Sibling Love FanFiction

The Kageyama Siblings

The Kageyama Siblings

F/F
F/M
G
Updated
11.04.2025
Fandom
Haikyuu!!
Characters
Kageyama Kazuyo & Kageyama Miwa & Kageyama Tobio, Hinata Shouyou & Kageyama Tobio & Tsukishima Kei & Yachi Hitoka & Yamaguchi Tadashi, Hinata Shouyou/Kageyama Tobio, Tsukishima Akiteru & Tsukishima Kei, Tanaka Saeko & Tsukishima Akiteru & Udai Tenma, Kageyama Kazuyo, Kageyama Miwa, Kageyama Tobio
Tags
Fluff Sibling Bonding Fluff and Humor Fluff and Hurt/Comfort Sibling Love
The daily life of the kageyama siblings, Tobio, Miwa, and Hana.orin which Kageyama Tobio has two older sisters instead of one.full of fluff and comfort.
Behind the pain

Behind the pain

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Walburga Black
Tags
Hurt/Comfort Torture Pain Emotional Hurt Trauma Regulus Black & Sirius Black Have a Good Relationship Regulus Black and Sirius Black Angst Sibling Love Black Family Angst (Harry Potter) Abusive Black Family (Harry Potter) Sirius Black Angst Regulus Black Angst
Sirius lies on the cold floor, his body wracked with pain, as his mother’s curse echoes through the room. Regulus watches from the doorway, unable to move, his heart torn between fear and something deeper for his brother. —how long can they both surv...
The Ink of Your Heart

The Ink of Your Heart

F/F
F/M
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier, Andromeda Black Tonks,
Tags
Slow Burn Love Confessions Murder Suicide Attempt Secret Relationship Unhealthy Coping Mechanisms Dead Dove: Do Not Eat Found Family Minor Character Death Cheating Abusive Relationships Underage Rape/Non-con
"We're Blacks. We'll pick out the eyes, brains, and heart of a traitor if that means to remain forever pure. I just don't know if we're pure with vitrue or with sin.""What I know for sure is that you're as pure as white snow; as the white crow."cross...
Siblings aren't all their cracked up to be.

Siblings aren't all their cracked up to be.

F/F
F/M
G
Updated
11.04.2025
Fandom
Bridgerton (TV)
Characters
Colin Bridgerton/Penelope Featherington, Anthony Bridgerton/Kate Sheffield | Kate Sharma, Violet Bridgerton, Sophie Beckett | Sophie Baek/Benedict Bridgerton, Benedict Bridgerton & Hyacinth Bridgerton, Anthony Bridgerton & Hyacinth Bridgerton, Gregory Bridgerton & Hyacinth Bridgerton, Lucy Abernathy/Gregory Bridgerton, Colin Bridgerton & Hyacinth Bridgerton, Francesca Bridgerton & Hyacinth Bridgerton, Eloise Bridgerton/Cressida Cowper, Eloise Bridgerton & Hyacinth Bridgerton,
Tags
Protective Siblings Swearing Sex Vomiting Underage Drinking Sibling Love Bridgertons Being Bridgertons Bridgertons Being Idiots Chaotic Hyacinth Bridgerton
6 Times Hyacinth wished she was an only child and one time she was glad she wasn't:Anthony is a heavier one and the rest are all comedic including drunken speeches, proposal crashing, walking in on sex and Benedict with some pots and pans...
III: Snakes and Snitches

III: Snakes and Snitches

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Harry Potter, Draco Malfoy, Neville Longbottom, Draco Malfoy & Harry Potter, Neville Longbottom & Harry Potter, Adrian Pucey, Harry Potter & Adrian Pucey
Tags
Child Abuse Female Harry Potter Child Death Sibling Love Quidditch Angry Harry Potter chosen family
Whatever she wanted, he would strive to provide.
as rain poured down (a guide to healing your soul)

as rain poured down (a guide to healing your soul)

F/F
Gen
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021) League of Legends
Characters
Caitlyn/Vi (League of Legends), Caitlyn (League of Legends), Vi (League of Legends), Jinx (League of Legends), Sevika (Arcane: League of Legends), Luxanna "Lux" Crownguard/Jinx, Luxanna "Lux" Crownguard, Diana/Leona (League of Legends), Diana (League of Legends), Leona (League of Legends), Jinx & Vi (League of Legends), Milio (League of Legends),
Tags
Fluff Angst Found Family Grief/Mourning Worldbuilding Post-Canon Adventure & Romance Sibling Love Self-Discovery Soft Jinx (League of Legends) Lesbian Luxanna "Lux" Crownguard slowish burn
After the battle with the Noxians, Jinx embarks on a journey across Runeterra in search of answers, herself, and maybe even some romance along the way.This is her story.
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
Harry Potter Headcanons

Harry Potter Headcanons

Gen
Other
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Tags
Fanart Headcanon Protests Slytherin Sibling Love Marauder's Map (Harry Potter) Ravenclaw Hogwarts Inter-House Friendships Animagus Expecto Patronum | Patronus Charm (Harry Potter) Muggle-born Muggle Technology
Just a list of headcanons I might work into a fanfic/s someday. Subject to updates.Example: Mrs Norris (Filch's cat) isn't a cat -- she's an animagus.(First chapter is headcanons, after that is Fanart)
Second to James

Second to James

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black
Tags
Angst Sibling Love
A one shot about Sirius finding out about jegulus and going to confront regulus about it.
Aloe (an anthology of grief)

Aloe (an anthology of grief)

Gen
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Marlene McKinnon, Dorcas Meadowes, Nymphadora Tonks, Sirius Black/Original Female Character(s),
Tags
Unrequited Love Not Beta Read Grief/Mourning Alternate Universe - Soulmates Friendship/Love Bad Parenting Soulmates Sibling Love english is not my first language Child Loss
Seventeenth birthdays are important in the wizarding community. They are important because on that day wizards usually discover the name of their (romantic or otherwise) Soulmate. On that day the name of 'their' person will appear on the magic user s...
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.
I meet you in that room again.

