Sibling Bonding FanFiction

Call to Curtain

Call to Curtain

F/F
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021)
Characters
Caitlyn/Vi (League of Legends), Caitlyn (League of Legends), Vi (League of Legends), Ekko (League of Legends), Viktor (League of Legends), Jayce (League of Legends), Silco (Arcane: League of Legends), Vander (League of Legends), Mylo (Arcane: League of Legends), Claggor (Arcane: League of Legends), Cassandra Kiramman, Tobias Kiramman,
Tags
Tension Mutual Pining Family Fluff Sibling Bonding Eventual Romance Enemies to Lovers Eventual Sex Sexual Tension Yearning Alternate Universe Caitlyn and Vi are in Love (League of Legends) Caitlyn Needs a Hug (League of Legends)
Suddenly, the lights dimmed and the crowd roared as a track with a heavy bass line began to blare through the speakers. And there she was. Caitlyn Kiramman. Suddenly, it felt as if the air had been sucked out of her lungs. Her mouth went dry as her e...
Blood of the Elder Flame

Blood of the Elder Flame

F/M
Gen
Multi
NC-17
Updated
10.04.2025
Fandom
House of the Dragon (TV) A Song of Ice and Fire - George R. R. Martin
Characters
Rhaenyra Targaryen, Daemon Targaryen, Corlys "The Sea Snake" Velaryon, Rhaenys Targaryen Velaryon, Viserys I Targaryen, Daemon Targaryen/Rhaenyra Targaryen, Alicent Hightower, Otto Hightower, Aemma Arryn & Baelon Targaryen & Rhaenyra Targaryen & Viserys Targaryen & House Targaryen Characters, Aemma Arryn/Viserys I Targaryen, Alicent Hightower & Otto Hightower, Corlys "The Sea Snake" Velaryon/Rhaenys Targaryen Velaryon,
Tags
Dragon Riders Death in Childbirth canon-divergence Strong Female Characters older sister oc Queen Rhaenyra Targaryen Sibling Bonding Otto Hightower Bashing Political Intrigue War and Stratrgy Angst with a Happy Ending High Valyrian (A Song of Ice and Fire)
She was the first flame-older, wiser, and meant to be a guide. But the crown listen to whispers instead of blood, and so she was cast out. Years later, grief cracks the throne, the realm begins to splinter, and the Elder returns. What follow is a rec...
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.
How Do You Know Which Memories to Save?

How Do You Know Which Memories to Save?

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black
Tags
Sibling Bonding Hurt/Comfort Emotional Hurt/Comfort Childhood Memories Mental Health Issues Marauders Era (Harry Potter) Hopeful Ending Regulus Black and Sirius Black Angst Regulus Black Needs a Hug POV Regulus Black The Noble and Most Ancient House of Black Expecto Patronum | Patronus Charm (Harry Potter)
On bad days, Regulus finds himself going out to the Quidditch pitch to get away from everyone and everything. On one such occasion, a big, black dog joins him. At first, he doesn't know what to think. As he begins to find more and more comfort in the...
Sister Of Heart And Soul

Sister Of Heart And Soul

Gen
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Harry Potter, Lily Evans Potter, Severus Snape, Harry Potter & Severus Snape, Petunia Evans Dursley, Eileen Prince, Lily Evans Potter & Severus Snape, Harry Potter & Lily Evans Potter, Lily Evans Potter's Mother, Tobias Snape, Lily Evans Potter's Father,
Tags
Domestic Violence Sibling Bonding Implied/Referenced Child Abuse Time Travel Slow To Update Soul Bond Female Harry Potter How Do I Tag Oops first fic Master of Death Harry Potter Smart Harry Potter
This is my first Fic so bear with me,Master Of Death, Harry Potter is killed for a second time at 43 years old by a stray spell.He is given a choice by Death: staying in the after life, going back to his life or going Back.He chooses Back, Back as in...
Love of My Life/Loss of My Life

Love of My Life/Loss of My Life

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Heartstopper (Webcomic) Heartstopper (TV)
Characters
Nicholas "Nick" Nelson/Charles "Charlie" Spring, Elle Argent/Tao Xu, Tara Jones/Darcy Olsson, Charles "Charlie" Spring (Heartstopper), Victoria "Tori" Spring, Nicholas "Nick" Nelson, Tara Jones, Darcy Olsson, Elle Argent, Tao Xu (Heartstopper), Sarah Nelson, Jane Spring,
Tags
Angst Forced Marriage Sibling Bonding Implied/Referenced Suicide Implied/Referenced Self-Harm Dead Dove: Do Not Eat Inspired by Music Gay Sexual Abuse Tags Are Hard Lesbian Character Royalty
Loml - Taylor SwiftYou've probably heard the story of a prince falls in love with a peasant, or a princess loves the poor boy, but this ones different.Charlie is the prince of London, and Nick is a peasant living in poverty.1-3 chapters every week
New Siblings

