Adopted Sibling Relationship FanFiction

A Foreigner in a Pack of 2

A Foreigner in a Pack of 2

Gen
G
Updated
13.04.2025
Fandom
Fantastic Beasts and Where to Find Them (Movies)
Characters
Theseus Scamander, Newt Scamander, Queenie Goldstein, Tina Goldstein, Credence Barebone, Credence Barebone & Modesty Barebone, Modesty Barebone & Newt Scamander, Credence Barebone & Newt Scamander, Modesty Barebone & Tina Goldstein, Newt Scamander's Magical Beasts, Credence Barebone's Obscurus, Modesty Barebone
Tags
Developing Relationship Protective Siblings Implied/Referenced Child Abuse Adopted Children Platonic Relationships Fluff without Plot Adopted Sibling Relationship Well - Freeform fluff with some plot Parent Newt Scamander Our boy becomes a dad without even realizing it Protective Modesty Barebone
Once his mission is accomplished, the Magizoologist sits back, watching the pair interact in the background. He was only there if something outside of what they could do for each other was needed, but these were children who learned to care for thems...
Gregory's New Life

Gregory's New Life

F/F
G
Updated
11.04.2025
Fandom
Five Nights at Freddy's
Characters
Moon (Five Nights at Freddy's), Sun (Five Nights at Freddy's), Glamrock Chica (Five Nights at Freddy's), Montgomery Gator (Five Nights at Freddy's), Vanessa A. | Ness, Gregory (Five Nights at Freddy's), Roxanne Wolf (Five Nights at Freddy's), Glamrock Freddy (Five Nights at Freddy’s), Glamrock Bonnie (Five Nights at Freddy's), Glamrock Foxy (Original Five Nights at Freddy's Character), Tape Girl (Five Nights at Freddy's), Charlotte "Charlie" Emily,
Tags
Family Alternate Universe - Canon Divergence 3-Star Family | Vanessa A. | Ness and Glamrock Freddy and Gregory as Family Gregory has PTSD - Post-Traumatic Stress Disorder (Five Nights at Freddy's) Sentient Animatronics (Five Nights at Freddy's) Vanessa A. | Ness and Vanny | Reluctant Follower | Beta-Tester are the Same Person Good Vanessa A. | Ness Glamrock Freddy Acting as Gregory's Parental Figure (Five Nights at Freddy's) Gregory Needs a Hug (Five Nights at Freddy's) Gregory Needs Therapy (Five Nights at Freddy's) Gregory is Good with Technology (Five Nights at Freddy's) Homeless Gregory (Five Nights at Freddy's)
"So... what now?"Vanessa, Gregory, and Glamrock Freddy have successfully gotten out of the Mega PizzaPlex with their lives intact, even if their minds aren't, but now they have to deal with the mental and physical consequences the PizzaPlex has left...
A Tale of Lions and Snakes

A Tale of Lions and Snakes

F/F
F/M
M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, James Potter, Lily Evans Potter, Severus Snape, Draco Malfoy/Harry Potter, Draco Malfoy, Lucius Malfoy, Narcissa Black Malfoy, Luna Lovegood,
Tags
Angst Protective Siblings Angst with a Happy Ending Fluff and Angst Implied/Referenced Child Abuse Severitus | Severus Snape is Harry Potter's Parent Albus Dumbledore Bashing Regulus Black Lives Alternate Universe - Twins Twins Manipulative Albus Dumbledore Character Turned Into a Ghost
Lily Evans never fully trusted Dumbledore.She goes to one of the only people that might be willing to understand her thoughts. Severus Snape. It is this one moment that changes everything. Well. That and the twins. Lily Evans graduates from Hogwarts...
Peace Was Never An Option (Remastered)

Peace Was Never An Option (Remastered)

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Fandom
Dream SMP Minecraft (Video Game)
Characters
Original Characters, Technoblade (Video Blogging RPF), Original Character(s) & Original Character(s), Original Character/Original Character, Technoblade & Original Characters
Tags
Family Fluff Trans Male Character Self-Esteem Issues Everyone Needs A Hug Fluff and Angst Found Family Polyamory Major Character Injury Minor Character Death Trauma Homophobia Car Accidents
Dawn thought it would be funny to make a group chat, who knew how right she was. With chaos and angst at every corner, no one is safe.
The Monster You Created

