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kiyo-cant-write · 7 months ago

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ciel & sebastian w/ servant!reader around ciel's age ✧･ﾟ

Hello! My writing blog was always meant to be multifandom, but recently I have had many twst requests. To keep up with my personal interests, here is a Kuroshitsuji/Black Butler post about my childhood bias/crush (when I was 11-12): Ciel Phantomhive.

While this post is tagged Sebastian x Reader, their relationship is platonic in this particular work because of the reader's design.

Please note that while requests are open, they will not be posted until after the 27th of December or more accurately into the new year (January 2025). Feel free to request anything within the parameters of my rules, but keep this scheduling fact in mind! Thank you!

Summary: [Name] is a recent addition to the Phantomhive Staff, gathered by Sebastian and Ciel. They are around Ciel's age and this leads to some... shenanigans.

TW/CW: canon-typical darkness, manga compliant

Notes: pre-relationship (Ciel), explicitly platonic (Sebastian), the reader is human, the reader is 12-13 years old, they/them pronouns for the reader, take place explicitly pre-Campania

Guest Stars: Phantomhive Staff, Elizabeth Midford (mentioned)

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Ciel Phantomhive

Ciel is initially indifferent to [Name] similar to his feelings toward his other servants about half of the time (even Sebastian).

He doesn't see himself as a child so does it matter?

He honestly tries to avoid [Name] at first because he wants to be seen as an equal to the adults. Baldo commenting to "play" with his "friend" really doesn't help the early stages of the relationship.

Being persistent but not forceful will work well.

[Name] needs to prove their worth and use in the household.

[Name] will quickly prove themselves with "clean-up."

They will kill in the name of Earl Phantomhive.

Ciel notices their willingness to serve.

He admires their dedication to protecting him/the estate.

He is impressed if they do not hesitate to strike.

The more he realizes their use and loyalty, the more likely he is to speak to them or even allow [Name] to speak freely with him.

He doesn't like when Sebastian teases him for it, though.

Sebastian might be the biggest obstacle.

If Ciel feels that [Name] is being overbearing, they get sent to spend time with Finny (16) who is also relatively close in age to them. Though Finny is similar to a child brother at times.

Once they are closer, Ciel may become a bit irritable if [Name] gives Finny too much attention or coddling.

"He needs to act his own age."

Ciel cannot do anything about any possible feelings.

[Name] hesitates to do anything either.

They both understand the betrothal between Elizabeth and Ciel.

Finny had given them a suggestion that they weren't sure what to do with. Was it a good idea? No. Was it a curious one? Yes, indeed. They wanted to know what the master's response would be, but they feared it would only be anger for their disrespect. Still... tempting.

[Name] considered their options as they helped Finny in the garden.

"Do you really think that would be a good idea?" they asked him.

Finny nodded as he attempted to gently weed the garden. The last time Finny did this he ripped out some important plants and Sebastian had been ready to skin him. Since that happened, and after the events of last night's clean-up, maintenance was needed and Sebastian chose [Name] as "Finny Watch."

[Name] accepted it as it was.

"I think it would do the young master some good to have a friend his age who calls him by name! He doesn't have any friends..."

Finny seemed sad about it. [Name] wondered why Finny did not try to be a "friend" to their master, but Finny seemed to sense their curiosity. He shook his head.

"It can't be me, I'm older than the young master for one," he explained, "And the young master doesn't think of me like that."

"And he thinks of me as a friend?" [Name] chose to ask.

Finny nodded.

"I can tell he thinks differently of you!"

The gardener beamed at them and they didn't want to crush whatever whimsy and joy this was giving him. They sighed and gave in, knowing they wouldn't hear the end of it otherwise, especially after Finny told Baldo and Mey-Rin about it.

"I'll try and see," they agreed.

[SEVERAL HOURS LATER]

At the end of the day, Sebastian asked [Name] to report to the young master directly about their supervision of Finny and the state of the estate's gardens. [Name] walked into the room and bowed to their lord, nodding to Sebastian a moment after.

"Good evening," they spoke, not making eye contact with either.

"Good evening, [Name]," Ciel greeted, taking a sip of his tea as he watched them, "I trust you kept Finny under control?"

[Name] nodded.

"Yes, he took care of replanting and weeding. There were no, ah, plant deaths," they explained in as succinct a way as they could, "We talked as we worked and completed everything Sebastian told us to."

They had to ignore the soft stifled laugh that came from Sebastian when they fumbled for a phrase and chose "plant deaths."

"I see, very good then."

He seemed pleased. The master was in a good mood? Hm. This might be their chance so they took it without hesitation.

"Master, if I may speak freely for a moment?" they asked him

Ciel raised an eyebrow but he nodded slowly after a moment of contemplation.

"You may but whatever about?"

