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one hell of a work !
• collection of black butler one shots, headcanons, drabbles and everything that goes through my mind
• all characters
• a lot of sebastian -
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When she was nine, Cassandra's mother and father were viciously murdered by an unknown assailant. The Undertaker, a close friend to her parents, found and rescued her from the streets just after her parents' deaths and had taken her in. Now 19, Cassandra's life has turned upside down discovering more secrets about her past that was kept from her.
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Black Butler Head-canons SFW + NSFW (Adult characters only) by sugarcoatedroses
Fandoms: Kuroshitsuji | Black Butler
14 Jan 2026
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All works in progress! My Black Butler relationship head-canons. These are relatively short, but my goal was to try to give almost every adult character some representation here.
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Included: Agni, Baldroy, Claude, Drossel, Grell, Hanna, John Brown, Joker, Sebastian, Undertaker, Ronald Knox, Beast, Wolfram, William
To be added: Vincent, Diedrich, Arthur, Angela/Ash, Clayton, Lawrence, Redmond, Greenhill, Master Agares, Mey-Rin, Violet, Abberline, Grete, Hilde
Excluding: Tanaka, Baron Kelvin, Pluto, Viscount Druitt -
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Black and white, red and blue, are morals, and the line between good and bad is as easy as deciphering colours?
Fate supposes the lines are simply not blurred enough; such a cruel mistress she is,And fate thinks that you, my lovely lady, are wasting away here. Let her drag you down the rabbit hole, for a much, much more suitable era for your abilities...
“Even if she be not harmed, her heart may fail her in so much and so many horrors;
and hereafter she may suffer—both in waking, from her nerves, and in sleep, from her dreams.”
— DraculaSeries
- Part 1 of [Name] in the Victorian Era
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This Otome Is Ridiculous (Black Butler x Reader) by Zodiac_Heaven
Fandoms: Kuroshitsuji | Black Butler
01 Jan 2026
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I wanted to be the first person to beat the Black Butler Otome, that is, to capture all love interests and play the hell mode. What I didn't expect was that the hell mode would require me to go into the game world and beat it!
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You always thought you were human—until the ocean revealed your true nature. You're not just a mermaid, but something far more inhuman. Thrust into a dark, familiar universe, all you want is to escape. But a relentless demon has other plans, pursuing you with a dangerous obsession.
As you struggle to break free from this world, your inhumanity deepens, and you realize that escaping may come at a terrifying cost.
A dark romance with intense themes. Trigger warnings provided in each chapter.
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A drop of color in a monotone world by imNOTaHORSEokay
Fandoms: Kuroshitsuji | Black Butler
25 Dec 2025
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Your life has been planned from the moment you were born. Raised by a conservative family to be the perfect, obedient wife; silent, submissive, and sheltered from the world, you exist in shades of grey. Until one night, you see a woman on a rooftop. Draped in red and alive in ways you've never been allowed to be.
And suddenly, the colorless life you've been trained to accept is no longer enough.
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X Reader Collection---> Multifandom by HopelesslyAwkwardIdiot
Fandoms: Marvel Cinematic Universe, Marvel, The Avengers (Marvel Movies), Ouran High School Host Club - All Media Types, Kuroko no Basuke | Kuroko's Basketball, Kuroshitsuji | Black Butler, Sherlock (TV), Sherlock Holmes & Related Fandoms, Bleach (Anime & Manga)
12 Dec 2025
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X Reader Multi Fandom Collection.
OPEN TO REQUESTS!KnB
Black Butler
OHSHC
Bleach
MCU
Sherlock Holmes -
Various Black Butler Headcanons, One Shots, and Scenarios (Reader Insert) by Sunflowerrosewood
Fandoms: Kuroshitsuji | Black Butler
01 Nov 2025
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Various Black Butler headcanons, one shots, scenarios, and more that I have written over on Tumblr. I am NOT taking any requests due to my limited writing with work. But I am sharing these among sites.