The Monster You Created

F/F
M/M
Other
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), Jinx (League of Legends), Ekko (League of Legends), Viktor (League of Legends), Jayce (League of Legends), Silco (Arcane: League of Legends), Vander (League of Legends), Sevika (Arcane: League of Legends), Caitlyn & Jayce (League of Legends), Jayce/Viktor (League of Legends),
Tags
Slow Burn Body Dysphoria Found Family Enemies to Lovers Silco is His Own Warning (Arcane: League of Legends) Jayce is Trying His Best (League of Legends) Non-Consensual Body Modification Piltover (League of Legends) Zaun (League of Legends) Jinx is a Little Shit (League of Legends) Ableism Piltover Academy (League of Legends)
Viktor's day could not possibly get ANY WORSE. His life was turned upside down in a manner of minutes. One moment he's home, being harassed by his adopted sister, Jinx, before his home is invaded without warning. His... Connection to his father, Silc...
In All Timelines, In all Possibilities... I'm always yours, Jayce.

In All Timelines, In all Possibilities... I'm always yours, Jayce.

F/F
F/M
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021)
Characters
Jinx (League of Legends), Ekko (League of Legends), Viktor (League of Legends), Jayce (League of Legends), Silco (Arcane: League of Legends), Sevika (Arcane: League of Legends), Ekko/Jinx (League of Legends), Jayce/Viktor (League of Legends)
Tags
Domestic Fluff Jayce is in love with Viktor (League of Legends) Canon Disabled Character Jayce is a Sweetheart (League of Legends) Adopted Sibling Relationship Good Parent Silco (Arcane: League of Legends) Soft Silco (Arcane: League of Legends) Viktor Speaks Russian (League of Legends) Russian Viktor (League of Legends) Jayce is a Mess (League of Legends) Adopted Father Isha was adopted by Jinx and Ekko
The Zauntie and a Piltie

The Zauntie and a Piltie

F/F
F/M
M/M
Other
G
Updated
11.04.2025
Fandom
Arcane: League of Legends (Cartoon 2021)
Characters
Caitlyn (League of Legends), Vi (League of Legends), Jinx (League of Legends), Ekko (League of Legends), Viktor (League of Legends), Jayce (League of Legends), Silco (Arcane: League of Legends), Vander (League of Legends), Sevika (Arcane: League of Legends), Ekko/Jinx (League of Legends), Jayce/Viktor (League of Legends), Mel Medarda,
Tags
Fluff Angst Slow Burn Alternate Universe - College/University Fluff and Angst How Do I Tag Adopted Sibling Relationship Soft Silco (Arcane: League of Legends) Past Jayce (League of Legends)/Mel Medarda Viktor Was Raised by Silco (League of Legends) Jayce Is Bad At Feelings (League of Legends) Viktor Speaks Czech (League of Legends)
Expectations

Expectations

F/F
F/M
M/M
Multi
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), Jinx (League of Legends), Viktor (League of Legends), Jayce (League of Legends), Vander (League of Legends), Mylo (Arcane: League of Legends), Claggor (Arcane: League of Legends), Cassandra Kiramman, Tobias Kiramman, Caitlyn (League of Legends) & Cassandra Kiramman & Tobias Kiramman,
Tags
Bullying Internalized Homophobia Homophobia Teen Romance Soft Caitlyn (League of Legends) Alternate Universe - High School Bisexuality Fake/Pretend Relationship Jinx Goes by Powder (League of Legends) Adopted Sibling Relationship Good Parent Vander (League of Legends) Female Homosexuality
Caught between duty and desire, Caitlyn Kiramman, a 17-year-old heiress, endures her mother’s high-society schemes—this time, introducing a suitor: Jayce Talis, a Hextech prodigy with humble roots and undeniable charm. Resentful of the manipulation b...
An Alternate Introduction

An Alternate Introduction

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Original Male Character(s), Harry Potter, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Ron Weasley, Ginny Weasley, Molly Weasley, Arthur Weasley, Harry Potter/Ginny Weasley, Petunia Evans Dursley, Dudley Dursley,
Tags
Angst Alternate Universe - Canon Divergence Not Canon Compliant Implied/Referenced Child Abuse Arranged Marriage Alternate Universe Abusive Dursley Family (Harry Potter) Dark Magic Implied/Referenced Domestic Violence Pureblood Culture (Harry Potter) Foster Care Harry Potter Needs a Hug
What if Harry was introduced to the Wizarding World at a slightly younger age? What if he was given more time to get his bearings in the magical world?"An Alternate Introduction” is a story of friendship and a more bitter Harry Potter finding his way...
Harry Potter Plot Idea

