Best Tomarry Obsession Fanfics
The best obsession Tomarry (Tom Riddle/Harry Potter) fanfiction on AO3, curated by popularity. Obsession dramatizes the terrifying edge of wanting, and readers are drawn to fiction that admits desire is not always tidy or safe.
Top Tomarry Obsession Fic Recs
1 obsession Tomarry fic matched, followed by other top-rated Tomarry stories.
All That We Become
Obsessionby emeraldsea
After the war, Harry Potter, now the Master of Death, returns to the past and becomes Hogwarts’ flying instructor, raising young Tom Riddle in a secluded Highland cottage under Headmaster Dippet’s protection. Tasked with guiding a child destined for darkness, Harry’s own moral compass shifts as he p
What To Expect When You're Unexpectedly Expecting
by Riddle_Me_Harry
There's a reason another person should never be made into a Horcrux - because magic, life, and souls don’t obey clean lines. What began as a rare, magical event slowly unspools into something far stranger, and far more human. Bound by fate, magic, and a child neither of them expected, the Boy Who Li
When Death gives you a chance
by GoldenMoonsky
A gift is what Death called it, Harry still isn't really sure about that. After reincarnating and living so many lives, it really shouldn't have come as a surprise to find himself in the middle of the war that had started it all.The most logical thing to do, of course, is to adopt himself.What could
My Star & My Moon - Horcrux Route
by RuiMinakazeAi
In this world, everyone has their own unique soulmate mark. Each one is animated.These marks tend to move around the skin.It can be on your palm, and the next moment, it's gone!Where is it? Oh no, it's on your butt cheeks!The marks also has faces that mirrors what your soulmate is currently feeling.
His Most Prized Possession
by Darkfire315
50 years ago, Tom Riddle’s soul was sealed into a diary, helplessly trapped within its pages. For decades, he sought to escape this prison of his own design.So when a boy named Harry Potter begins writing to him, Tom seizes the opportunity to achieve his freedom. Harry is shockingly easy to possess,
1942
by TheHolyGay
Harry Potter is shat on by his friends and Dumbledore, so Death pulls him back in time to screw Dumbledore over and get dicked down by a hot guy. Yep, that's pretty much all there is to it. Over the course of nearly 200 chapters. Y’all were being too slow voting so I asked my sister and her opinion
Fragments of Time
by Lomonaaeren
This is a series of short pieces exploring various ideas about Harry traveling back in time to Tom Riddle’s schooldays. Some are gen, some slash, and some have more warnings than others. I’ll be posting one a day between the summer solstice and the first of August.
sunk cost fallacy
by ICTYN (hpwrbowdm)
Tom and Harry grow up together, but Slytherin politics drive them apart. In a scheme to save their friendship, Tom drags Harry to tag along on a pureblood holiday getaway to the South Pacific---right in the middle of a warzone. The story goes like this: a yacht, a sea mine, and six teenage boys stra
The Golden Boy Who Refused to Fight
by LarissaKoikoi
Harry is tired.Tired of living with his relatives.Tired of fighting for people who see him as a weapon — or worse, who treat him well one moment and blame him for everything the next. They say his sacrifices are not enough. That they expected the “Golden Boy” to be more.In short, Harry is tired. But
Two Insane People Fall For Harrie
by Aleyaxoma
This story will be sorta similar to the movie P2 if you’ve seen it but only for the first three chapters, the idea will be taken from it haha! Just to let you know this is an extremely dark romance book so please read the tags before you click on this book, it does get better, but it’s a slow proces
Fated Enigma
by maraudersaffair
For 50 years, Alpha Tom Riddle waited in his prison for his Omega.Now Tom is free and he will do anything to keep Harry safe. Including helping him end Voldemort.Oh, and Draco Malfoy is there, too. For some reason.
Crooked Legacies
by Hoppsan
Harry Potter gets Kissed. Thrust into a world much like his own, Harry must navigate family life, a nemesis who behaves nothing like he should, and seeing magic no one else can. Same shite, different day. OR: Harry Potter was born a Squib.It doesn't stick.Unfortunately, Tom Riddle does.