[Name] felt bad for confusing him but it was somewhat refreshing to hear the master speak without that underlying darkness in his tone.

"Finny suggested something to me. I would like to try something," [Name] explained, hoping this wouldn't ruin whatever relationship they did have with the master.

"Something. Very specific," was Ciel's comment, "Go ahead."

Ciel seemed certain [Name] wouldn't hurt him and even if they tried, Sebastian would handle them swiftly like he always did.

"Ah, thank you for your permission... Ciel."

There was a silence that fell over the room as neither child spoke. Ciel was frozen in place, Sebastian seemed to be holding back another laugh, and [Name] was unsure if Finny's theory was true.

A faint hue of pink dusted Ciel's cheeks as he averted his gaze.

"Was," he began, "Was that all you wanted?"

"Yes," [Name] admitted, "I'm sorry, sir."

Ciel was silent once again and [Name] worried they really had crossed a line, but then he spoke again, softer this time.

"It isn't as though I care what you call me when there aren't guests around," he said, waving the hand that wore his family's crest, "Do as you like with the estate's image in mind... I suppose."

[Name] couldn't disguise the smile that took over their features.

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Sebastian Michaelis

To be quite frank, Sebastian thinks children are brats.

He didn't want another child around but it cannot be helped because [Name] is useful for the estate's security.

Despite not liking them at first, Sebastian is always "nice."

He is never without a polite smile, it's a bit unnerving.

As [Name]'s work proves proficient, he eases up.

They make fewer mistakes than the others.

Because of this, they are not so annoying to him.

"Child, you would do best not to hinder my work. But if you would like to lend me your help, you may."

He refers to [Name] more often as "child" or "littlest one."

He means they are the youngest of the servants.

He often lets [Name] off easy with punishment, similar to how he never scolds Tanaka the way he does with Baldo, Mey-Rin, Snake, and Finny.

Sebastian likes to make fun of [Name] and Ciel's similar ages.

He allows [Name] to sit in for Ciel's lessons at times.

In the end, Sebastian might be fond of the human.

Still, he won't say that kind of thing. What use would kind words be from someone like him? He doesn't much care for anyone.

He is bound to his master until the end of their contract.

That is all. Right?

"What in the world are you doing?" Sebastian asked as he came up to them, essentially appearing from thin air.

The young servant jumped at the sudden voice in the silence of the cellar and whipped around to face him, dropping their cleaning rag on the floor in the motion. Noting it was Sebastian, they let out a relieved sigh and bent down to pick up the rag.

"Sebastian! You startled me!" they told him, brows furrowed, "Why do you like to sneak up on me like that?"

Sebastian chuckled softly, a slight smile playing on his lips.

"I don't mean to. Perhaps you are just easily scared, child?"

"I don't think so," they said softly before they moved to continue their task, "And, I'm not done with this task yet. Did you have something else for me to do?"

They couldn't believe they had more work to do now. That was always why Sebastian came to see them, to give them a task someone else had botched or enlist their help with something else entirely.

"I did," the butler told them, "I seem to require your help with a lesson for the young master."

[Name] paused.

"A lesson?" they asked him, giving a skeptical look though they tried their best to mask it, "Would I be expected to come with you now?"

They were unsure if he was telling the truth. Sebastian enjoyed messing with them, just a little. But it was enough to make [Name] wonder every time the butler told them much of anything. They wanted to go to the lesson, though. Learning was... fun.

Sebastian noticed the look, being a demon and all, but said nothing about it. Instead, he simply nodded and smiled at them as he always did to the guests the manor received.

"Indeed. I would need you to accompany me to the study."

They weighed their options. Sebastian was probably not lying.

"Alright," they agreed a moment later, "Do I need to finish this task first? You did give me a list of things to make certain of here."

Sebastian shook his head.

"No, that won't be necessary. I will take care of it."

They almost bowed to him but caught themself. It was hard to treat Sebastian as a butler when he held himself with as much pride as any man would. Still, the one time they had spoken too highly of him, the young master had gotten upset with them (and Sebastian too).

It had been an... ordeal.

"I see. Thank you, then," they told him curtly though they couldn't help but smile.

A lesson! How fun! They wanted to cheer but didn't.

Even if they were only cleaning the room to spectate, it was a chance to learn things. They would learn something and earl was learning! It seemed like a fairly good deal in [Name]'s opinion.

Too focused on rushing to put away their supplies and head toward Ciel's study, they did not see a softer expression adorn the butler's face as he watched them move past him.

Perhaps they would never know his true affection for his littlest one.

Imagine the rest yourself~

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Thank you for reading! Likes and reblogs are appreciated! Do NOT repost my writing/headcanons as your own >:c Check the top of my blog for the inbox status and read the rules before requesting. This is not a kuro-only blog! ^^

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