Regulus Black/James Potter in Love FanFiction

The Unification of The Sun and The Star

The Unification of The Sun and The Star

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black, James Potter
Tags
Flowers Childhood Memories Childhood Friends One Shot Regulus Black & Sirius Black Have a Good Relationship Short & Sweet James Potter Loves Regulus Black Sirius Black & James Potter Friendship Young James Potter Regulus Black Loves James Potter Regulus Black/James Potter in Love Young Regulus Black
The concept of love at first sight is a strange thing really, feeling as if you've known someone for years the moment you set eyes on them, feeling as though you must've loved in all the past lives before, a bond, a string tying you to them so you co...
i see you

i see you

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, James Potter
Tags
Fluff Established Relationship Boys In Love Boys Kissing Marauders Era (Harry Potter) Valentine's Day Regulus Black Lives James Potter is So Whipped Valentine's Day Fluff Regulus Black Loves James Potter Regulus Black/James Potter in Love they're both a fool
Regulus had never cared much for Valentine’s Day.
the trouble

the trouble

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, James Potter
Tags
Slow Burn Regulus Black-centric POV Regulus Black Regulus Black is So Done Regulus Black & Barty Crouch Jr. & Evan Rosier Friendship Regulus Black/James Potter in Love Sassy Regulus Black James Potter is Bad at Flirting Mentioned Barty Crouch Jr. Mentioned Barty Crouch Jr./Evan Rosier ??? I guess this is a slow burn james is obvious
Unfortunately, it seemed that fate had a cruel sense of humor because here Regulus was, stuck in detention. With James Potter.  
I swore lips were made for lies and I thought if you'd ever leave me that I'd be the reason why

I swore lips were made for lies and I thought if you'd ever leave me that I'd be the reason why

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, Severus Snape, Tom Riddle | Voldemort, Albus Dumbledore, Evan Rosier, Barty Crouch Jr., Pandora Lovegood,
Tags
Marauders Era (Harry Potter) Possible Character Death Trans Regulus Black Regulus Black Lives Jegulus French Black Family (Harry Potter) The Noble and Most Ancient House of Black French Evan Rosier Regulus Black & Evan Rosier Friendship Minor Barty Crouch Jr./Evan Rosier Regulus Black/James Potter in Love no beta we die like evan in crimson rivers
Regulus is forced to live as a female at home until he finally escapes that wretched house. But does anyone truly escape the blood thirsty jaws of The Most Noble and Ancient House of Black? Regulus struggles to ignore the teachings of his mother and...
The voice in the Stars

The voice in the Stars

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, Evan Rosier, Bellatrix Black Lestrange,
Tags
Eventual Smut Fluff and Angst Implied/Referenced Child Abuse Marauders Era (Harry Potter) Marauders Friendship (Harry Potter) Pre-First Wizarding War with Voldemort (Harry Potter) Sirius Black/Remus Lupin In Love Sirius Black Needs a Hug Regulus Black/James Potter in Love
Sirius Black gets disowned and runs away to the Potters. He returns to Hogwarts after the summer break for his 5th year.Mostly a wolfstar fic
Only a fool for you

Only a fool for you

M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Sirius Black/Remus Lupin, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Pandora Lovegood/Lily Evans Potter,
Tags
Body Dysphoria Unreliable Narrator Marauders Era (Harry Potter) No Smut How Do I Tag Alternate Universe - No Voldemort Pandora Lovegood and Evan Rosier are Twins Barty Crouch Jr. is a Little Shit Eating Disorders Protective Sirius Black Protective Remus Lupin Evan Rosier is a Little Shit
Peter Pettigrew liked to think of himself as a pretty lucky guy. Him and the universe never really had a problem until his 5th year of Hogwarts where he happened to get the fattest crush on not only two Slytherins but two Slytherins that start dating...
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
Sugar Sweet (Just Like Your Love)

Sugar Sweet (Just Like Your Love)

