1 - 20 of 22 Works in Soft Ciel Phantomhive
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Summary
Sebastian tries to comfort Ciel after their mission at the Chamber's estate.
Father-son Sebastian and ciel
I am so tired of seeing weirdos ship these two and to cope I had to make a father-son relationship dynamic fic.
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Sebastian tilted his head, amused, but said nothing as Fred departed into the snow. The faint sound of the door shutting seemed to echo in the room long after he was gone.
Ciel sat still. The paper bag’s warmth radiated faintly against his fingertips when he reached for it. “…Sebastian,” he murmured after a long pause, “what would one do with these?”
“Why, eat them, my lord. They are quite popular among London’s common folk during winter.”
Ciel frowned faintly, as though that answer were too simple. “Hmph. I see.” He didn’t eat them. Hours passed. The candles guttered low, and the ink on his paperwork dried in uneven streaks. Sebastian cleared the desk, but Ciel stopped him with a quiet, “Leave it.”
『••✎••』
After a long investigation, Fred Abberline brings Ciel a small gift, a simple bag of warm roasted chestnuts from a street vendor. Ciel doesn’t know how to react to such a normal, heartfelt act of kindness… but keeps them, uneaten, on his desk until they go cold.
『••✎••』
Completed as of 12/20/25 - not edited
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#3 Size Difference by sinsoftheabyss (horrorsintheunknown)
Fandoms: Kuroshitsuji | Black Butler
07 Oct 2025
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Ciel pushed himself up from the bed, kneeling in front of Sebastian. He realized the cock was nearly the size of his own forearm.
Ciel swallowed nervously, “That won't fit.”
Grell had explained in advance how two men engaged in sexual intercourse. Ciel thought there wouldn't be a problem if he had an adult form but…
Sebastian grinned, eyes glinting dangerously as he cupped Ciel’s face with his hand. “Oh? I'm sure we could figure something out.”
Series
- Part 3 of Sebaciel Kinktober 2025
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It is one last bloody game played against Sebastian.
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Isekaied Into The Black Butler Universe- Sebastian x Reader x Ciel by RadioDemonSimp
Fandoms: Kuroshitsuji | Black Butler
22 Apr 2025
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Y/N is just a normal girl, getting through life in 2025. She often kept to herself, finding comfort in staying home and watching anime, specifically "Black Butler." The anime always made her laugh and provided her comfort, often wishing she would meet the characters in real life.
Little did she know, she would wind up in the Black Butler Universe, and begin to form a special relationship with Ciel Phantomhive and Sebastian Michaelis
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Despite his post-campania injuries, what makes Sebastian restless is Ciel's well-being. He can't help but worry about his precious soul, so he decides to go check on his Master to make sure everything is okay.
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During a mission, Sebastian gets doused with an unknown substance. He develops strange effects. His master helps him out.
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Its been a 3 years since ciel became a demon and stock with his most forced loyal butler sebastian so what will happen when he get the opportunity to know more about his beloved servant in the form of an Invitation to a party ?
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It's the Happiest Season of All by AutisticallyYours
Fandoms: Kuroshitsuji | Black Butler
01 Dec 2023
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A collection of Christmas-themed stories/drabbles featuring the couple of Ciel Phatomhive and Alois Trancy! Some fics will take place in modern-day England, while others take place in the Victorian era.
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Ciel caressed his lover’s face as if he was a wounded puppy seeking comfort on his master. Ciel smiled again, Sebastian shifted and was now resting his forehead on top of Ciel’s. “You have no idea of just how scared I was” he whispered, grasping softly at his wrist, a reminder, Ciel thought.
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Sebastian and Ciel's relationship has evolved a lot over the years, with Ciel growing older and gaining more experience leaving him as more of an equal to Sebastian.
Or: a window into post-canon bliss.
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The day Ciel gets married is the worst day of Sebastian's life.
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Ciel wakes up at night to find a surprising figure in his bed.
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Sebastian can't do it.
He can't.
He can't bring himself to kill his master.
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Why did this feel so natural,
shehe wondered.The fabric of the dress swirled around his legs as he walked.
Why didn't he want to take it off?
Series
- Part 1 of Skye - A New Life
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A 5+1 of Ciel (and once, Elizabeth) encountering Sebastian in wolf form.
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Some confessions don't happen as easily as others.
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Well, That's One Way To Confess by Maddie_The_Hatter
Fandoms: Kuroshitsuji | Black Butler
06 Mar 2022
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Ciel decides fuck it and randomly kisses Sebastian, leading to a spiral of little moments and big emotions. Things work out for the better.
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What are Ciel and Sebastian doing while the others are dismantling R!C's network?
Maybe, just maybe, it's this.
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A brief glimpse into how, perhaps, Ciel and Sebastian end up together.