If Only I Knew You
by Anonymous_6429
Harry Potter is already in a relationship with Tom Riddle, something that had long since settled into routine, stable enough that neither of them had thought to examine it too closely... until the misalignment becomes noticeable, present in the way conversations no longer resolve as easily, in the w
Soul Healer
by Anonymous
James Potter was murdered after refusing to save the heir of one of Britain’s most influential families. Before her death, Lily made Harry swear never to reveal the secret that cost his father his life. Now an internationally renowned rehabilitation specialist, Harry returns to Britain just as Minis
Beneath the Waves
by OllieBeans
Harry Potter wasn't sure what to do with the small boat rocking and floating above his head, light occasionally blasting in bright green jets into the sky like a beacon. He had always been told to avoid the surface and the creatures that did their magic with sticks and walked on an extra, longer odd
it's all in the timing
by Anonymous
Harry Potter does not travel back in time to kill Tom Riddle. He does it to become Tom's apprentice while keeping his identity secret and avoid changing history, but the future starts unraveling the moment Tom Riddle lets him into his life earlier than planned.
Beautiful Nightmare
by piercedfallenangel
Harry had enough. It was all to much for him. He was only 15 years old. Everyone relied on a child. What could he do? He wasn't some heavenly saviour. He was a child, who never got to live. Never live fir himself. He lived for others. His final wish was to have a normal life. And he got what he want
Право быть
by Gianny_Ts
"Это отвратительно. Это… блядь, Мэлфой, это пиздец. Это Азкабан пожизненно. Некромантия, обряды на крови, рабство. Ты мне предлагаешь стать некромантом, стать рабовладельцем и пить кровь Волдеморта, я ничего не упустил? Живого Волдеморта. Который будет моим вассалом. Охуеть, кричали гости, нет, бляд
Never ever getting rid of me!
by Trav_37
No summary provided.
О М У Т
by FerrilFreeman
Гарри x Геллерт и Том x Альбус В тиктоке обсуждали комбо из пейрингов и я решила написать по этому квадро. В моем омегаверсе у омег промежность называется кокил, типа ракушка.
Find More Tomarry Obsession Stories on AO3
Browse the full AO3 archive for obsession Tomarry fanfiction, sorted by kudos. Then read offline with Fanfict Reader.
Why Obsession Tomarry Fanfiction Works So Well
Tom Riddle/Harry Potter — Pairing Harry with the young Tom Riddle — diary horcrux, time-traveler, or AU schoolmate — lets fandom explore the prophecy bond as something more intimate than murder. 'Neither can live while the other survives' was always going to get this reading.
Obsession — One character's fixation on another consumes the narrative — watching, collecting, orbiting — whether it resolves into requited intensity or curdles into something dangerous. Tagged clearly so readers can choose how dark they want the spiral to go.
The doomed symmetry of the chosen one and his dark mirror; possession, obsession, and the question of whether Harry could have saved him. Obsession dramatizes the terrifying edge of wanting, and readers are drawn to fiction that admits desire is not always tidy or safe. That's why obsession Tomarry fanfiction is one of the most consistently popular combinations on AO3.
More Tomarry Tropes
Tomarry · Enemies to Lovers
Characters who start as adversaries and gradually develop romantic feelings for each other.
Read enemies-to-lovers →
Tomarry · Time Travel
Characters travel through time, either to change events, escape danger, or by accident. Romance may span different time periods or involve changing the past.
Read time-travel →
Tomarry · Dark Fic
An umbrella label for stories that deliberately explore disturbing territory — moral corruption, violence, unhealthy relationships, or grim endings — without softening the edges. Dark fic is clearly tagged on AO3 so readers can opt in with full knowledge of what they are getting.
Read dark →
Obsession in Other Ships
Love obsession? Explore the same trope in other popular pairings:
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