F/F
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, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier,
Tags
Fluff Tooth-Rotting Fluff Regulus Black & Sirius Black Have a Good Relationship References to Canon Fluff without Plot Visions Halloween Halloween Costumes halloween party Regulus Black/James Potter in Love I love them so much Costume Party
Regulus and his friends, and his fiance, and their silly little halloween partyMy apologies to Gaelle for being there while I wrote certain parts of this.
Starry Eyes Sparking Up My Darkest Night

Starry Eyes Sparking Up My Darkest Night

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, Narcissa Black Malfoy,
Tags
Fluff Regulus Black is Bad at Feelings Everyone Is Gay Romantic Fluff I Tried James Potter Loves Regulus Black Based on a Taylor Swift Song Regulus Black Needs a Hug Sirius Black & James Potter Friendship Everyone Is Alive French Regulus Black Sirius Black is a Little Shit
It's the fifth year at Hogwarts for Regulus, and he thinks nothing special can happen, but then James Potter shows him that everything is possible.Regulus Black is in love with James Potter, and James Potter is in love with Regulus Black; they just n...
The Potter family and Legilimency

The Potter family and Legilimency

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Minerva McGonagall, Dorcas Meadowes, Albus Dumbledore, Evan Rosier, Barty Crouch Jr.,
Tags
Implied/Referenced Self-Harm Fluff and Angst Implied/Referenced Character Death Implied/Referenced Abuse I'm Bad At Tagging Bad Parenting Marauders Era (Harry Potter) Albus Dumbledore Bashing Regulus Black & Sirius Black Have a Good Relationship Author Is Sleep Deprived Albus Dumbledore Being an Idiot The Author Regrets Nothing
it has always been a long lived myth in the Potter family going way back that if someone used Legilimency on a Potter, it was grave disrespect, so what happens when Dumbledore uses Legilimency on James Potter during a quidditch match between Gryffind...
slow dancing

slow dancing

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, Evan Rosier, Euphemia Potter, Fleamont Potter, Barty Crouch Jr., Pandora Lovegood
Tags
Alternate Universe - Modern Setting Tooth-Rotting Fluff Established Relationship Idiots in Love Regulus Black & Sirius Black Have a Good Relationship James Potter Loves Regulus Black Desi James Potter Regulus Black Loves James Potter Regulus Black & Barty Crouch Jr. & Evan Rosier Friendship Meeting the Parents Established Regulus Black/James Potter Desi Euphemia Potter
One look at him, and James is dead. He thinks it's a nice way to go, no?‘James Potter, Death by one look at Regulus black, an idiot and a fool in love, may he now eternally dream of one Regulus black, amen.’After 2 more minutes of Regulus blushing, J...
What We Leave Behind

What We Leave Behind

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, Marlene McKinnon, Minerva McGonagall, Severus Snape, Dorcas Meadowes,
Tags
Marauders Era (Harry Potter) Marauders Lesbian Marlene McKinnon Everyone Is Gay Remus Lupin & Lily Evans Potter Friendship Pansexual James Potter Regulus Black & Remus Lupin Friendship Gay Regulus Black Gay Remus Lupin Sirius Black & James Potter Friendship Gay Evan Rosier Bisexual Barty Crouch Jr.
When everything in the sky collides, what's left behind?this fic will be following all the marauders era charates' lifes in their last 3 years (4 for the slythering skittles) and the years after.THIS IS AN AU!!! THERE WILL BE NO WAR!!! we Will be see...
What really happened in 1971

What really happened in 1971

F/F
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, Minerva McGonagall, Dorcas Meadowes, Narcissa Black Malfoy, Marlene McKinnon/Dorcas Meadowes,
Tags
Fluff Angst Eventual Happy Ending Character Death Hurt/Comfort Torture It Gets Worse Before It Gets Better Idiots in Love Minor Character Death Sad Ending Love Marauders Era (Harry Potter)
What happened the seven years that the Marauders went to school?
Meet the Potters

