1 - 20 of 38 Works in Serial Killer Reader-Insert
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Trial of the Flesh by AspiringFanficWriter
Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime), 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga), Dead by Daylight (Video Game)
30 Sep 2025
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Summary
Sekido remembers the day the fog had claimed him into the Entities realm, putting him into a hell he could have never imagined he'd ever experience.
Hunted and killed. Over. And over. And over.
He thought it couldn't get worse. That is, until you were the killer he was paired with. As the last survivor standing—he has little hope of escape.
You're kind enough to grant a sliver of mercy.
(Kny x dbd crossover. Just for fun)
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The Psychology of Love and Serial Killers by thewitchandtheassassin
Fandoms: Marvel Cinematic Universe, The Avengers (Marvel Movies), Marvel
24 Sep 2025
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Summary
When psychologist, Dr. Wanda Maximoff, is handed a case involving a prolific serial killer and an unknown number of victims, she takes it as a challenge... but is the good doctor in over her head when she realizes they might not be so different after all?
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You are a serial killer that has run from the police from their last town. You have come to Cottonwood to start new and to find new victims for limbs, albeit you run into two brothers that are not all that different from you.
- Language:
- English
- Words:
- 1,766
- Chapters:
- 1/?
- Kudos:
- 12
- Hits:
- 109
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JUMPSTART by anotherthatswhatshesaid
Fandoms: Marvel Cinematic Universe, Marvel, The Avengers (Marvel Movies)
12 Sep 2025
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Summary
Who’s more powerful? The Scarlett Witch or a demonic serial killer?
Mechanic AU
Wanda on the run. Her car breaks down leaving her stranded in a small town. Reader is the local mechanic and comes to try and jumpstart the car, but there’s more to it than they thought. Especially when Wanda learns that the oh so lovely mechanic is actually a killer in disguise.- Language:
- English
- Words:
- 2,583
- Chapters:
- 1/?
- Kudos:
- 9
- Hits:
- 68
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Sure, during the night you may be the infamous serial killer known as The Iron Lung, but during the day you're a struggling 21 year old, unemployed and barely paying rent.
So after a short series of coincidences and possibly other reasons, Alastor offers you a job working with him as a part-time radio host.
You don't know about the rotting bodies in his fridge, and he doesn't know about your nightly...activities.
What could possibly happen?
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You come across a familiar face on your lunch break one day, who happens to be the detective responsible for solving the mystery behind the murders you're committing. Mark Hoffman, not having such a clean slate himself, finds that, to his surprise, he's growing more fond of you than he thought he could be. Enemies formed on the basis of a misunderstanding and a touch of blackmail quickly spiral into a budding romance, and blooms into a full on relationship.
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Most people take up embroidery or underwater basket weaving as hobbies. You stumbled into killing as a way to blow off steam. You pick your victims well- and the guy screaming at one of the circus performers feels gift wrapped to you on a platter.
But when an interruption happens in your smooth execution, you find a new interruption in your routine.
Series
- Part 1 of The Freak Circus
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The Famished Doctor and Their Devoted Ghost by Cinnamoon_roll
Fandoms: Dead by Daylight (Video Game), Scream (Movies)
08 Jul 2025
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Summary
Ah, Florida, a wonderful place, where the news can be the craziest you've ever seen and the weather can be terrible but still nicer than anywhere else.
It's even more wonderful because of how stupid its inhabitants can be, doors and windows unlocked at night, your personal information free on your social networks. Plus, the unique advantage of working at the local clinic made it easier to find potential victims.
So far everything was working out great, with her secret identity she had created the perfect alibi, she was building perfect relationships, her work was going great, everyone loved her.
But always expect the unexpected.
She never imagined that one of her murders would reach the press
TL;DR: Danny takes on a new murder case for the Roseville Gazette that people presume is his, but he's never taken the organs of his victims. His curiosity gnaws at him, he needs to know who is this new homicidal partner he shares the town with, and who is this new girl that's making him doubt about his future plans.
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Mirah Kala Itu dan Jas Dawala Miliknya by rnmrta
Fandoms: 極楽街三番通の件 | Gokurakugai (Manga)
05 Jun 2025
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Summary
Pernahkah kamu mendamba ‘tuk merengkuh serta sebaliknya?
