1 - 20 of 31 Works in Yandere Sebastian Michaelis
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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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Janeice was always known for her uncanny ability to never make a sound. You never heard the clinking of her hair beads, or the clacking of her heels, or even the light sound of her breathing. In all ways, except physical, she was a phantom. Silent, invisible, see through, completely and utterly noiseless.
Series
- Part 1 of Janeice’s Multiverse Theory
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Part 2 of "In the Arms of the Devil"
Series
- Part 1 of In the Arms of the Devil
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After Ciel is kidnapped and imprisoned by Sebastian, he invites him into his crazy games.
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As she slowly realizes she is in a lucid dream, Sebastian offers her everything she's ever longed for: safety, love, and freedom from the cruel world she knows.
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Trapped in a remote forest cabin by a demon butler, you make a desperate escape—only to face the brutal consequences of disobedience.
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One hundred and thirty-five years after fulfilling his contract with Ciel Phantomhive, Sebastian Michaelis has finally found her; the one human who truly loved him. Yet the reincarnation of Mey-Rin doesn't remember her past life, and Sebastian's rather archaic and overbearing attempts at wooing her aren't quite going according to plan...
Based on Imawriteritswhatido's suggestion I write a BB fic using quotes from Bram Stoker's Dracula.
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Yandere Butler: Various Yandere Black Butler Headcanons/Scenarios by TheYandereSpecialistEPICNESSQUEEN
Fandoms: Kuroshitsuji | Black Butler
07 May 2025
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There are Demons, Reapers, Angels, Witches, Werewolves, along with Humans and so much more! They all seem to be yandere for you, and they want to have you, doing anything to have you, the Yanderes of Black Butler~
(All characters like Ciel Phantomhive and Elizabeth Mildfor are up to at least 18 years old! I will explain why in the reasons! But no minor unless they are aged-up!)
(Non-Con and Dub-Con are there because yanderes and demons are sussy about consent! If there are any forced sex scenes, I will try and have warnings for them.)
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Their Performer: Various Yandere Adult Black Butler X Performer OC by TheYandereSpecialistEPICNESSQUEEN
Fandoms: Kuroshitsuji | Black Butler
07 May 2025
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(Marie) was the Bending Beauty~ A Performer at the Noah's Arc Circus. She was unaware of them kidnapping children... She is forced to see the truth when the young man Ciel comes into her world with his one hell of a Butler. She is forced to face the Obsessive Love the other performers had for her, and pulled into a world where even more humans, demons, and more fall into obsessive love with her.
(Characters like Ciel Phantomhive and Elizabeth Phantomhive are All Aged up to at least 18 years old! Mare and all Yanderes are 18 Years or Older.)
(Non-Con and Dub-Con are there because Demons and Yandere are Sussy about Consent, will try to have warnings if Forced Scenes happen!)
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Their Mistress: Various Yandere Black Butler X Adult Female OC Ciel (Remake) by TheYandereSpecialistEPICNESSQUEEN
Fandoms: Kuroshitsuji | Black Butler
07 May 2025
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(Yes, this is Another Remake, as with each new season we get More LORE and it changes how we write certain characters lol. Please Hold On!)
Marie had lost her brother, her parents, her sense of safety, her home, and she would have lost her life. If she did not summon a demon, and give her soul to him. This Demon became obsessed with her, and he would no be eating her soul but having her as his mate~ Of course, he had many rivals, as humans, grim reapers, and many others fell in obsessive love with Marie Phantomhive, The First Female Earl!
It did not matter, though, because she belonged to him. He will kill to have his Mistress.
(All Characters are aged up to 18 at least, if not older. In Chapter One, Marie has just recently turned 18. Marie is an adult, and so are all the other yanderes.)
(Non-Con and Dub-Con are there because of Demons and Yanderes being Sussy about Consent, will try and have chapter warnings for Full on forced sex scenes)
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A shy, gentle human woman catches the eye of a demon butler, Sebastian Michaelis, whose obsession slowly unravels her life, her love, and her sanity—until all that remains is his twisted devotion.
