Hufflepuff/Slytherin Inter-House Relationships FanFiction

SCIENTIFIC MAGIC

SCIENTIFIC MAGIC

F/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling Marvel Cinematic Universe
Characters
Original Female Character(s), Harry Potter, Tony Stark, Jarvis (Iron Man movies), Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Albus Dumbledore, Voldemort (Harry Potter), Rubeus Hagrid,
Tags
POV Female Character Other Additional Tags to Be Added Everyone Needs A Hug Fluff and Angst Enemies to Friends to Lovers Found Family Childhood Trauma Tags Contain Spoilers Trauma Severus Snape Lives Albus Dumbledore Bashing Spoilers
Theo has a key with her name on it, a knife she took after a fight, and a brain that could crack city surveillance before most kids learn multiplication. She lives in the shadows of New York- scarred, silent, and surviving. She isn’t looking for a ho...
Edith Cahill and the Two Slytherins

Edith Cahill and the Two Slytherins

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Albus Dumbledore, Evan Rosier, Original Muggle-born Characters (Harry Potter),
Tags
Tension Slow Burn Mutual Pining Opposites Attract Marauders Era (Harry Potter) Marauders Slytherin Regulus Black Lives Good Regulus Black Maybe Smut????? Hufflepuff/Slytherin Inter-House Relationships Hufflepuff
Edith just wants to get through her sixth year at Hogwarts with as little trouble as possible. That all changes when her younger brother receives his Hogwarts letter. And gets even worse once he is sorted. And why is Regulus Black suddenly appearing...
The Kisses of Death

The Kisses of Death

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Female Character(s), Original Male Character(s), Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Regulus Black & Sirius Black, Minor or Background Relationship(s), Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Alphard Black,
Tags
Slow Burn Everyone Needs A Hug Fluff and Angst Implied/Referenced Character Death Slow Build Marauders Era (Harry Potter) First Wizarding War with Voldemort (Harry Potter) Period-Typical Racism Heir of Slytherin Harry Potter Hufflepuff/Slytherin Inter-House Relationships Ravenclaw & Slytherin Inter-House Friendships Prejudice Against Muggle-borns
Summer 1977. Argus, Halcyon, and Regulus’ world changes in ways they never could have imagined. Their classmate Lucinda is dead, and in the wake of her loss, an unlikely trio—a Ravenclaw, a Hufflepuff, and a Slytherin—sets out to fulfill her final wi...
The Curse of Mahglin, Part 1

The Curse of Mahglin, Part 1

F/F
F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Minerva McGonagall, Neville Longbottom, Original Character/Original Character, Hannah Abbott
Tags
Post-Canon Hufflepuff Pride Hufflepuff/Slytherin Inter-House Relationships Community: HPFT
Reginald Dennison, the future Lord Mahglin, steals a book from his father's library and begins to learn Dark Magic. Will he use it on a classmate? Plus: Liam Wren becomes a prefect and asserts his leadership even with older students; Stacy meets her...
The Pact

The Pact

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Sirius Black/Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Lucius Malfoy, Neville Longbottom, Narcissa Black Malfoy, Albus Dumbledore,
Tags
Alternate Universe - Canon Divergence Angst with a Happy Ending Enemies to Lovers Happy Ending Angst and Feels Arranged Marriage Soul Bond Albus Dumbledore Bashing Good Slytherins Dark Magic Underage Drinking Soulmates
Y/n Lavigné transfers from Beauxbatons academy in France to Hogwarts at the beginning of fifth year. After being placed in Hufflepuff, she tries to forget her complicated home life. However, after being forced into a business meeting with the Malfoys...
Open Hand Or Closed Fist Would Be Fine (blood is as red and sweet as cherry wine)

Open Hand Or Closed Fist Would Be Fine (blood is as red and sweet as cherry wine)

F/M
Gen
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Harry Potter: Hogwarts Mystery (Video Game)
Characters
Original Female Character(s), Original Male Character(s), Original Trans Character(s), Minerva McGonagall, Severus Snape, Original Female Character(s)/Original Male Character(s), Original Female Character(s) & Original Female Character(s), Hogwarts Staff, Cedric Diggory, Hogwarts Students, Original Male Character(s)/Original Male Character(s), Flora Carrow,
Tags
Fluff Angst Other Additional Tags to Be Added Angst with a Happy Ending Friendship Mental Health Issues Abusive Relationships Healing Gryffindor/Slytherin Inter-House Relationships Slytherins Being Slytherins Ravenclaw/Slytherin Inter-House Relationships Additional Warnings Apply
kalopsia[ ka-lop-se-a ] Greek(n.) The delusion of things being more beautiful than they really are.  “The cup is overflowing with my blood, and yet, your appetite cannot seem to be sated. Your teeth dig into flesh, except, only I feel the sting of a...
For what it's worth