I meet you in that room again.

Other
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Sirius Black, Regulus Black & Sirius Black
Tags
Siblings Implied/Referenced Character Death Childhood Trauma Grief/Mourning I Wrote This Instead of Sleeping I Can't Believe I Wrote This Childhood Memories The Author Regrets Everything I'm Sorry Trauma Crying Regulus Black Dies
In this fic Sirius get’s to know about Regulus's death when he is Azkaban. So while trying to be sain he doesn’t acknowledge Reggie’s death. He doesn’t mourn him like Lily and James, just accepts it. But when he escapes and enters Hogwarts the loss o...
I'm sorry Diego

I'm sorry Diego

F/F
G
Updated
12.04.2025
Fandom
Warrior Nun (TV)
Characters
Ava Silva, Sister Beatrice (Warrior Nun), Sister Camila (Warrior Nun), Mother Superion (Warrior Nun), Shotgun Mary (Warrior Nun), Shotgun Mary & Ava Silva, Diego & Ava Silva, Diego (Warrior Nun)
Tags
Family Angst Family Dynamics Siblings Hurt/Comfort Emotional Hurt/Comfort Angst and Hurt/Comfort Grief/Mourning Angst and Feels Crying I Made Myself Cry Sibling Love
Ava's letter to Diego, Beatrice, Mother Superion and Mary meet Ava's little friend and afterwards feel like shit. That's it, that's the whole thing, pain.
The Stolen Life of Azalea Potter

The Stolen Life of Azalea Potter

F/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Harry Potter, Other Character Tags to Be Added, Other Relationship Tags to Be Added, Tom Riddle | Voldemort, Harry Potter & Original Female Character(s), Harry Potter & Azalea Potter, Is, Azalea Potter - Character
Tags
Other Additional Tags to Be Added Mind Manipulation Female Harry Potter Sibling Love Partial Mind Control Descent into Madness Potter Twins Azalea is Fem!Harry
For the Gift of eternal imprisonment upon thy mortal realm shall I waste away my blessed body,for the Blessing of a thousand lifetimes of suffering shall I sacrifice any joy to be ever felt,for the Ascension from Men to Monster shall I forego the...
Shades Of Blue

Shades Of Blue

F/F
M/M
G
Updated
18.04.2025
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, Dorcas Meadowes, Lucius Malfoy,
Tags
Angst Sibling Bonding Hurt/Comfort Past Relationship(s) Jedi Training (Star Wars) Jedi Code (Star Wars) Weapons Gay Sirius Black Lesbian Marlene McKinnon Forbidden Love Everyone Is Gay Eventual Fluff
It is a period of civil war. Rebel spaceships, striking from a hidden base, have won their first victory against the evil Galactic Empire with the help of Rogue One.During the battle, Rebel spies managed to steal secret plans to the Empire’s ultimate...
Nikki Potter

Nikki Potter

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Albus Dumbledore, Blaise Zabini, Theodore Nott, Pansy Parkinson, Gregory Goyle, Vincent Crabbe,
Tags
Romance Sibling Love Best Friends to Lovers Potter Twins draco and harry rivalry
Reminiscing

Reminiscing

G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black
Tags
Fluff Slytherin Cute Oneshot Sibling Love very short Brothers sleeping platonic Gryffindor regulus first year sirius third year
Sirius promised he’d be there, and he is.Even if nobody can know.Family isn’t blood, but he’ll love his little brother despite everything.(Or, Regulus needs a hug after being sorted into Slytherin, despite that it’s what he’s always wanted)
Two worlds apart

Two worlds apart

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Black Family (Harry Potter), Sirius Black & Black Family
Tags
Angst sorry - Freeform Black Family Drama (Harry Potter) Sibling Love Dysfunctional Black Family (Harry Potter) Good Regulus Black POV Sirius Black Black Family-centric (Harry Potter) Sirius Black-centric Black Family Feels (Harry Potter) Black Family Madness (Harry Potter) Ghost Regulus Black
The boy suddenly seems to be everywhere. Everywhere, so that Sirius wonders how he never noticed him before. The boy is everywhere; now he's reading the titles of the books in the library, his hand trying to trace the books' spines (but he's a ghost,...
lost on the way

lost on the way

F/M
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Ginny Weasley, George Weasley, James Sirius Potter
Tags
Fluff Siblings Hurt/Comfort Canon Compliant Sentimental Sibling Love Post-Battle of Hogwarts Baby Weasleys
A few days after the birth of her first child she can't help but think about that her older brother will never have the chance to meet his nephew.Or Ginny and George talking about Fred.
Two for joy

Two for joy

Other
G
Updated
18.04.2025
Characters
Minerva McGonagall, Molly Weasley, Fred Weasley, George Weasley, Fred Weasley/George Weasley
Tags
Motherhood Angst and Hurt/Comfort Canonical Character Death Twins Sibling Love Podcast: Fanatical Fics and Where to Find Them Fanatical Fics's Flash Fic Friday Grieving Fred Weasley
Molly reflects on the twins and tries to comfort George after the death of this brother Fred.