Meet the Potters

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Euphemia Potter/Fleamont Potter
Tags
Fluff Family Fluff Idiots in Love Family Bonding Love Regulus Black & Sirius Black Have a Good Relationship Alternate Universe - No Voldemort Short & Sweet Good Regulus Black Good Parent Euphemia Potter Good Parent Fleamont Potter Happy
Regulus meets James' parents for the first time, what will it be like?<<>>"What makes you know you love my son Regulus?""He makes me smile," it is what he chooses to say.
Coming out by James Potter

Coming out by James Potter

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Marlene McKinnon & James Potter, Sirius Black & James Potter, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Euphemia Potter & Fleamont Potter & James Potter
Tags
Fluff Alternate Universe - Modern Setting Idiots in Love Falling In Love Horny Teenagers Coming Out Pansexual James Potter James Potter is So Whipped Self-Discovery Good Parent Euphemia Potter Good Parent Fleamont Potter Everything is Beautiful and Nothing Hurts
James Potter, at the age of fourteen, discovered something he didn't expect... he's not straight.James really appreciates being pansexual when, at sixteen, while playing a match against Slytherin, he meets a beautiful boy on the pitch.
To get to the podium

To get to the podium

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, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Dorcas Meadowes, Molly Weasley, Arthur Weasley,
Tags
Marauders Era (Harry Potter) Ice Skating Regulus Black/James Potter in Love Figure Skater Regulus Black Hockey Player James Potter Maruaders Ice skater au Hockey Player Sirius Black idk yet tbh possible angst? like maybe Fluff I think but i might feel evil
basically this is a marauders muggle au, where James and Sirius are hockey players reggie is a figure skater, remus is an extremely supportive however non sporty bf (bc i'm sorry but in my mind sporty remus don't make sense)alsooooo for our fav girli...
two wrongs make a right

two wrongs make a right

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, Lily Evans Potter, Mary Macdonald (Harry Potter), Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Sirius Black & James Potter,
Tags
Trans Male Character Enemies to Lovers Regulus Black & Sirius Black Have a Good Relationship Alternate Universe - No Voldemort Trans Regulus Black Fake/Pretend Relationship Relationship(s) POV James Potter Alternate Universe - No Powers Gay Regulus Black Past Regulus Black/Barty Crouch Jr. POV Regulus Black
Regulus has a really annoying brother, he already knew that of course but when he realizes what he's done he's even more sure of it.Sirius apparently didn't believe his brother was capable of meeting people on his own, so they and Remus arrange for R...
Did I mention?

Did I mention?

F/F
M/M
Multi
Other
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, 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
Fluff First Kiss Tags Are Hard Everyone Is Gay enjoy :) Singing Regulus Black is a Little Shit Pansexual James Potter POV James Potter Gay Regulus Black Sirius Black & James Potter Friendship POV Regulus Black
“Let me get this straight,” he sighed, pinching the bridge of his nose, “you want me to waste my precious time to make you a vial of veritaserum by Friday… for a prank?” “Exactly! So, will you-” “No.” he interrupted snappily. “What? Reggiee, why nott...
they both die at the end

they both die at the end

M/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Remus Lupin, Sirius Black, James Potter, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Regulus Black & Pandora Lovegood, Regulus Black & Evan Rosier
Tags
Hurt/Comfort Emotional Hurt Crying POV James Potter Gay Regulus Black Everybody Dies Regulus Black & Sirius Black Friendship Regulus Black/James Potter in Love Inspired by They Both Die at the End - Adam Silvera Alternate Universe - They Both Die at the End Fusion
James and Regulus get the call and decide to have their last day together
A Whiter Shade of Pale--Jegulus

A Whiter Shade of Pale--Jegulus

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, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Lucius Malfoy,
Tags
Angst Slow Burn Character Death Canon Compliant Heartbreak Marauders wolfstar Marauders Friendship (Harry Potter) Family Issues Minor Marlene McKinnon/Dorcas Meadowes POV James Potter James Potter Loves Regulus Black
Regulus Black is a boy of ice and James Potter is the light of his life.incredibly long slowburn.Regulus faces struggles against his cruel family and his own darkness, all while slowly falling in love with his brother's best friend.canon-compliantly...