Harry Potter Plot Idea

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Luna Lovegood/Harry Potter, Audrey Weasley/Percy Weasley, Harry Potter & Percy Weasley, Past Penelope Clearwater/Percy Weasley - Relationship
Tags
Brotherly Love BAMF Harry Potter Misunderstandings Adopted Children Adopted Sibling Relationship
This idea is based on an unfinished story Harry's Brother by thekinglystar, where Percy is adopted and biologically the son of Lily Evans and Remus Lupin, who had him at seventeen.
Mistey Eyes

Mistey Eyes

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Fantastic Beasts and Where to Find Them (Movies)
Characters
Original Female Character(s), Harry Potter, Draco Malfoy, Ron Weasley, Hermione Granger, Ginny Weasley, Fred Weasley, George Weasley, Harry Potter/Ginny Weasley, Luna Lovegood, Hermione Granger/Ron Weasley, James Sirius Potter,
Tags
Alternate Universe - Canon Divergence Post-War Seer Luna Lovegood Adopted Sibling Relationship but we love them charlotte scamander harry potter is a good dad her powers are passed down scamander siblings newt is a grandfather james and teddy are stupid Seer Powers
Charlotte is just a normal girl who just happens to run away from home with these strange people who insist she is the long lost child of their old friend.Will she discover more about her past and true family? Find new secrets? Fall in love?Maybe she...
Reborn to the Uchiha Clan

Reborn to the Uchiha Clan

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Naruto (Anime & Manga)
Characters
Harry Potter, Sirius Black, Hatake Kakashi, Uchiha Itachi, Uchiha Obito, Namikaze Minato, Sarutobi Asuma, Other Naruto Character(s), Sarutobi Hiruzen, Nara Shikaku, Uchiha Fugaku, Uchiha Mikoto,
Tags
Slow Burn Family Fluff Original Character(s) Misunderstandings Slow Build Slow Romance Panic Attacks Healing Family Feels Adopted Sibling Relationship Brother-Sister Relationships Uchiha Clan (Naruto)
I don't think it needs this summary. The title says it all. Harry Potter is renamed Masaki Uchiha, and he has to deal with a lot of shit to even get things to stabilise. Learning these world rules is difficult as hell. Raising three little sisters is...
Refrigerators Don't Run, Weirdo

Refrigerators Don't Run, Weirdo

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Severus Snape, Lucius Malfoy, Albus Dumbledore, Tom Riddle, Gellert Grindelwald, Harry Potter/Tom Riddle, Bellatrix Black Lestrange, Rodolphus Lestrange, Rabastan Lestrange, Hermione Granger/Ginny Weasley, Nott Sr. (Harry Potter)
Tags
Alternate Universe - Modern Setting no beta we die like men I'm Bad At Tagging Alternate Universe - Human Office Adopted Sibling Relationship I swear Tom Riddle is a scammer The Weasleys adopted Harry IT'S SO SWEET
Tom Riddle works at a scam call center and calls Harry Potter, who is a professional soccer ("football") player. Shenanigans ensue. Canon is a piece of paper that I bend to my will.
Harry Potter-Lovegood

Harry Potter-Lovegood

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Lucius Malfoy, Neville Longbottom, Fred Weasley, George Weasley,
Tags
BAMF Harry Potter Master of Death Harry Potter Bisexual Harry Potter Invisibility Cloak (Harry Potter) Adopted Sibling Relationship Genius Harry Potter Harry Potter Has a Different Name Harry Potter Has a Pet Snake Harry only lives with the Dursleys for a couple years Luna is a seer Harry has premonitions of death Harry still has Hedwig
The Dursleys forget Harry while taking Dudley shopping in London, the Lovegoods find and adopt him. Luna and Harry as siblings. Luna is a seer and Harry is chaotic.
Mi AU

