Sun

Gen
Multi
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, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Lily Evans, Minor or Background Relationship(s), Barty Crouch Jr.,
Tags
Angst Other Additional Tags to Be Added Hurt/Comfort My First AO3 Post My First Fanfic inspired by a song sibling angst
Sirius ran away and now Regulus sees monsters. But the sun always makes the monsters run away. (I promise this fic is better than the shit excuse for a summary, but it is my first fic.)
Lily Evans' Green Thumb

Lily Evans' Green Thumb

F/F
F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, 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,
Tags
Character Death Marauders Era (Harry Potter) Pansexual James Potter Bisexual Lily Evans Potter no beta we die like james sibling angst Lily Evans centric
Lily is in her 4th year when Peter suggested she garden- starting with an enchanted petunia.A Lily Evans-centric fic that follows her from her first year.
There Was a Time When I Loved You

There Was a Time When I Loved You

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Lily Evans Potter, Narcissa Black Malfoy, Regulus Black & Sirius Black, Andromeda Black Tonks, Bellatrix Black Lestrange, Petunia Evans Dursley, Bellatrix Black Lestrange & Narcissa Black Malfoy & Andromeda Black Tonks, Petunia Evans Dursley & Lily Evans Potter
Tags
Angst Wizarding World (Harry Potter) Regulus Black Needs a Hug Sibling Love Sirius Black Needs a Hug Minor Lucius Malfoy/Narcissa Black Malfoy Minor Andromeda Black Tonks/Ted Tonks Wizarding Wars (Harry Potter) sibling angst
Collection of one shots based on the relationship of these siblings.
The Star-Crossed Siblings

The Star-Crossed Siblings

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, Severus Snape, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Albus Dumbledore,
Tags
Hurt/Comfort Trans Male Character Fluff and Angst Queer Themes Gay Marauders Era (Harry Potter) Marauders wolfstar Everyone Is Gay Trans Regulus Black LGBTQ Character Tears
What if instead of the Black Brothers, there would be the Black siblings? And what if Sirius and Regulus had a younger Sister named Vega?Vega Black is around 6 years old when she realizes that her family is not like most families. That her family is...
the stars that bind us

the stars that bind us

F/F
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, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Alice Longbottom, Regulus Black & Sirius Black,
Tags
Alternate Universe - Modern Setting Angst Family Drama Family Dynamics Hurt/Comfort Fluff and Angst Implied/Referenced Child Abuse Trans Regulus Black Established Sirius Black/Remus Lupin Family Reunions Warning: Walburga Black sibling angst
Regulus is an author of four, soon to be five, books all written under a pen name. They tell the stories of each of his cousins, brother, and himself, and how they left home and each other. He has done his best to keep them from finding out about his...