For what it's worth

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Tom Riddle | Voldemort, Tom Riddle/Original Female Character(s), Euphemia Potter, Euphemia Potter & Original Character(s), Emrys Rosewood
Tags
Flirting Sarcasm Hufflepuff Pride Manipulative Tom Riddle Hufflepuff/Slytherin Inter-House Relationships Hufflepuff Young Tom Riddle Teenage Tom Riddle Hufflepuff Reader Hufflepuff Original Character(s) Young Euphemia Potter bully flirting
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)
Ardenti Luce Stellarum || Pre - hogwarts

Ardenti Luce Stellarum || Pre - hogwarts

F/F
F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Sirius Black, Lucius Malfoy, Narcissa Black Malfoy, Evan Rosier, Andromeda Black Tonks, Bellatrix Black Lestrange, Abraxas Malfoy, Barty Crouch Jr., Pandora Lovegood, Regulus Black/Original Character(s),
Tags
Emotional Manipulation Implied/Referenced Child Abuse Arranged Marriage Marauders Era (Harry Potter) Pureblood Culture (Harry Potter) Pureblood Politics (Harry Potter) Bad Parent Walburga Black Regulus Black Needs a Hug The Noble and Most Ancient House of Black Warning: Walburga Black The Sacred Twenty-Eight (Harry Potter) Wizengamot (Harry Potter)
Abraxas malfoy remarried soon after the death of his first wife and mother of lucius, after remarrying his new wife bares him a daughter.Ophelia Delphine Malfoyand the birth of this one character sends a butterfly effect throughout the timeline in wh...
The Painful Promise

The Painful Promise

F/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Harry Potter, Reader, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Lucius Malfoy, Ginny Weasley, Narcissa Black Malfoy, Original Muggle Character(s), Blaise Zabini,
Tags
Fluff Angst Angst with a Happy Ending Angst and Hurt/Comfort Fluff and Angst Attempted Rape/Non-Con Draco Malfoy Redemption Sad Draco Malfoy Hurt Draco Malfoy Hufflepuff/Slytherin Inter-House Relationships Draco Malfoy is a Little Shit Hufflepuff Reader
“You’re worth so much, and I haven’t been able to show you. I can’t promise you anything right now…”“I’m a patient person.” You smile up at him… “I can wait.”—Draco has his whole life planned out. And then he meets you.—SA attempt is NOT by Draco, an...
Solaris Black & the mysteries of the forbidden forest

Solaris Black & the mysteries of the forbidden forest

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Male Character(s), Harry Potter, Remus Lupin, Sirius Black, Minerva McGonagall, Severus Snape, Ron Weasley, Hermione Granger, Ginny Weasley, Neville Longbottom, Kingsley Shacklebolt,
Tags
The Author Regrets Everything The Author Regrets Nothing Regulus Black and Sirius Black Angst Black Family Drama (Harry Potter) Manipulative Albus Dumbledore Sirius Black Free from Azkaban Regulus Black Deserves Better Black Family-centric (Harry Potter) Hogwarts Inter-House Friendships Severus Snape Has a Heart Slytherins Being Slytherins Mentor Severus Snape
when you put a rich, lazy, curious, genius child at hogwarts with a family drama and has sleep deprive problem, well lets just say Hogwarts is in for a ride Or Solaris Einar Black just want to study magic but as always the Black family is not the Bla...
Thank Merlin For Stairs (B.Z.)

Thank Merlin For Stairs (B.Z.)

