Jealous Regulus Black FanFiction

Why is it always Regulus?!

Why is it always Regulus?!

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original 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,
Tags
Angst Slow Burn Betrayal Suicidal Thoughts Protective Siblings Original Character(s) Blood and Injury Hurt/Comfort Post-Traumatic Stress Disorder - PTSD Implied/Referenced Torture Everyone Needs A Hug First Kiss
The Wizarding World was talking about it, the rumours were spreading faster than ever. People will always remember the day the darkest wizard of all time had fallen, the day he was defeated by just a baby.This is the story of the boy who lived,Regulu...
You get one year to kill him, brother

You get one year to kill him, brother

F/M
M/M
G
Updated
13.04.2025
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, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes
Tags
Alternate Universe - Vampire Alternate Universe - Muggle Regulus Black is Bad at Feelings Alternate Universe - High School Regulus Black is a Little Shit Sirius Black & James Potter Friendship Werewolf Remus Lupin Protective Sirius Black Jealous Remus Lupin Jealous Regulus Black Peter Pettigrew Being An Asshole Vampire Sirius Black
Regulus can't stand the sight of Sirius being all friendly with humans. He's a disgrace on their reputation as an ancient vampire family. His solution is a simple promise: if Sirius hasn't killed James Potter by the end of the year, he will.But thing...
Code Black

Code Black

M/M
Multi
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Minerva McGonagall, Dorcas Meadowes, Evan Rosier, Barty Crouch Jr., Pandora Lovegood
Tags
Tension Angst Slow Burn Emotional Hurt/Comfort Pining One Night Stands Regulus Black and Sirius Black Angst Workplace Relationship medical drama Jealous James Potter slowish burn Jealous Regulus Black
Regulus Black’s world is upended when he wakes up next to James Potter after a one-night stand—only to find out James is his mentor at St. Mungo’s. As he navigates his first day as a Healer-in-Training, he’s also forced to confront his estranged brot...
I crave to say your name

I crave to say your name

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, Lily Evans Potter, Dorcas Meadowes, Evan Rosier, Barty Crouch Jr., Pandora Lovegood
Tags
Slow Burn Sexual Tension Regulus Black and Sirius Black Angst Regulus Black Needs a Hug Jealous James Potter Minor Barty Crouch Jr./Evan Rosier we love lily Jealous Regulus Black Regulus Black Gets a Hug same with wolfstar I didn't include Voldy You can think that he doesn't exist
Where James loves to push Regulus' boundaries and Regulus loves to push back every time.Where does it take them? Too far to call it a game anymore apparently.
Remus Lupin's First Kiss

Remus Lupin's First Kiss

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, Sirius Black & Remus Lupin, Regulus Black/Remus Lupin
Tags
Angst Secret Relationship First Kiss First Crush First Relationship Making Out Marauders Era (Harry Potter) Marauders POV Remus Lupin Alternate Universe - No Voldemort Werewolf Remus Lupin Bittersweet Ending
Kissing seemed like one of those things people made a thing of, romanticizing it into something grand, something defining. But maybe, really, it was just… a moment. Maybe it didn’t have to be complicated.-how moonwater stole each other's first kiss
you just won't admit it that you're smitten

you just won't admit it that you're smitten

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Other Character Tags to Be Added, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Evan Rosier,
Tags
Other Additional Tags to Be Added Alternate Universe - Muggle Regulus Black & Sirius Black Have a Good Relationship Regulus Black is Bad at Feelings Alternate Universe - No Voldemort Friends With Benefits Regulus Black is a Little Shit Barty Crouch Jr. is a Little Shit Desi James Potter James Potter is So Whipped Jealous James Potter Neighbors
“Maybe you love him.”Regulus sputtered out protests immediately. Something ached, something he always felt when James Potter was as little as mentioned. “No, you don’t understand. I loathe him so ardently that the hatred swirls around in the pit of m...
Love is in the stars, the sun and the flowers