Mi AU

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
A Song of Ice and Fire - George R. R. Martin Harry Potter - J. K. Rowling Ben 10 Series
Characters
Severus Snape, Lucius Malfoy, Albus Dumbledore, Gellert Grindelwald, Ariana Dumbledore, Abraxas Malfoy, Original Character(s)/Original Character(s), Albus Dumbledore/Gellert Grindelwald, Aberforth Dumbledore, Aberforth Dumbledore/Original Character(s), Abraxas Malfoy/Female Tobias Snape, Eva/Sparda (DmC),
Tags
Fatherhood Father-Son Relationship Family Fluff Family Bonding Adoption Childhood Friends Adopted Children Mother-Daughter Relationship Sister-Sister Relationship Good Tom Riddle Parent-Child Relationship Mother-Son Relationship
esto es un archivo para mi AU.Aviso: Tengo mala ortografia.
Just another night with you blookers

Just another night with you blookers

Other
G
Updated
17.04.2025
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), Marlene McKinnon, Minerva McGonagall,
Tags
Fluff and Angst Romance Friendship Marauders Era (Harry Potter) Marauders Hogwarts Fun Black Family Drama (Harry Potter) First Love Protective Minerva McGonagall Adopted Sibling Relationship The Noble and Most Ancient House of Black
Marauders One Shotsjust a little out of the Marauders life, cause the ideas keep flowing but I can`t write a whole story for every ideai have when I`m on to write a whole book of the Black Brothers right now :)PS: I`ts my first One Shot story so im s...
Anything

Anything

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
Original Work
Characters
Original Character(s)/Original Character(s)
Tags
Angst Slow Burn Friends to Lovers Betrayal Explicit Language Sexual Content Hurt/Comfort Explicit Sexual Content Grief/Mourning Age Difference Slow To Update Worldbuilding
Oskar had always remembered his best friend complaining about his adulthood and how his world managed to crumble in a few blinks. Though, it was safe to say that he had never expected any of that to happen to him.
Avatar stupid hc nd other stuff

Avatar stupid hc nd other stuff

F/F
F/M
Gen
M/M
Multi
G
Updated
12.04.2025
Fandom
Avatar (Cameron Movies)
Characters
Recombinant Lyle Wainfleet, Miles "Spider" Socorro, Jake Sully, Lo'ak te Suli Tsyeyk'itan, Tuktirey te Suli Neytiri'ite, Kiri te Suli Kireysi'ite, Tonowari (Avatar - Cameron), Aonung (Avatar - Cameron), Tsireya (Avatar - Cameron), Sully Family (Avatar - Cameron), Rotxo (Avatar - Cameron), Miles "Spider" Socorro & Sully Family,
Tags
Alternate Universe - Canon Divergence Friends to Lovers Father-Son Relationship Headcanon Tags May Change Español | Spanish I'm Bad At Tagging Tags Are Hard How Do I Tag Underage Drinking Underage Smoking Alternate Universe - Human
Básicamente lo que dice el título.I write in Spanish, maybe I'll add a translation too.
Seek Your Dignity

Seek Your Dignity

F/F
G
Updated
12.04.2025
Fandom
Dragon Age (Video Games) Dragon Age: Origins
Characters
Female Cousland & Oriana Cousland, Female Cousland (Dragon Age), Oriana Cousland, Thomas Howe (Mentioned Only)
Tags
Hurt/Comfort Adopted Sibling Relationship Fade Dreams Dragon Age: Origins Quest - Broken Circle Fade Spirits
What really happens in my Cousland's dream scene from the Broken Circle quest, instead of .... Errr, Duncan!
Avatar oneshots (sfw)

Avatar oneshots (sfw)

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
Avatar (Cameron Movies)
Characters
Lo'ak te Suli Tsyeyk'itan/Tsireya, Miles "Spider" Socorro, Jake Sully, Lo'ak te Suli Tsyeyk'itan, Neteyam te Suli Tsyeyk'itan, Tuktirey te Suli Neytiri'ite, Neytiri te Tskaha Mo'at'ite, Kiri te Suli Kireysi'ite, Aonung/Neteyam te Suli Tsyeyk'itan, Aonung (Avatar), Tsireya (Avatar), Ronal (Avatar),
Tags
Fluff Angst Friends to Lovers Protective Siblings Unrequited Love Father-Son Relationship Love Confessions Character Death Sibling Bonding Fluff and Angst Enemies to Friends to Lovers Idiots in Love
Read the tags that’s all I have to say!! Fluff and angst fics!! Will mostly be Aonung x neteyam. This is the first one-shot of the book!