Sibling Relationship FanFiction

(so long as I'm your) favorite toy

(so long as I'm your) favorite toy

F/F
G
Updated
11.04.2025
Fandom
Dangan Ronpa Series
Characters
Tsumiki Mikan, Enoshima Junko/Tsumiki Mikan, Enoshima Junko & Ikusaba Mukuro, Ikusaba Mukuro, Ikusaba Mukuro & Tsumiki Mikan
Tags
Unhealthy Relationships Complicated Relationships Abuse Abusive Relationships Despair Tsumiki Mikan Tsumiki Mikan Needs a Hug junkan week (mikan voice) im better at loving junko than you Sibling Relationship Poor Ikusaba Mukuro Ikusaba Mukuro is Bad at Feelings Ikusaba Mukuro Needs a Hug
“Does it bother you?” Mukuro asks.Mikan only laughs, as if the question is ridiculous. “Does it bother you?”[Junkan Week Side:Despair, Day Three: Scars.]
A blue star

A blue star

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Evan Rosier, Barty Crouch Jr.
Tags
Past Child Abuse Suicide Bad Parent Walburga Black Angst and Tragedy Sibling Relationship
Sirius ran away and Regulus was left alone with his parents. A boy thrust into a position he doesn’t want and forced to take a path he doesn’t like.This is an angsty and sad exploration into the feelings of abandonment and fate of the younger Black b...
Every Slytherin Has a 'Puff

Every Slytherin Has a 'Puff

Gen
G
Updated
18.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Original Female Character(s), Harry Potter, Diary Tom Riddle, Thorfinn Rowle, Harry Potter & Original Female Character(s), Harry Potter & Original Character(s), Harry Potter & Stella the Snake, Harry Potter & Stella Rowle, Stella Rowle (Original Female Character), Stella the Snake
Tags
Horcruxes Parselmouths & Parseltongue (Harry Potter) Sibling Relationship Snakes Hufflepuff Harry Potter Neutral Harry Potter Mentioned Other(s) - Freeform Hypothetical Sequel Features Remus/Harry
Summary for the entire story. This is just a snippet. Lucius Malfoy misplaces the Dark Lord's Horcrux diary a year earlier than he had planned. Little Ronald Weasley doesn't want the sleek journal he later discovers with his school books, and he mana...
Ribs

Ribs

F/F
Gen
G
Updated
12.04.2025
Fandom
Supernatural
Characters
Sam Winchester, Dean Winchester, Dean Winchester & Sam Winchester, John Winchester, Cassie Robinson/Dean Winchester, Cassie Robinson
Tags
Internalized Homophobia Underage Sex - Freeform Genderbending Codependency Growing Up Sibling Relationship Not Incest Female dean and sam Season 1
It was the day after dad’s death that Deanna Winchester realised her hair had gotten longer.Essentially a story about De and Sam growing up as girls and how that would've affected them.