Love is in the stars, the sun and the flowers

F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood,
Tags
Angst with a Happy Ending Regulus Black & Sirius Black Have a Good Relationship Regulus Black is a Little Shit Pansexual James Potter James Potter Loves Regulus Black James Potter is Not Okay Regulus Black Needs a Hug Polyamorous Character Jealous Regulus Black Lily Evans is a sweet heart James can't pick because he love them both
This is one of my first english fanfic (im french so it might have some vocabulary error)I hope you guys will like it!○○○○○Regulus and James are together since a year. James had started hanging out with Lily more often and Regulus is a jealous type....
Marcando territorio (versión Jegulus)

Marcando territorio (versión Jegulus)

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Barty Crouch Jr.
Tags
Dirty Talk Established Relationship Regulus Black Lives James Potter Loves Regulus Black James Potter Lives Regulus Black Loves James Potter Jealous Regulus Black Regulus Black and James Potter Raise Harry Potter Possessive Regulus Black
La clase de Harry llegó a Hogwarts a través de un nuevo programa que el ministerio quiere implementar para que los niños menores de 11 años puedan conocer antes la escuela, sus casas y las diferentes clases.James, el profesor de transformaciones, y R...
I can't anymore

I can't anymore

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Lily Evans Potter, Other(s)
Tags
Alternate Universe - Modern Setting Angst with a Happy Ending Miscommunication I Wrote This Instead of Sleeping Misunderstandings Alternate Universe - Non-Magical James Potter & Lily Evans Potter Friendship Jealous Regulus Black Instagram Sad James Potter Hurt James Potter James Potter is So Done
Being with You (jegulus & wolfstar)

Being with You (jegulus & wolfstar)

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
Tags
Other Additional Tags to Be Added Alternate Universe - College/University First Kiss Past Relationship(s) Marauders Era (Harry Potter) My First Fanfic POV James Potter POV Regulus Black Jealous Regulus Black Jealous Sirius Black
James is starting his Sophomore year at college and is excited for many reasons....Sirius is anxious about finally getting to see Remus after their disastrous encounter the previous year.....Regulus is just nervous about going to college for the firs...
Showstopper

Showstopper

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, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier,
Tags
Fluff Angst Eventual Happy Ending Fluff and Angst Marauders Era (Harry Potter) Marauders wolfstar Lesbian Marlene McKinnon dorlene Chaotic Barty Crouch Jr. Pansexual James Potter James Potter Loves Regulus Black
James loves Regulus as easily as if he was just breathing. Because Regulus is like coming up for air after almost drowning. Yet one day he's left blindsided as Regulus disappears on him for almost a week and then send a link to a song by his band wi...
The Absolute Heartbreak of Regulus Black

The Absolute Heartbreak of Regulus Black

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, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Marlene McKinnon, Minerva McGonagall, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes,
Tags
Pain I'm Sorry Jealousy Crying Regulus Black Lives Chaotic Barty Crouch Jr. Fake/Pretend Relationship Why Did I Write This? I Made Myself Cry Light Sadism Regulus Black and Sirius Black Angst Additional Warnings In Author's Note
This book has a somewhat sad story nut a happy ending. Its a Jegulus book that has minor wolfstar,dorelene, and rosekiller. The main plot is that they ae in collage and Regulus has a semi huge crush on James but James love Lily. (Sorry if I make her...
baby black

baby black

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, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Evan Rosier, Lily Evans,
Tags
Fluff Minor Angst Alternate Universe - Harry Potter Setting Jealous James Potter Minor Sirius Black/Remus Lupin Jealous Regulus Black Sassy Regulus Black Drunk James Potter like severely minor u blink and it's gone i love writing james drunk if u can't tell minor sirius being a bitch and it makes no sense why he is a bitch × but he is and idk why
how james potter saves both black brothers from onion and wallburgerora summary of the very cheesy evolution of reg's crush on james(a cringefest, but a well-deserved break from jeg angst that ao3 is filled with)
How James lost the boy

How James lost the boy

F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, James Potter/Lily Evans Potter, Sirius Black, James Potter, Lily Evans Potter, Barty Crouch Jr.
Tags
Angst Anal Sex Sad Secret Relationship Hurt No Comfort Emotional Hurt Sad Ending Vomiting Regulus Black Needs a Hug Sirius Black & James Potter Friendship POV Regulus Black Regulus Black Deserves Better
Regulus Black and James Potter are dating. James's attention moves to Lily. Regulus is desperate and James becomes a bad person.
Second best, until you

