Sirius Black Has BPD | Borderline Personality Disorder FanFiction

Leave a Seat for Me on the Train

Leave a Seat for Me on the Train

F/M
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, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Severus Snape, Lucius Malfoy,
Tags
Angst Alternate Universe - Canon Divergence Suicidal Thoughts Post-Traumatic Stress Disorder - PTSD Nightmares Implied/Referenced Child Abuse Flashbacks Abuse Marauders Era (Harry Potter) Marauders Friendship (Harry Potter) Eating Disorders Regulus Black and Sirius Black Angst
"Sirius Black did not cry that night.He watched the skull with a snake coming out of its mouth drawn on his leftarm." What would happen if Sirius Black hadn't been able to escape from Grimmauld Place and go to James Potter?What would happen if Sirius...
The Body Keeps The Score

The Body Keeps The Score

Multi
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, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Evan Rosier, Barty Crouch Jr.
Tags
Modern Era Slow Burn Angst with a Happy Ending Emotional Hurt/Comfort Explicit Sexual Content Unresolved Sexual Tension Unreliable Narrator Pining Mental Health Issues wolfstar POV Remus Lupin Bisexual Remus Lupin
Sirius Black doesn’t believe in fate.But if he did, he’d blame it on a tattoo.One impulsive ink session drags an old friend of James’—Remus Lupin—into Sirius’ world. One minute he’s saying he’d never get a tattoo, the next he’s back at Remus’ shop ev...
Stars aligned.

Stars aligned.

F/F
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Dorcas Meadowes, Narcissa Black Malfoy, Evan Rosier,
Tags
Heavy Angst Hurt/Comfort Nightmares Blood and Violence POV Multiple Trans Regulus Black Pandora Lovegood and Evan Rosier are Twins Welsh Remus Lupin Desi James Potter Nonbinary Sirius Black German Peter Pettigrew Morally Grey Sirius Black
Two weeks after The Prank, Sirius disappears, 268 days later, James gets a set of tapes on his bed.2 years later, Sirius is back, and he's stopped the future war, and played matchmaker.
the curse of the black family madness

the curse of the black family madness

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Sirius Black & James Potter
Tags
Sirius Black Has BPD | Borderline Personality Disorder Black Family Madness (Harry Potter) remus fixes everything
how Sirius slowly lost grip on his own sanity, doomed to the same madness as everybody in his familyOrSirius is wildly traumatised by his past, materialising in him having BPD
Brightest Star in the Sky

Brightest Star in the Sky

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, Severus Snape, Sirius Black & James Potter, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter
Tags
Character Study Borderline Personality Disorder Sirius Black Needs Therapy Sirius Black Has BPD | Borderline Personality Disorder
i got bored
Do the stars ever see the sun?

Do the stars ever see the sun?

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Marlene McKinnon, Regulus Black & Sirius Black, Euphemia Potter, Fleamont Potter, Minor or Background Relationship(s), Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Sirius Black/James Potter, others not tagged - Character
Tags
Slow Burn Heavy Angst Unhealthy Coping Mechanisms cursing Gay Sirius Black Underage Drinking Underage Smoking Regulus Black & Sirius Black Have a Good Relationship Regulus Black is Bad at Feelings Author Is Sleep Deprived Alternate Universe - No Voldemort Trans Regulus Black
James, Sirius, Remus, and Peter are all riding the same train, to the same school, they meet at 11 and grow up together. They meet new people, try new things, and find out new things as well. The times Sirius heart soared and broke, truly tragic.
Stars & Scars

Stars & Scars

F/F
M/M
Multi
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
Angst Depression Explicit Language Sexual Content Hurt/Comfort Post-Traumatic Stress Disorder - PTSD Trans Male Character Self-Harm Alternate Universe - College/University Fluff and Angst Unhealthy Coping Mechanisms Trauma
Regulus Black is about to enter University and leave his old life behind him which is easier said than done. He thinks that going across the country is enough to forget all that happened but is met with the harsh reality that trauma never fully goes...
The Balliol Boys - Marauders WIP.

The Balliol Boys - Marauders WIP.

Gen
M/M
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, Marlene McKinnon, Minerva McGonagall, Severus Snape, Dorcas Meadowes,
Tags
Fluff Alternate Universe - Modern Setting Slow Burn Eventual Smut Hurt/Comfort Alternate Universe - College/University no beta we die like men wolfstar Alternate Universe - Muggle College Gay Remus Lupin Slow Burn Sirius Black/Remus Lupin
Sirius Black enters his first year at Oxford University, hellbent on separating from the family name. Remus Lupin comes to Oxford University hoping to find his home, his English Degree, and why he doesn't like women. Along the way, Peter copes with u...
Anti-hero (prank not should end this way)

Anti-hero (prank not should end this way)

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, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Severus Snape,
Tags
Self-Harm Trans Regulus Black Regulus Black and Sirius Black Angst Self-Hatred Werewolf Remus Lupin Young James Potter Remus Lupin Needs a Hug Post-Sirius Black's Prank on Severus Snape Title from a Taylor Swift Song Genderfluid Sirius Black POV Sirius Black Sirius Black Has BPD | Borderline Personality Disorder
A more tragic, cruel and angst story after the prank. There are triggering warrings before each chapter whose content may be triggering. If you're looking for fluff or consolation, you won't find it here. If you like suffering and a lot of pain, you'...
Promises that break you right back

