Big Brothers FanFiction

The Eldest Problem Children

The Eldest Problem Children

Other
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Harry Potter, Minerva McGonagall, Ron Weasley, Hermione Granger, Ginny Weasley, Fred Weasley, George Weasley, Dean Thomas, Hermione Granger & Harry Potter & Ron Weasley, Seamus Finnigan, Fred Weasley & George Weasley,
Tags
Family Dynamics Emotional Hurt/Comfort Everyone Needs A Hug Found Family Hogwarts Era Pranks and Practical Jokes Gryffindor Common Room Protective Fred Weasley & George Weasley Chaotic Good Big Brothers
Fred and George Weasley return to Gryffindor Tower for one chaotic night—bringing laughter, pranks, and surprisingly good advice. Between enchanted sweets, teary-eyed third-years, and comforting old friends, the twins prove once again that they’re mo...
Just dead.

Just dead.

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Regulus Black & Sirius Black
Tags
Angst Character Death Canonical Character Death Hurt No Comfort Death Regulus Black Dies Regulus Black and Sirius Black Angst Angst and Tragedy Dysfunctional Black Family (Harry Potter) The Noble and Most Ancient House of Black Brothers Little Brothers
Nine days later, his death was printed in the newspaper. Nine days later, his brother saw his face on the front page, Black heir DECEASED for reasons unknown. Nine days later, both of the Black brothers were dead, but only one had stopped breathing....
your ocean eyes

your ocean eyes

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, Peter Pettigrew, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier,
Tags
Protective Siblings Not Canon Compliant Enemies to Lovers Gay Regulus Black & Sirius Black Have a Good Relationship BAMF Lily Evans Potter Alternate Universe - Pirate Sirius Black Tries to Be a Good Sibling Language Barrier Protective James Potter BAMF James Potter Big Brothers
mermaid/pirate jegulus au. what more do i even need to say?
Nowhere Land

Nowhere Land

F/F
F/M
M/M
Other
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Other Character Tags to Be Added, Other Relationship Tags to Be Added, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter),
Tags
Angst Eventual Happy Ending Slow Burn Other Additional Tags to Be Added Blood and Injury Hurt/Comfort Torture Recovery Everyone Needs A Hug Fluff and Angst Psychological Trauma Violence
It has been ten years since the virus spread across the world.It has been ten years since the apocalypse had ruined everything.In ten years the wrong people took advantage of the situation.A war to establish the hierarchy has to be fought, but the po...
Cyrus Malfoy || Draco Malfoy's Little Brother

Cyrus Malfoy || Draco Malfoy's Little Brother

F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Original Male Character(s), Sirius Black/Remus Lupin, Remus Lupin, Severus Snape, Draco Malfoy, Bellatrix Black Lestrange, Lucius Malfoy/Narcissa Black Malfoy, Original Child Character(s), Pansy Parkinson/Blaise Zabini, Black Family (Harry Potter),
Tags
Alternate Universe - Modern Setting Protective Draco Malfoy Draco Malfoy Has a Sibling Big Brothers Mentioned Voldemort (Harry Potter) Draco Malfoy is a Member of the House of Black Big Brother Draco
When Draco was in his 1st year at Hogwarts he received news that his mother had given birth to his baby brother, Cyrus Malfoy. Fast forward to when Draco is in his 3rd year, he had just recovered from the Buckbeak incident. When he receives a letter...
Ths Prank That Started It All

Ths Prank That Started It All

F/F
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, James Potter, Peter Pettigrew, Lily Evans Potter, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Pandora Lovegood/Lily Evans Potter, Regulus Black/Barty Crouch Jr.,
Tags
Trans Male Character Past Torture Child Abuse Marauders Era (Harry Potter) Bisexual Male Character Everyone Is Gay Best Friends Arguing Regulus Black and Sirius Black Angst Platonic Relationships Male-Female Friendship Past Violence
A unlikely prank started by the marauders (Sirius, James,Peter) Leads to the Gryffindors having to really on the slytherin Skittles. While this cause a strong friendship between Remus and Reggie. This also cause romance between slytherin and Gryffind...
Nadezhda Maria Kostov

Nadezhda Maria Kostov

Gen
Multi
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling Naruto
Characters
Original Characters, Original Female Character(s), Tom Riddle, Gellert Grindelwald, Shimura Danzou, Durmstrang Students, Durmstrang Staff, Original Female Character(s) & Original Character(s), Nadezhda Maria Kostov
Tags
Siblings Blood and Violence Politics Reincarnation Pureblood Culture (Harry Potter) Wealth Dissociation Pureblood Society (Harry Potter) Assassination 1940s 1930s Philosophy
Nadezhda was an unusual child. Unnerving, some might say.。。。She was a different person now, and yet, at the core of it at all, she was the same. She didn’t think even a fraction of her would feel guilt if she were to kill someone again. She wasn’t...