Top 19 Mature Obsession Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with obsession and rated Mature.
What He Grows To Be
by Severus_divides_into_H
Tom Riddle is a frightening coil of darkness, cruelty, and greatness, and changing him is Harry’s only hope for saving people he loves. Going back in time, he takes Tom from the orphanage, but his optimism shatters with every year they spend together.Tom still longs for darkness. Tom stifles him in
Soulmates (or Shane and Ilya winning the Love Game)
by Justaromanticfool
He knew it stung Ilya, people not understanding. It stung him too. Because to Shane, loving Ilya was like breathing and also like standing on solid ground after years of drifting. It flooded him and steadied him at the same time. It hurt, knowing the world reduced them to a rivalry, a strange story,
Delivery Girl (DISCONTINUED)
by NeonDemise (RedVelvetDemise)
You just want to make your final delivery to the ghost town and then go home. You're literally just trying to do your job. So why are you being attacked by this ninja? Why is the ninja kind of cute? And why does he want to take you?
One, two, three
by Severus_divides_into_H
Will imagined his death in numerous ways, numerous times. Being chosen as a tribute opened a road of new possibilities, some more horrifying than the others. He doesn’t want to be torn to pieces like Randall Tier’s prey. He doesn’t want to be burned like Francis Dolarhyde prefers to kill. But most o
Dread and Hunger
by LiaS0
AU in which Will receives a secret admirer with a penchant for writing him poetry and slaughtering the innocent in artistic fashions. No one ever told him that courtship was so bloody or appealing -rather, so bloody appealing? He's a part-time bartender that can't catch a break, but at least he has
Night Shift
by PossessiveNoun
There are certain rules to follow when working for Baltimore State Hospital for the Criminally Insane. Under no circumstances are you to engage any of the inmates in personal conversation, put yourself in a position where they can cause you serious injury, or let them get inside your head.Despite Wi
What In Me Is Dark, Illumine
by telelli
“Abashed the Devil stood, and felt how awful goodness is, and saw virtue in her shape how lovely: saw, and pined his loss."-John Milton, 'Paradise Lost' In September of 1942, Tom Riddle is a brilliant, bitter schoolboy on the precipice of becoming a monster. Already wearing his first Horcrux around
All That We Become
by 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
Foe Yay
by ILoveTeamFortressToo
Rumour has it that one of the RED team’s new members is going to be an Australian. The BLU Spy really isn't looking forward to having to try and murder someone like Saxton Hale every day. However, when the new man arrives, he’s not what the Spy’s expecting. Not at all. He’s going to be far more fun
St.Jude Academy of Diplomacy
by Akizamatsu
"Don't look away, Takemitchy. If you want to teach us about 'virtue,' you should at least have the courage to watch while we ruin yours." ︵‿୨୧‿︵Justice is a suicide mission. Takemichi Hanagaki infiltrates St. Jude’s Academy to avenge a sister the world has already forgotten. But at St. Jude’s, the w
Liquid Fire
by Muffdiver
To some cats, the realization of their love hits them like unsheathed claws. It washes them like a tidal wave, consuming them completely until they can do nothing but drown in it. But to Ferncloud, her feelings for Leafpool felt right, expected. As if she knew they would appear at some point in time
Eternal Watcher
by berrynani
Ghost Shin and his lover Saint
Loving you is Cherry Pie
by PrettyPinkPrincess
Everything is different, Genos' family doesn't die in the hands of the Mad Cyborg and Saitama is already a well established hero. In Genos' heart a poison starts, it twists and fills him up completely, feelings he'd never had before, wants he was inexperienced to, something that starts good and turn
Pictures
by Philosopherscribe
Joker loved his Batsy. He loved him so much he couldn’t stand it.
One way or another - I'm gonna get you
by FlammenHashira
Immer wieder erhält Kyojuro Blumen von einem Unbekannten an seiner Tür. Was als charmante Geste gewertet werden könnte, wird jedoch schnell zu eine Art Albtraum, der irgendwie mit einem vergangenen Leben verknüpft zu sein scheint ...
Plush Starscream
by HectorBomb
Megatron wants his Plush Starscream. Starscream goes to find it.
Flashpoint
by pizdjosz
After discovering Obito’s novels by chance, Deidara becomes obsessed with their author, developing a parasocial relationship that quickly spirals out of control. Soon, being a reader is no longer enough. He begins to interfere in Obito’s life, determined to become a part of the story himself.
Hold Me, Kiss Me
by asapyessir
After flying the 118 to the sinking cruise ship, Tommy can’t stop thinking about Buck and he becomes increasingly jealous of Buck and Eddie’s not so casual friendship. What happens when he buys the One Wish Willow?
Perfectly twisted
by Hoshi1511
To the criminal underworld, "Gloss" is a ghost-a faceless, nameless assassin who has never failed a contract. But when Gloss is hired to eliminate the ruthless mafia kingpin Kim Taehyung, one look through his sniper scope sparks a dark, consuming obsession. Forgoing the hit, Yoongi hides his identit
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About This List
This list of 19mature Obsession fanfics spans 1,164,933 total words. Kudos range from 2 on the newest entries to 26,640 on the most established. 58% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (19 of 19 fics).
Recurring tags across this list: Obsession · Stalking · Yandere · Possessive Behavior · Romance.
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