Second best, until you

F/F
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Other Character Tags to Be Added, Other Relationship Tags to Be Added, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Evan Rosier, Barty Crouch Jr.
Tags
Fluff Angst Alternate Universe - Canon Divergence Not Canon Compliant Eventual Smut Falling In Love Jealousy Non-Canon Relationship Regulus Black Lives Alternate Universe - Everyone Lives/Nobody Dies Sirius Black & James Potter Friendship James Potter Lives
Regulus looks back on his relationship with James as he struggles to let him goWill he?
When the stars are drowning

When the stars are drowning

F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Den lille Havfrue | The Little Mermaid - Hans Christian Andersen
Characters
Regulus Black/James Potter, Regulus Black, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Narcissa Black Malfoy, Albus Dumbledore, Regulus Black & Sirius Black, Andromeda Black Tonks,
Tags
Angst Fluff and Angst Out of Character Canonical Character Death Arranged Marriage I'm Bad At Tagging Marauders Era (Harry Potter) Royalty James Potter Loves Regulus Black Manipulative Albus Dumbledore Minor James Potter/Lily Evans Potter Evil Albus Dumbledore
Regulus Black is the youngest son and prince of the kingdom of the mer-people. But he has always been obsessed with the world of the humans, that seems so much bigger and more beautiful than his own. When he turns 15 he is allowed to have a peak over...
Shall I compare thee to a summer's day?

Shall I compare thee to a summer's day?

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Euphemia Potter, Fleamont Potter
Tags
Fluff Alternate Universe - Modern Setting Friends to Lovers Mutual Pining Tooth-Rotting Fluff Idiots in Love Light Angst Happy Ending Plot Twists Regulus Black is Bad at Feelings Rain Alternate Universe - High School
There's this school festival organized on campus, and all the cinema students present a project. At the end of the semester, everyone on campus is invited to come and watch them.The next one starts; it's starring James Potter and Regulus Black.
Pride, Pleasure and Pain

Pride, Pleasure and Pain

G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Sirius Black/Remus Lupin, Marlene McKinnon/Dorcas Meadowes, Regulus Black & Sirius Black, Mary Macdonald & Marlene McKinnon & Lily Evans Potter, Sirius Black & James Potter, Regulus Black & Barty Crouch Jr. & Pandora Lovegood & Dorcas Meadowes & Evan Rosier, Peter Pettigrew/Sybill Trelawney, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Sirius Black/Barty Crouch Jr., Barty Crouch Jr./Mary Macdonald, Pandora Lovegood/Xenophilius Lovegood/Lily Evans Potter,
Tags
Awkward Flirting Mutual Pining Sexual Content Not Canon Compliant Hurt/Comfort Nightmares Fluff and Smut Fluff and Angst Falling In Love Found Family Trauma Marauders Era (Harry Potter)
"Do you realise what you're doing ? You thought I hated you ! I treated you like shit. After... After everything ? It's just impossible.""Impossibility is only a kiss away from reality. I want to believe that. Regulus, it's impossible only if you let...
Do you have a girl?

Do you have a girl?

F/F
M/M
G
Updated
12.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier, Lily Evans, Barty Crouch Jr.,
Tags
Flirting Trans Regulus Black band au Gay Regulus Black Lesbian Pandora Lovegood Jealous Regulus Black they'e in a band regulus flirts with literallt everyone slytherin skittles are a band James is awestruck not a sad one for once its short
Regulus Black is a flirt. Dozens of people fall in love with him every night, but that’s not his fault. So when Regulus chooses a man with round glasses and curly hair to focus on and flirt with at his concert he expects to forget about him. Except h...
my partner?

my partner?

F/F
M/M
G
Updated
12.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Marlene McKinnon, Dorcas Meadowes, Evan Rosier, Lily Evans, Euphemia Potter, Barty Crouch Jr.,
Tags
Smut Forced Proximity Hurt No Comfort Enemies to Lovers Drug Use figure skating pairs skating heavily mentally insane regulus sibling trauma bond fluff xxx friends with benefits :0 mentions of abuse and mental illness
regulus misses his chance to win gold in the mens singles at the olympics.but he’s still got a chance at pairs. where regulus and james become figure skating partners and have to work out what exactly their dynamic is