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At an Omega Auction, the Alpha and aristocrat Sebastian Michaelis makes a very disturbing discovery.
There is a boy offered at this auction who looks exactly like one of his former master's.
The Master, to be honest, who made him want to never form any contract with another human being ever again.
The Master Sebastian would never be able to forget, for multiple reasons.
His friend, the Undertaker, makes the suggestion that Sebastian should buy him, since he knew that Sebastian had still many troubled feelings about Ciel.
And so, Sebastian makes a decision that would change many lives.Series
- Part 8 of SebaCiel fics
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You are one of Ciel's distant relatives, who has lost your own parents, and are coming to live at Phantomhive Manor for a time. Always sheltered, it is a lot to handle, Ciel's serious nature, the haunted manor, the amusing servants... and him.
Sebastian Michaelis.
Strangely drawn to him the moment he helps you out of the carriage, you find yourself falling deeper into your desires, ones that make you blush, that confuse you, as this bulter pulls them from your mind. It's as if he can tell how bad you are wanting...
Finished
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Lady Phantomhive: Various Yandere Black Butler X Female Adult Ciel Reader by TheYandereSpecialistEPICNESSQUEEN
Fandoms: Kuroshitsuji | Black Butler
22 Jul 2024
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(Name) Phantomhive is a powerful woman. And She has many suitors thing is she is not interested in that. All She wants is to find who destroyed her family and end them. Even at the price of her soul. Everyone else wants her to the point of Obsession.
(Reader Is A Adult ALL Yandere Are Adults) (Aged UP) (Grell Is A Trans Woman!)
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Some crazy Yandere Sebastian who's in love with you and will do ANYTHING for you
Genderneutral reader
This story has nothing to do with the anime and the way he behaves isn't the same (I mean he originally isn't a crazy yandere sooo yk)
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The day Ciel gets married is the worst day of Sebastian's life.
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Sebastian strikes me as a very strict daddy dom; you will learn your rules and manners and you will follow them. On the upside, your rules aren’t too hard! On the downside, Sebastian is absolutely into the dumbification and humiliation aspect of abdl!
NSFW warning: Forced abdl/diapers, noncon/dubcon, this is a lime because its focus was on the fetish more than penetrative sex, dumbification, spanking punishment, humiliation, force-feeding
Series
- Part 1 of Forced to be a little one (ABDL)
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AU: Modern, Sebastian is Ciel's imaginary friend
When everyone else has let you down, there's always a teddy bear.
Ciel and his extended family move into an old villa across town which they do not know is haunted by a demon. Said demon becomes enamored with Ciel, who is afflicted with Peter Pan syndrome, instantly and possesses the boy's favorite stuffed animal to get closer to him.
Peter Pan Syndrome describes one's inability to believe they are of an older age and/or to engage in behaviour usually associated with adulthood.
-WikipediaWendy Syndrome describes someone who makes every decision and takes on the responsibilities of their partner, thus justifying their childishness.
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If The Shoe Fits by MidnightNinja27 for Dawnlightsilhouette
Fandoms: Kuroshitsuji | Black Butler
07 Jul 2021
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AU: Cinderella if she joined her stepfamily in their cruelty.
Together we will work hard to be lovely young ladies.
After the death of his stepfather, Ciel’s stepmother, Angela, remarries to a mysterious Duke called Sebastian Michaelis. His new stepfather is kind but rather distant and his new stepsisters, Elizabeth and Alois and Sieglinde, are mean. But the longer his new stepfamily is around him, the more he seems to loose himself.
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The Wendigo’s Boy by MidnightNinja27 for Dawnlightsilhouette
Fandoms: Kuroshitsuji | Black Butler
05 Jul 2021
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AU: Ciel is a supernatural researcher.
Well fed devils behave better than famished saints.
Ciel has always believed in the paranormal, but when he turned eighteen he began to hunt it down. Yet to find any real evidence, he hears rumors of wendigo living in the forest and goes to investigate.