New Siblings

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Sirius Black/Remus Lupin, Sirius Black & James Potter, Sirius Black & Lily Evans Potter
Tags
Fluff Angst Sibling Bonding Falling In Love Friendship How is that not a tag Regulus Black and Sirius Black Angst Evans Sisters Angst Like their angst is why Harry has trauma
Basically, how I think Lily accepted that she was falling for James Potter and how it's all thanks to Sirius Black
A thought crossed my mind

A thought crossed my mind

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, Severus Snape, Lucius Malfoy, Regulus Black & Sirius Black,
Tags
Slow Burn Sibling Rivalry Sibling Bonding Eventual Romance Angst and Hurt/Comfort I Wrote This Instead of Sleeping Hurt No Comfort Enemies to Lovers Marauders Era (Harry Potter) Marauders Friendship (Harry Potter) Regulus Black-centric Eventual James Potter/Lily Evans Potter
Regulus Black is troubled by horrible dreams and a new dreadful social life he is thrust into in the last half of his 5th year. While coming to terms with himself and his fate to become a death-eater he finds perhaps his life and death aren't all wri...
A Princess In A Fairy-Tale (Along With Some Prince)

A Princess In A Fairy-Tale (Along With Some Prince)

F/F
F/M
Other
G
Updated
11.04.2025
Fandom
Descendants (Disney Movies)
Characters
Doug/Evie (Disney: Descendants), Chloe Charming (Disney), Audrey Rose (Disney), Uma (Disney), Harry Hook, Ben/Mal (Disney: Descendants), Evie (Disney), Mal (Disney), Ben (Disney: Descendants), Carlos de Vil, Hades (Disney: Hercules), Doug (Disney: Descendants),
Tags
Love Confessions Original Character(s) Other Additional Tags to Be Added Sibling Bonding Fluff and Angst Falling In Love First Kiss Kissing Anxiety Anxiety Attacks Crushes Eventual Fluff
Beatrice “Bea” Florian is seemed as just “Auradon’s Princess”. From the moment she was born, people sure thought she would change history, besides feeling people only care about her being cause she’s royalty, But she’s got her own things to deal with...
☆. CHAOTIC GC W/ FRIENDS!! ( and a home i love ) .☆

☆. CHAOTIC GC W/ FRIENDS!! ( and a home i love ) .☆

F/F
M/M
Other
G
Updated
11.04.2025
Fandom
Hololive (Virtual Streamers) Virtual Streamer Animated Characters Nijisanji (Virtual Streamers)
Characters
Fuwawa Abyssgard & Mococo Abyssgard, Mococo Abyssgard, Shiori Novella, Koseki Bijou, Fuwawa Abyssgard, Nerissa Ravencroft, Cecilia Immergreen, Gigi Murin, Enna Alouette, Millie Parfait, Enna Alouette/Millie Parfait, Reimu Endou/Petra Gurin,
Tags
Fluff Angst Protective Siblings Unrequited Love Sibling Bonding Crack Established Relationship Idiots in Love Fluff and Crack Falling In Love Other Ships Not Mentioned in Tags No Smut
Doppio Dropsycthe: ur js weird koto-nee chan 😝Meloco Kyoran: LMAO GET FUCKED KOTO 💀Reimu Endou: aint no way broKotoka Torahime: THE FUCK DOPPIO????Alban Knox: oop 😶Uki Violeta: Ha the bitch needed to know anygays 🙄Finana Ryuku: uki dont even 😒En...
☆× V-tuber verse high school ×☆

☆× V-tuber verse high school ×☆

F/F
M/M
Other
G
Updated
11.04.2025
Fandom
Hololive (Virtual Streamers) Virtual Streamer Animated Characters Nijisanji (Virtual Streamers)
Characters
Mococo Abyssgard, Shiori Novella, Koseki Bijou, Fuwawa Abyssgard, Nerissa Ravencroft, Enna Alouette, Millie Parfait, Reimu Endou/Petra Gurin, Meloco Kyoran/Kotoka Torahime, Hakos Baelz/IRyS, Elizabeth Rose Bloodflame/Raora Panthera, Luca Kaneshiro/Shu Yamino,
Tags
Fluff Angst Suicidal Thoughts Family Dynamics Protective Siblings Unrequited Love Sibling Bonding Angst with a Happy Ending Hurt/Comfort Tooth-Rotting Fluff Implied/Referenced Suicide Implied/Referenced Self-Harm
Vtuber high school AU ( Alternate universe ) and a chat fic! with a bunch of troubled teenagers who have dont have anything to live for but they have each other at least... they can stuffer together as long as the other one is okay and safe.. right?...
I don't know why I am the way I am

I don't know why I am the way I am

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black, Walburga Black, Kreacher (Harry Potter)
Tags
Other Additional Tags to Be Added Sibling Bonding Regulus Black & Sirius Black Have a Good Relationship Bad Parent Walburga Black so is Sirius Regulus Black & Sirius Black Friendship Child Regulus Black but not for a long time! but nothing graphic dw Child Sirius Black regulus is a child prodigy sirius helps reg play the piano
Bonus stuff from Always an angel! Here I will post other POVs or extra scenes.
You’re my brother and I would never leave you behind.

