1 - 20 of 34 Works in Sub Ciel Phantomhive
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A standalone AU retelling of The Only Exception, but this time Ciel is a girl. With key plot and character changes, this version explores a different emotional dynamic and path to love. No need to read the original, but those who do will notice how the story shifts and how she changes everything.
Book 1: 14/14
Book II: 9/9
Book III: 6/6
Epilogue: 1/1
Post epilogue chapter: 1/1
Book IIII: 33/33
Outtakes: 6/8The main story is complete, and just outtakes are needed!
Series
- Part 2 of His Exception
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Summary
Ciel seemed to be leaking..
Series
- Part 13 of Black Butler
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#7 Recording/Image Taking by sinsoftheabyss (horrorsintheunknown)
Fandoms: Kuroshitsuji | Black Butler
19 Oct 2025
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Summary
> Brat <3 sent an image
Sebastian immediately opened the notification, his attention shifted entirely away from the presentation. His mouth nearly fell out of his jaw as he laid his eyes on the photo.
It was a front facing shot of Ciel kneeling on the bed in the tightest black latex he had ever seen. He was wearing a crop top that stretched across his chest in a way that left absolutely nothing to the imagination, stopping just under his sternum and leaving ample room to show off his waist. Below the shirt were low cropped shorts which cut across his hip bones, stopping about halfway down his thighs.
Series
- Part 7 of Sebaciel Kinktober 2025
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Summary
Ciel gets a gift from Soma. It was lotion, used to heal his scars. Ciel wants to give it a test run.
Series
- Part 10 of Black Butler
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#3 Size Difference by sinsoftheabyss (horrorsintheunknown)
Fandoms: Kuroshitsuji | Black Butler
07 Oct 2025
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Summary
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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Summary
Sebastian quickly gave Ciel’s body a once-over as he inspected for any spots with overly restricted circulation or muscles at risk of being pulled. After ensuring both ropes were tightened properly, Sebastian slowly let go of Ciel’s body. His fingers lingered against Ciel’s skin as he was reluctant to draw away entirely.
“Comfortable?” Sebastian asked.
Ciel gave an approving hum，slightly shifting against his ropes. His body subtly swung to and fro in mid-air, back arched from Ciel’s attempt to maintain eye contact with Sebastian.
Sebastian sighed in relief, his hand traced the tip of his chin as he pressed a soft kiss to Ciel’s temple, “You’re doing so well for me, my lord. So pretty like this, hanging like a slab of meat to be butchered.”
Series
- Part 2 of Sebaciel Kinktober 2025
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#1 Drugging by sinsoftheabyss (horrorsintheunknown)
Fandoms: Kuroshitsuji | Black Butler
01 Oct 2025
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Summary
His bones started to weigh him down, limbs slackening as he swayed in his seat—backwards, and then forwards as he flattened his palms against his desk for support. When he couldn’t keep his head up any longer, he felt a familiar gloved hand catch his chin as his vision rapidly blurred out.
Just before his consciousness faded, he heard Sebastian's velvety voice ring from above him.“Don't worry, my lord,” he could envision the way Sebastian licked his lips in anticipation. “I'll make sure to take good care of you.”
Series
- Part 1 of Sebaciel Kinktober 2025
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Summary
Ciel knew he’d be in trouble for it. Skipping a dance lesson and standing the instructor up was bound to get some rise out of Sebastian, but he also figured there wasn’t a way for Sebastian to punish him for it without interfering with his work.
He was wrong.
“Since you skipped a dance lesson and won’t be having one for over a week, it seems fitting to direct what could have been to your hands or hide to the bottoms of your feet, doesn’t it?”
Whatever Ciel was expecting, it wasn’t that.
“Some teachers don’t physically punish their students at all. Perhaps you should be nicer to me.”
“Those teachers do not have to deal with /you/,” retorted Sebastian.
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It's sebaciel foot spanking/whipping/bastinado time, new kinks ahoy for Ciel.
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After Ciel is kidnapped and imprisoned by Sebastian, he invites him into his crazy games.
