Regulus Black/Sirius Black FanFiction

Jaywalking (Always cross the red)

Jaywalking (Always cross the red)

F/F
F/M
M/M
G
Updated
13.04.2025
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), Minerva McGonagall, Severus Snape,
Tags
Marauders Era (Harry Potter) wolfstar Hogwarts 1970s Jegulus Rosekiller jilly - Freeform
And I was trapped.I alone,had nobody,No senses,No feelings.I was in hell.~JFP~RAB
【SBRB】洞中兽

【SBRB】洞中兽

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
Tags
Tentacles Cthulhu Mythos Non-Human Genitalia
两周前James Potter收到挚友Sirius Black前往猛犸洞公园为新歌寻找灵感的短信。失联整整十四天之后，他全须全尾地带着一个长相和他很像的“朋友”出现在为了找他而焦头烂额的朋友们面前。生活似乎一切如常，但众人都意识到，似乎有什么东西不一样了。
My favorite star

My favorite star

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Pandora Lovegood, Regulus Black/Sirius Black
Tags
Sibling Incest Regulus Black and Sirius Black Angst POV Regulus Black Regulus Black & Pandora Lovegood Friendship Sirius Black Needs a Hug Sirius Black's Prank on Severus Snape Protective Regulus Black Suicidal Sirius Black Possessive Regulus Black
When, after a heated argument, the Black brothers drift apart. But in a difficult situation, will Regulus' love for his brother be stronger than his resentment?
Cupidus Dentium

Cupidus Dentium

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Regulus Black/Sirius Black, Regulus Black/Sirius Black/Remus Lupin
Tags
Dead Dove: Do Not Eat Blood Drinking Modern Setting Gothic Romance Vampire AU Vampirism Vampire!Sirius Black Vampire!Regulus Black Remus Lupin POV
Sirius and Regulus Black are hosting a mortal in their lair.Remus Lupin is just a writer trying to find affordable housing in Paris._____ Inspired by Anne Rice’s depiction of vampires, with fragrance notes of Lolita by Vladimir Nabokov.
【SBRB/黑兄弟】走火 （18存档）

【SBRB/黑兄弟】走火 （18存档）

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Regulus Black/Sirius Black
黑帮/无间道/全员恶人
Mother Knows Best

Mother Knows Best

Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Regulus Black & Sirius Black, Walburga Black, Regulus Black/Sirius Black, Regulus Black & Walburga Black, Regulus Black/Walburga Black
Tags
Mommy Issues Bad Parent Walburga Black Regulus Black Needs a Hug POV Regulus Black Abusive Walburga Black Regulus Black Deserves Better Warning: Walburga Black Young Regulus Black POV Walburga Black Walburga Black Being an Asshole
Regulus loves his mother, Walburga doesn’t love Regulus too much.
【SBRB】Find Me

【SBRB】Find Me

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
很久之后，连克利切自己都忘记了，雷古勒斯在岩洞里时，不止让他带回了一个挂坠盒，还有一小块他的灵魂。
You're mine, understand it

You're mine, understand it

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
Tags
Dom/sub Regulus Black-centric POV Regulus Black Bisexual Sirius Black Bottom Sirius Black Dom Regulus Black
And what if, at a pure-blooded party, Sirius decides to try the limit of his younger brother. Who he knows has trouble keeping jealousy in check.
【abo｜SBRB圣诞企划16：00】波西米亚狂想曲

【abo｜SBRB圣诞企划16：00】波西米亚狂想曲

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black, Regulus Black/Sirius Black
Tags
Alpha/Beta/Omega Dynamics
这么多年我似乎从未质疑过他对我的感情，但令人哑然的是时至今日我仍不觉得那是「爱」。
【SBRB】棋差一招

【SBRB】棋差一招

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
雷古勒斯是个臭棋篓子。预警：人物过去捏造有。ooc有。
The Bay of Black Blood