You’re my brother and I would never leave you behind.

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, Euphemia Potter, Fleamont Potter
Tags
Past Child Abuse Sibling Bonding Hurt/Comfort Self-Worth Issues James Potter Loves Regulus Black Gay Regulus Black Running Away Closeted Character Regulus Black Loves James Potter
Sirius and Regulus both run away to the potters, but Regulus is dating James but Sirius does not know. While Sirius is dating Remus and no one knows. Regulus and James try to hide their relationship from Sirius but he finds out. Regulus freaks out.
Merry Christmas, Please Don't Call

Merry Christmas, Please Don't Call

F/F
G
Updated
11.04.2025
Fandom
House of the Dragon (TV)
Characters
Rhaenyra Targaryen, Alicent Hightower, Otto Hightower, Alicent Hightower/Rhaenyra Targaryen, Gwayne Hightower, Alicent Hightower's Brothers
Tags
Alternate Universe - Modern Setting Bisexual Rhaenyra Targaryen Bad Parent Otto Hightower Sibling Bonding Happy Ending Second Chances Lesbian Alicent Hightower Christmas Eve
Alicent promised herself that she would never go back to her old city ever again.But things doesn't always go as planned and when the girl find herself in the city to spend christmas with her family, Alicent has to face her old mistake and regrets.
What if bloom was a witch and fairy hybrid

What if bloom was a witch and fairy hybrid

F/F
G
Updated
11.04.2025
Fandom
Winx Club
Characters
Darcy (Winx Club), Icy (Winx Club), Stormy (Winx Club), Bloom (Winx Club), Stella (Winx Club), Flora (Winx Club), Musa (Winx Club), Tecna (Winx Club), Aisha | Layla (Winx Club), Griselda (Winx Club), Bloom & Flora (Winx Club), Major fairy of nature Diana& flora,
Tags
Protective Siblings Sibling Bonding Mother-Daughter Relationship Female Friendship No Lesbians Die Sister-Sister Relationship found family trope
This is basically a what I would change from winx after season four or better yet an au of the actual series
i watch you burn so fast (it scares me)

i watch you burn so fast (it scares me)

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, Peter Pettigrew, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Lily Evans,
Tags
Time Skips Mutual Pining Sibling Bonding Angst with a Happy Ending It Gets Worse Before It Gets Better College AU Enemies to Friends to Lovers Gay Child Abuse Regulus Black-centric So much angst Eating Disorders
Regulus Black was born to skate. At the age of three, he was dragged onto the ice by his mother, who laced up his tiny skates and told him he would make history. Regulus didn’t understand how hard that would be.
No Obvious Truths

No Obvious Truths

F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Remus Lupin, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Lucius Malfoy, Neville Longbottom, Molly Weasley, Arthur Weasley, Fred Weasley, George Weasley,
Tags
Sibling Bonding Family Bonding Abusive Dursley Family (Harry Potter) Soul Bond Cancer Sane Voldemort (Harry Potter) Good Narcissa Black Malfoy Good Severus Snape Good Lucius Malfoy Good Voldemort (Harry Potter) Sick Harry Potter
Pre-Canon. Harry is a very sick young man. After Dumbledore doesn't step in to help, two people that no one would think would be his saviors do. From there, Harry learns that, in the Wizarding World, there are no obvious truths to cling to and wha...
Christmas at the Burrow

Christmas at the Burrow

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Percy Weasley, Charlie Weasley, Weasley Family (Harry Potter), Charlie Weasley & Percy Weasley
Tags
Fluff Family Family Fluff Sibling Bonding
Percy Weasley hadn't spent Christmas at the Burrow in years, unsure of his welcome after the rift that had formed between him and his family. But this year, he reluctantly returns, only to find an unexpected bond forming with his brother Charlie as t...
Pandemonium

Pandemonium

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Bill Weasley, Percy Weasley, Charlie Weasley, Charlie Weasley & Percy Weasley, Bill Weasley & Percy Weasley, Bill Weasley & Charlie Weasley, Bill Weasley & Charlie Weasley & Percy Weasley
Tags
Fluff Siblings Sibling Bonding Fluff and Humor
It's a rare sunny day in London, and Percy Weasley has a meticulously planned itinerary to make the most of their family zoo outing. But his brothers Bill and Charlie have other ideas, more interested in spontaneity than schedules. What's meant to be...
Within Closed Proximity

Within Closed Proximity

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Sirius Black/Remus Lupin
Tags
Alternate Universe - Canon Divergence Suicidal Thoughts Protective Siblings Sibling Bonding Angst with a Happy Ending Suicide Attempt Fluff and Angst Major Character Injury Regulus Black Lives moonwater friendship Roommates Major Character Undeath
three years ago Regulus found Sirius a mess and drunk out of his mind on the top of the astronomy tower, where their already strained relationship drops to the point of no return that very same night.three years later, freshly out of his nearly drown...