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My name is Sebastian Michaelis. My family is part of a secret society that kidnaps people and breaks them down before selling them to their buyer. We’re a little different though. We keep a slave of our liking, my father’s done it, and his father before him and so forth. It’s a shame I haven’t found mine yet. I don’t want to get their hopes up, but I don’t think that’s ever going to happen.
Book I: Pretense 15/15
Book II: Artifice 10/10
Book III: Terminus 7/7
Epilogue 1/1
Ours: 1/1
Confession: 1/1
Book IV: Redemption 8/8
Outtakes: 15/15
Book V: Ascension 4/4There is a fem!Ciel version of this story that has a completely different dynamic and events, so if you would like to follow her, then go ahead and hop on over to "Worthy"! The main story is now complete, and there's just outtakes that still need to be posted!
Series
- Part 1 of His Exception
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¿Los demonios sienten amor? Es la pregunta más recurrente que corroe la mente y alma del demonio, un accidente le dará la respuesta.
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After catching Ciel masturbating soon after he turns 15, Sebastian just can't help himself.
Shameless Sebaciel smut. Mind the tags!
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The serial murders in Whitechapel weren’t for the faint of heart, that much was certain. It seemed that Scotland Yard, once again, was failing to produce results so Her Majesty requested that the Earl Phantomhive look into it. That was what he was doing now.
Series
- Part 3 of Trans o!Ciel Canon Divergent AU
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there's no chance i will shake this again by cielkissrr
Fandoms: Kuroshitsuji | Black Butler
29 Aug 2024
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Summary
Ciel missed the rush.
It was embarrassing to say, so he kept it to himself mostly. However, some small hiccups led to him begging Sebastian for something–anything–to make his mind feel that fuzz again did still happen. But after each time, he simply went to bed and refused to talk about it, going so far as to order the demon not to utter a word about it ever again.
OR; Ciel resorts to self harm and Sebastian is a blood-sucking freak
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i spend my days dreaming about you (cus you're so cool) by cielkissrr
Fandoms: Kuroshitsuji | Black Butler
14 Jul 2024
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Summary
Ciel scowled and shook his head again. "I don't want to, daddy."
Immediately when the name left his mouth, Ciel's eyes widened. He gasped and covered his mouth cutely. then he giggled childishly, saying it was a mistake. a simple mistake.
One that Sebastian would be thinking about for days if not weeks.
OR; Sebastian is a dirty freak and got hard at 6 year old Ciel calling him daddy
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the smell of sweat and sweetness in your room by cielkissrr
Fandoms: Kuroshitsuji | Black Butler
09 Jul 2024
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Summary
Sebastian's pupils blew wide at the movement and how the thrusts slowly but surely moved the dress shirt up his body and began to reveal the boy's underwear.
The demon was of course the one who dressed him every night, the one who slipped the frilly panties up the boy's legs and covered his midsection with no tension or dirtiness behind it. But it was completely different in this context, how could it not be?
OR; Sebastian blows Ciel while he's asleep and I use one too many descriptors
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“I wouldn’t worry about your cousin. I have no desire nor need for her. I already have the thing I want.” A pause as he looks Ciel straight in the eyes as he says this.
“I wanted you.”
Series
- Part 1 of The Butterfly’s Awakening
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La oscuridad, la maldad reinaba ese país, gracias al cruel y despiadado Rey demonio, Sebastian Michaelis.
No conocía la empatía, la felicidad, ni el amor. Asesinaba por gusto, sin ningún remordimiento.
Todos le temen y él disfruta el miedo de los demas.
Hasta que un día llega a su vida un pequeño gatito llamado Ciel.
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All who entered with greedy eyes that bore upon the ethereal vision were reportedly mutilated by an unseen force at his command; their dismembered corpses tossed into the, otherwise pristine, gardens to join the hundreds of other bones whom served a most gruesome warning to those who would foolishly follow. Nonetheless, soldiers and determined peasants alike still continued to enter the cursed palace for a shot at the man’s affection. Some even arrived thinking the thorned rose was an angel who judged the purity of hearts, hoping to be proven a saint by leaving alive.
None had succeeded thus far.
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Summary
Ciel breaches the dress code by wearing a skirt that is too short, it's up to Winter to punish her and ensure it doesn't happen again.