The Bay of Black Blood

F/M
M/M
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, Lucius Malfoy, Narcissa Black Malfoy, Albus Dumbledore, Voldemort (Harry Potter), Regulus Black & Sirius Black, Bellatrix Black Lestrange,
Tags
Horcruxes Rare Pairings
Sirius Black needs rage like he needs air to breathe.Bellatrix Lestrange is free-falling into an early grave.Regulus Black considers the consequences of his death a little more carefully. The world around them tilts.
SBRB/Memory Cornor

SBRB/Memory Cornor

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
在狱中，西里斯在回忆里抚摸他的弟弟
Only the sane

Only the sane

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Orion Black, Regulus Black/Sirius Black
Tags
Incest Angst with a Happy Ending Implied/Referenced Child Abuse Obsessive Behavior Light Angst Sibling Incest POV Multiple Insanity
I don't support incest or obssesive relationships in real life, this is just something that i've had in mind Sirius asks Regulus a simple question but his answer leaves Sirius disturbed for many reasons.
Your Eyes

Your Eyes

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Regulus Black/Sirius Black
Tags
Blow Jobs Incest Dead Dove: Do Not Eat Jealousy Sibling Incest Semi-Public Sex Trans Regulus Black My First Work in This Fandom Underage - Freeform Come Swallowing Gift Fic Sirius Black/James Potter mentioned
Read tags, I'm really bad at summaries.* Sirius and James aren't dating, Regulus just thinks they are.
Kidnapping the boy who lived

Kidnapping the boy who lived

M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Remus Lupin, Sirius Black, Ron Weasley, Hermione Granger, Ginny Weasley, Albus Dumbledore, Dudley Dursley, Vernon Dursley, Weasley Family (Harry Potter), Regulus Black/Sirius Black,
Tags
Mutual Masturbation Blow Jobs First Time Blow Jobs Rough Sex Anal Sex Oral Sex Other Additional Tags to Be Added Masturbation Sex Toys Dom/sub Kidnapping Underage Sex - Freeform
The Weasleys were at Privet Drive number 4. They were there to pick Harry up to take him with them. However, a panicked Petunia announced them that the boy had been missing for two days, that he had vanished from thin air.If they only knew that Harry...
Forbidden Love

Forbidden Love

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Albus Dumbledore, Regulus Black/Sirius Black, Regulus Black/Padfoot
Tags
Incest Mpreg Bestiality Sibling Incest Implied/Referenced Cheating Animagus Regulus Black Animagus Sirius Black Animagus Bestiality
Sirius fucks an oblivious Regulus as Padfoot, fulfilling one of Regulus' secret fantasies, and successfully leaving him with a little gift to remember him by even if he himself doesn't remember.
[雷古勒斯个人向]不明亮的夜晚

[雷古勒斯个人向]不明亮的夜晚

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Regulus Black/Barty Crouch Jr., Regulus Black/Sirius Black, Regulus Black & Original Female Character(s)
我不禁想象，作为女人的你是何种模样。
【HP|SBRB】伦敦陷入沉眠

【HP|SBRB】伦敦陷入沉眠

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Regulus Black/Sirius Black
Tags
Brother/Brother Incest
The last night.
love like blood.

love like blood.

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black/Sirius Black
Tags
Incest Blood Fanart Dead Dove: Do Not Eat Dubious Consent Bestiality Sibling Incest Crying Dacryphilia Bottom Regulus Black Forest Sex Werewolf Sirius Black
werewolf sirius caught a rabbit. title from killing joke ^^ thankyou @sirci for the suggestion i adore u sm
The Shadow Player

The Shadow Player

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, James Potter, Kreacher (Harry Potter), Regulus Black/Sirius Black
Tags
Angst Internal Conflict Guilt Dark Redemption Sacrifice Death Eater Regulus Black tragic ending
Regulus Black, tormented by guilt over his actions as a Death Eater, decides to seek redemption after discovering the truth about Voldemort in a diary left by his brother Sirius. Determined to destroy a Horcrux, Regulus infiltrates a dark cave and, w...