Apa yang diharap kamu rasakan?
Kehangatan? Perasaan akan dicintai tanpa syarat serta ketentuan? Ikatan antar sepasang insan yang saling mencinta? Bagaimana bila ribuan raga rela merengkuh, tetapi hanya kehampaan yang dirasa memberi pelukannya padamu?Mungkin esensi dari pejantan memang dicipta tanpa kehangatan, sebab mirah mereka bahkan sedingin nirempati nan apatis.
Kemelekatan ialah akar dari kusuma mala. Tapi, kamu tetap mendambanya bak klimaks.
- Language:
- Bahasa Indonesia
- Words:
- 515
- Chapters:
- 1/1
- Kudos:
- 4
- Hits:
- 63
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Double Life (Discontinued until further notice) by GreenBean47
Fandoms: Five Nights at Freddy's
18 Apr 2025
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Summary
You decide to go to the newly opened Freddy Fazbear's Pizza with your brother, Matthew and niece, Sophia. A strange yellow rabbit suddenly appears and leads Sophia somewhere, causing you to find out a dark secret of one particular man. A dark secret that you're no stranger to.
Set in modern time and I will not put TW's so please read with caution and mind the tags!
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What Shines Through the Rage by INSENSITIVITY
Fandoms: Death Note (Anime & Manga), Death Note: Another Note
02 Apr 2025
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First homicide, an accident. Second, not so much.
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Serial Killer Nanny by waywardmutt
Fandoms: Black Christmas (1974), Friday the 13th Series (Movies), Halloween (Movies 1978-2002), House of Wax (2005), The Texas Chainsaw Massacre (Movies), Scream (Movies), Hannibal (TV)
16 Mar 2025
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You're a serial killer who ends up getting caught, upon your capture you're met with the threat of death but fortunately you're also met with the offer of a lifetime! You get to stay alive at the price of being a sort of therapist for slashers.. Horror ensues!
Or,
You're a serial killer who babysits serial killers.
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Summary - When Wanda wakes up in a dark room, tied to a chair, with no memory of how she ended up in this situation. What happens when someone from her past turns out to be the one who has been keeping her for their own.
Warnings - Description of torture, death, blood and gore. Short discussion of DID. Use of blindfolds, ropes, guns, knives used for torture. Broken bones and other injuries. Scared and hurt Wanda. Dark Reader, serial killer reader. Lots of angst/hurt/gore. Talks of Stockholm syndrome. Eventual fluff. Eventual smut.
Other warnings and tags may be added as I write and upload chapters.
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There's a new forensic analyst at the Miami-Metro PD. They catch the eye of a specific blood splatter analyst and he catches theirs.
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Mr. Gap decided to mess with you sexually
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In a desperate attempt to regain the control slipping through your fingertips, you teach Mr.Scarletella about the wonders of human intimacy.
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”What are you gonna do? Spank me?”
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When Mr. Hood is around, your feet are not allowed to touch the ground. Your heavily spoiled by him and he never tell you no, even when you’re being an unreasonable brat. However, even with his high level of self control, Mr. Hood has limits and the consequences of testing them may result you with a sore bottom.Or; You get top tier princess treatment with Mr. Hood. You’re being a brat so he punishes you by spanking.
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“….You…hurt?…Blood…”
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Mr. Crawling can smell the blood on you. But it wasn’t coming from your stained hands or the droplets from your clothing. It was seeping, fresh and he was worried, he didn’t understand where it was coming from. Thinking you're injured, Mr. Crawling investigates the source of the blood. He licks his wounds when he’s bleeding so he figures he’ll do the same to you.Or; You’re on your menstrual cycle and Mr. Crawling doesn’t know what it was, mistaking you being injured.
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You are expendable. You get that spiel just like everyone else does. You've killed people, sure, like just about every other prisoner down here, but not a lot of them can say they did it for someone else. Not a lot of them can say they helped put criminals away, either, and you doubt they'll give you an easy time for it.
One case in particular brought you down here, though; and you'll put yourself through the hell of Hadal Blacksite again and again if it means you might find him. -
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Some time has passed since you returned to the other world. You're growing bored, so one day you decide to mess around with Mr. Gap and his obsession with asking for your heart. This results in him wanting you to teach him about human love.