Promises that break you right back

F/F
F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Sirius Black, James Potter, Marlene McKinnon/Dorcas Meadowes, Lily Evans Potter/Severus Snape, Barty Crouch Jr./Evan Rosier, Original Black Family Characters (Harry Potter), Peter Pettigrew & Original Female Character(s)
Tags
Suicidal Thoughts Sibling Bonding Implied/Referenced Child Abuse Dissociative Identity Disorder Marauders Era (Harry Potter) Regulus Black-centric Bipolar Disorder Trans Regulus Black Chaotic Barty Crouch Jr. Asexual Character Therapy Pets
my pinterest fic visuels = https://pin.it/2C21LriRegulus didn't know who he was ? It wasn't a question before "Sirius littel brother". But when Sirius left to love freely. That question was answered for Regulus.On his forehead was stamped : the hei...
Say don't go

Say don't go

M/M
Multi
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, James Potter/Regulus Black, Regulus Black/Remus Lupin, Regulus Black/Sirius Black, Regulus Black/Sirius Black/Remus Lupin/James Potter, James Potter/Remus Lupin
Tags
Fluff Angst Hurt/Comfort Self-Harm Implied/Referenced Self-Harm Implied/Referenced Child Abuse Dead Dove: Do Not Eat Kinda Based on a Taylor Swift Song Taylor Swift References Title from a Taylor Swift Song Taylor Swift Song Lyrics
Sirius gets a letter from his parents and it ends in a BPD meltdown so Remus has James get Regulus to help calm him down and clean up the mess.
the outshining star + the moon

the outshining star + the moon

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Sirius Black/Remus Lupin, Remus Lupin, Sirius Black
Tags
Time Skips Character Death Sad Ending Werewolf Remus Lupin POV Sirius Black Sirius Black Needs a Hug The Great Lake | The Black Lake (Harry Potter) Sirius Black Has BPD | Borderline Personality Disorder Sad Sirius Black
Sirius stares. He has no emotions, no words, so he stares. His Moony is the same as he had been when Sirius locked eyes on him almost 50 years ago and knew he'd found his perfect match. Except now he's gone, his body rests in a pool of blood, soulnes...
Safe place club

Safe place club

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, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy,
Tags
Internalized Homophobia Marauders Era (Harry Potter) Marauders Bisexual Remus Lupin Gay Sirius Black Marauders Friendship (Harry Potter) Everyone Is Gay Trans Regulus Black Rainbows References to David Bowie Black Family Drama (Harry Potter) Established Sirius Black/Remus Lupin
Sirius NO

Sirius NO

M/M
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
Tags
Emotional Hurt/Comfort Angst and Hurt/Comfort Suicide Attempt Mental Health Issues wolfstar Gay Sirius Black Mental Instability Mental Breakdown Established Sirius Black/Remus Lupin Sirius Black is a Little Shit Protective Remus Lupin Sirius Black/Remus Lupin In Love
"SIRIUS NO" Remus couldn't count how many times he said or shouted. this short two-word phrase. He repeatedly forbade his friend to do something, and later his boyfriend. Of course, he didn't always listen and Remus often repeated himself.Sirius acte...
Meet my melancholy blues

Meet my melancholy blues

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original 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, Minerva McGonagall,
Tags
Alternate Universe - Canon Divergence Depression Past Child Abuse Idiots in Love Politics Chronic Illness Young Love Trust Issues Second Chances Lesbian Marlene McKinnon Addiction Regulus Black & Sirius Black Have a Good Relationship
Sirius made a grave mistake and lost Remus, his best friend (but also lover, he was just in denial)Remus' parents took him out of Hogwarts after THE prank, and he finished his last two years at Durmstrang.Four years go by and they both end up in Lond...
Through Bookshelves And Pages

Through Bookshelves And Pages

Multi
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Dorcas Meadowes, Lily Evans, Pandora Lovegood, Mary McKinnon
Tags
Alternate Universe - Modern Setting Tooth-Rotting Fluff Bisexual Remus Lupin Alternate Universe - Muggle Comfort No Hurt Pansexual James Potter Bisexual Sirius Black Sirius Black Has BPD | Borderline Personality Disorder remus lupin is gay Peter and Remus are best friends guys Marlily Mentioned Pandora and Dorcas are so sweet actually
Remus and Peter are best friends- Peter is Remus’s only friend at their public school. But James and Sirius- rich boys at a rich public school- plan to change that.Anyways, they’re all happy and nothing’s wrong. They are happy.YALL THIS WILL NEVER BE...
How Soon Is Now?

How Soon Is Now?

F/F
F/M
M/M
Multi
G
Updated
18.04.2025
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, Minerva McGonagall,
Tags
Pining Mental Health Issues Marauders Era (Harry Potter) Marauders Friendship (Harry Potter) Hogwarts lots of pining Trans Regulus Black Sirius Black Has BPD | Borderline Personality Disorder Sirius POV marauders at hogwarts i guess?? except i might change some things bc they make absolutely no sense to me lots of gay stuff of course
Marauders at Hogwarts!! and possibly some time after. Just them having fun?? And also mental illness? And gay things yk yeah. Just ur regular marauders fic
Cries of deserted birds.

Cries of deserted birds.

F/F
F/M
M/M
G
Updated
18.04.2025
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, Lyall Lupin,
Tags
Friends to Lovers Unrequited Love Not Canon Compliant Bigotry & Prejudice Enemies to Lovers Drug Use Trauma Mental Health Issues Marauders Era (Harry Potter) Lesbian Marlene McKinnon Marauders Friendship (Harry Potter) Addiction
Stories of the wizards and witches of the 1970s, (hint they’re all gay)Long fic following the life of Sirius black, through the ups and downs, also other characters, but mainly from Sirius's perspective.But there´s no Voldemort, so there's more room...