F/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Draco Malfoy, Hermione Granger, Blaise Zabini, Pansy Parkinson, Harry Potter Characters, Blaise Zabini/Reader, Blaise Zabini/Original Female Character(s)
Tags
Fluff Awkward Flirting Miscommunication Slytherin Awkward Crush Book 6: Harry Potter and the Half-Blood Prince Christmas Hufflepuff/Slytherin Inter-House Relationships idk what else to put??? Hufflepuff Reader my first time writing SRSLY THIS IS NOT THE BEST WRITING IVE DONE
You never thought you’d be late to breakfast. For Merlin’s sake, everyone in Hogwarts knew better. You should have known better. You didn’t think this would happen since Hermione, your best friend, scolded you to not be late today.‘Helga, help me,’ w...
ᴏꜰ ᴏᴀ𝗄 ᴀꜱʜ ᴀɴᴅ ᴛʜᴏʀɴ || ʜᴏɢᴡᴀʀᴛꜱ ʟᴇɢᴀᴄʏ

ᴏꜰ ᴏᴀ𝗄 ᴀꜱʜ ᴀɴᴅ ᴛʜᴏʀɴ || ʜᴏɢᴡᴀʀᴛꜱ ʟᴇɢᴀᴄʏ

Multi
Other
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Hogwarts Legacy (Video Game)
Characters
Poppy Sweeting, Ominis Gaunt, Sebastian Sallow, Natsai Onai, Imelda Reyes, Adelaide Oakes, Leander Prewett, Phineas Nigellus Black, Dinah Hecat, Deek (Hogwarts Legacy), Aesop Sharp, Victor Rookwood,
Tags
Time Travel Aurors Slytherin Dark Magic Enemies to Friends Ministry of Magic (Harry Potter) Gryffindor/Slytherin Inter-House Relationships Ravenclaw Friends to Enemies Care of Magical Creatures Hogwarts Fifth Year 1890s
»"Do you trust me?" She whispered as she drew a sharp breath in. "I would move the world for you if you cried," he clutched her cold, trembling hands as his eyes traced hers. "Always,I always will."«When the world suddenly starts to quake as catastro...
Sunflower

Sunflower

Multi
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Hogwarts Legacy (Video Game)
Characters
Original Female Character(s), Draco Malfoy, Blaise Zabini, Luna Lovegood, Theodore Nott, Pansy Parkinson, Mattheo Riddle (yasmineamaro), Lorenzo Berkshire (babynaomi), Mattheo Riddle (yasmineamaro)/Original Character(s)
Tags
Fluff Friends to Lovers Angst with a Happy Ending Post-Traumatic Stress Disorder - PTSD Implied/Referenced Self-Harm Fluff and Angst Albus Dumbledore Bashing Other Ships Not Mentioned in Tags Underage Drug Use Underage Drinking Some Humor Sorry Not Sorry
What if the Dark Lord didn't give two shits Harry Potter? What if his end goal was to obtain ancient magic that he thought would be the key to bringing down the Wizarding World? Ancient magic that was inherited by a young Hufflepuff who just wants t...
The Healing Touch

The Healing Touch

F/F
F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Sirius Black, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Albus Dumbledore, Harry Potter & Severus Snape, Sirius Black & Harry Potter, Harry Potter & Slytherin Students
Tags
Parselmouths & Parseltongue (Harry Potter) Healer Harry Potter Harry Potter Has a Pet Snake Hufflepuff/Slytherin Inter-House Relationships Hufflepuff Harry Potter Severus Snape Redemption
When Harry meets an injured snake in the garden, his view on life changes. As Harry uncovers what true magic is... and maybe creates his own kind with time.This is my first time writing fanfic of any sort. Please leave comments for advice!I utilized...
Expectations and Reality

Expectations and Reality

F/M
Gen
Multi
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Original Female Character(s), Original Male Character(s), Harry Potter, Severus Snape, Draco Malfoy, Ron Weasley, Hermione Granger, Astoria Greengrass, Ginny Weasley, Neville Longbottom, Tom Riddle | Voldemort,
Tags
Explicit Language Character Death Consensual Underage Sex Blood and Violence Enemies to Lovers Sexual Tension Recreational Drug Use Underage Drinking Injury Morally Ambiguous Character Partying Gryffindor/Slytherin Inter-House Relationships
As clever as the devil and twice as pretty, Josephine Selwyn thrived at Hogwarts and as a witch. She had amazing friends, a loving family, a thrilling school experience, and ambitions beyond imagination. But with a second wizarding war threatening to...
Fluorescent adolescent