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The Room Feels Haunted ( Smut Oneshots ) by phoenixwritten
Fandoms: Durarara!!, Dead by Daylight (Video Game), 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia (Anime & Manga), It's Always Sunny in Philadelphia, Lethal Company (Video Game), 伊藤潤二『コレクション』 | Ito Junji Collection (Anime), Ao no Exorcist | Blue Exorcist, RWBY, Death Note (Anime & Manga), Biohazard | Resident Evil (Gameverse), Bleach (Anime & Manga), K (Anime), Scream (Movies), Kuroshitsuji | Black Butler, IT - Stephen King, Deadpool - All Media Types, 恋与深空 | Love and Deepspace (Video Game), Five Nights at Freddy's (Movie 2023), Criminal Minds (US TV), Vampire Knight (Anime & Manga)
07 Oct 2025
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A collection of reader-insert smut oneshots featuring various canon characters, and an OC or two at a friend's request.
!! CHAPTER ONE IS AUTHOR'S NOTES !!
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you wake up next to your wife grelle sutcliff and bask in the love the two of you share
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Grell Slutcliff, a trans woman in Victorian England, is working as your own personal butler. You, being an royal, high status and an unwed lady, have a statur and reputation to keep up.
But, working with a butler seems quite the intimate challenge... You two having secretly longed for eachother ever since you first met eyes, finally get a intimate moment. But... how could you keep this up without ruining your reputation? -
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Just (Mostly wlw) oneshots with Grelle, because I feel there aren't enough.
WIP, I'm currently taking requests!!
(I haven't written on Ao3 before, so please excuse any mistakes.)
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An alphabetised collection of smutty headcanons for the character Grelle Sutcliffe from the anime/manga Kuroshitsuji/Black Butler.
A rewrite of something I posted way back in 2021 on my Tumblr.
Series
- Part 6 of Black Butler NSFW Alphabets
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Little Book of Oneshots by 0Pawprint0
Fandoms: Gravity Falls, South Park, Vocaloid, Black Butler, Twisted Wonderland - Fandom, Disney - Fandom, Pandora Hearts, Free!, Invader Zim
27 Jul 2025
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This is a multifandom oneshots book, so expect a lot of different characters from all different sorts of fandoms. The first chapter goes a little more in depth of what I can do. I hope you enjoy!
I enjoy writing for multiple fandoms, so instead of making a separate work for each one, I’m putting them all together ^^
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You preferred the silence of the dead until Grell burst in, all crimson and chaos. One compliment, one lingering look, and now Death won’t stop calling you darling.
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Come along on a trip with Zekiel Samael Phantomhive as he tries to overcome the loss of his family by trying to deflect.
*I don't own Black Butler; it rightfully belongs to Yana.*
*I own Zekiel and Nabu (my OCs).
- Language:
- English
- Words:
- 1,548
- Chapters:
- 1/1
- Hits:
- 45
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It’s been a while since (Y/n) came into the world of Black Butler, there are discoveries to be had. And surely more sights to see..! What will await you on this side of the screen? (Don't take this fic too seriously, I was just having fun)
{Book 2 of That Butler; Isekaid}
(Discontinued..)
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- Part 2 of That ____, Isekaid
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When a brilliant neurosurgeon from 2025 finds herself mysteriously isekaied into the dark and twisted world of Black Butler, she’s faced with a choice: watch history unfold as it should or rewrite fate itself. But meddling with the timeline has consequences. As fractured realities and supernatural books threaten to unravel everything, she must navigate dangerous secrets, forbidden bonds, and the complicated affections of a certain flamboyant Grim Reaper named Grell.
Can she protect those she cares about without losing herself or her chance to return home? And when the lines between worlds and hearts blur, will she dare to embrace a love that’s anything but ordinary?
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A mysterious woman enters the Phantomhive mansion, she has long black hair and wears a suit like a regular butler. Who is this woman? And what does she want?