Fluorescent adolescent

Multi
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling Harry Potter and the Cursed Child - Thorne & Rowling
Characters
Draco Malfoy, Ron Weasley, Hermione Granger, Ginny Weasley, George Weasley, Angelina Johnson, Nymphadora Tonks, Andromeda Black Tonks, Bellatrix Black Lestrange, James Sirius Potter, Scorpius Malfoy, Albus Severus Potter,
Tags
Angst Rough Sex Body Dysphoria Gender Dysphoria Implied/Referenced Self-Harm BDSM References to Drugs Past Relationship(s) Threesome Trauma Mental Health Issues Light BDSM
second generation of harry potter as a fan fic, 'cause im madly obsessed with them and i think we should talk more about them.im so sorry for my grammar, english isn't my first language i just find more comfortable writing like this lolit's always ea...
Oranges and Cinnamon Rolls

Oranges and Cinnamon Rolls

F/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling Hogwarts Legacy (Video Game)
Characters
Original Characters, Original Female Character(s), Ominis Gaunt & Sebastian Sallow, Ominis Gaunt, Sebastian Sallow, Ominis Gaunt/Original Female Character(s), Ominis Gaunt/Reader, Anne Sallow, Phineas Nigellus Black, Matilda Weasley, Ominis Gaunt/Player Character, Ominis Gaunt & Anne Sallow,
Tags
Smut Fluff Sexual Content Voyeurism Fluff and Smut Implied Sexual Content Explicit Sexual Content Cunnilingus Alpha/Beta/Omega Dynamics Rape/Non-con Elements Not Beta Read Romance
When fate deals a cruel blow to Prim Cromwell's secluded existence in the Appalachian backwoods, she's thrust into the bewildering world of Hogwarts School of Witchcraft and Wizardry. Navigating the intricate maze of Alpha-Omega dynamics proves a cha...
I can protect you now

I can protect you now

F/M
Gen
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling Fantastic Beasts and Where to Find Them (Movies)
Characters
You, Newt Scamander, Newt Scamander/Reader, Newt Scamander/You, Newt Scamander & You, Newt Scamander & Reader, Newt Scamander's Bowtruckle
Tags
Established Relationship Romantic Fluff Fluff and Hurt/Comfort Spiderman AU Hogwarts Astronomy Tower Hufflepuff/Slytherin Inter-House Relationships Slytherin Reader Acromantulas (Harry Potter) Midnight dates on the Astronomy Tower Evening café dates Newt Scamander is a man of taste he stutters but it's cute
Where your boyfriend, none other than sixth-year Hufflepuff geek Newt Scamander, is bitten by an acromantula. An immature one, don't worry. He then limits contact for weeks, making you worry if maybe the bite wasn't so harmless after all...It takes a...
When Orbits Collide

When Orbits Collide

F/M
G
Updated
17.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Female Character(s), Draco Malfoy, Blaise Zabini, Padma Patil, Draco Malfoy/Reader, Draco Malfoy/Original Female Character(s), Cedric Diggory/Original Female Character(s), Padma Patil/Blaise Zabini
Tags
Slow Burn Friends to Lovers Slow Build Strangers to Lovers My First Fanfic Hufflepuff/Slytherin Inter-House Relationships Hufflepuff Soft Draco Malfoy Slytherpuff
𝒫𝑒𝑜𝓅𝓁𝑒 𝓂𝑜𝓋𝑒 𝑜𝓃 𝑜𝓇𝒷𝒾𝓉𝓈 𝓈𝑜 𝒹𝒾𝓈𝓉𝒶𝓃𝓉 𝒻𝓇𝑜𝓂 𝑜𝓃𝑒 𝒶𝓃𝑜𝓉𝒽𝑒𝓇. 𝐵𝓊𝓉 𝓈𝑜𝓂𝑒𝓉𝒾𝓂𝑒𝓈 𝓉𝒽𝑒𝓎 𝒸𝑜𝓁𝓁𝒾𝒹𝑒, 𝒶𝓃𝒹 𝓌𝒽𝑒𝓃 𝓉𝒽𝑒𝓎 𝒹𝑜, 𝓌𝒽𝒶𝓉 𝒶 𝑔𝑜𝒹𝒹𝒶𝓂𝓃 𝒷𝑒𝒶𝓊𝓉𝒾𝒻𝓊𝓁 𝓉𝒽𝒾𝓃𝑔. Nicole Roberts is a half-blood Hufflepuff starting her sixth year at Hogwarts. She's in the midst of a "thing" with a ver...