The Two-Ciel Theory Masterpost – Kuroshitsuji

last update 26/05/17
This theory talks about the fact that  the Ciel Phantomhive we all know about from the beginning of the serie is not the real Ciel.

WARNING: Contains spoilers from both the manga and the anime.

 I’ll start from this:


This picture comes from the artbook, from the section of the “Family Photos”. It’s clear that the missing part has to be someone with the same height as young-Ciel, and as such: another child, maybe a friend, but why would it be in the Family Photos section if he wasn’t part of the family, aka yours truly Ciel’s twin?
Now I’ll post all the proof, some more realistic and others a bit stretched but still relevant to the cause, that me and my friends Furry and Vitt, found.



Fake!Ciel calls Lizzy “Elizabeth” and she reminds him of using her nickname- this surely isn’t the first time the two of them meets, but fake!Ciel is not as confident and at ease with Lizzy as real!Ciel was, giving that she was real!Ciel’s fiancée. Therefore why he calls her “Elizabeth”.




chap 2

Normally, people don’t put their own names in quotation marks. Also, saying the ring is the proof, that he is the head of the household, but also saying he doesn’t care about it and throwing it away don’t fit and don’t make much sense.

Sebastian seems shocked as fake!Ciel says the name.

Bonus: fake!Ciel possibly alludes to real!Ciel’s death in these lines: “This ring has seen the demise of its master many times.” / “My grandfather’s, my father’s… and…” / “…Without fail, this ring will bear witness to my death as well.”


chap 2

And he is shown later, at the end of the chapter,  laughing at fake!Ciel’s words.

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chap 10

The nanny/midwife is holding a baby, but at the same time, Rachel Phantomhive is facing another. The first baby is passed to Ann (Madame Red), and she’s holding it while Rachel is still watching the second baby.

Bonus: In the speech “my beloved and my beloved big sister’s–” Madam Red is interrupted before she can say child or children.

Translation Bonus: Madam Red says the plural “my cute nephews which could not include Lizzy as she is a niece; this can only be about real!Ciel and fake!Ciel.

The official and online version of this chapter do not translate this line correctly. I do not speak Japanese myself but akumadeenglish has graciously provided an explanation of the original Japanese line:

[see the relevant box highlighted in red]

“かわいい = cute
甥っ子 = nephew/nephews
達 = plural-suffix
かわいい甥っ子達 = my cute nephews”

Later on, Rachel says “It’s going to be our child’s/children’s 10th birthday soon!” and does not use a marker to specify singularity.

Translation note as courtesy of akumadeenglish, taken from here: “Rachel’s line goes “今度ウチの子が10歳の誕生日なの!” which literally (grammatically) translates to “It’s going to be our child’s/children’s 10th birthday soon!”. [The word used in the original is 子 which means child/children]”



chap 19

During one of the first flashback, the mister says “This is worth more than 2 people!” while paying for Ciel and his brother.

However, the most discussed and well detailed part of the manga that heavily implied the Twin/Double-Ciel Theory is actually found back in the Noah’s Ark Circus Arc.

That part is Baron Kelvin’s flashback, when he first met Vincent Phantomhive. Also, upon the release of the new manga-based anime Book of Circus, the scenes in Baron Kelvin’s flashback were pretty spot on to the manga.


chap 31

In the whole flashback, the reader can only see one Ciel per panel, and the brother is always hidden from view. Here we see Vincent Phantomhive with a child Ciel. Take note that the visible Ciel is holding his father’s left arm, but Vincent is seemingly holding and looking at someone at his right side, but this is obstructed from the reader’s view by a woman’s skirt.

Another indication that there is another child on the other side is found in the same scene in the anime. Notice in the first frame, the visible Ciel is in the left, while the one on the right side is hidden behind a woman’s skirt. In the next frame though, the child on the right appears, but the child on the left is now hidden behind a plant pot.



chap 31

In the next panel of the manga, Vincent turns around when he’s called. The visible Ciel in this page is the same one from the previous panel, because he is still clutching the left arm. The right side however is blocked by the hand, thus obscuring the brother on the right. Also note that the Ciel here is quite timid, as he is hiding behind his father. At this point we will address him as Shy!Ciel, and remember that he is always at his father’s LEFT SIDE.


chap 31

The first panel in the next page shows the visible Ciel is still the one in the left. He then introduces Ciel, but note that the hand atop his head is the RIGHT hand. So the cute and confident Ciel at the bottom of this page is the one that has been hidden from view in the previous pages. This also happens to be the REAL Ciel, because he introduces himself as such.

In the same scenario in the anime, we once again see a hand blocking Vincent’s right side, obscuring the other child, but when he shook hands, he uses his right hand. At the same time another Ciel can be seen by the right side of his father.



chap 32

Next, we see here the Shy!Ciel, while Real!Ciel is once again obstructed from view by their father. Here, Vincent never introduces the child on his left, only stating “My child” is shy and that his health is poor.


chap 32

In the next page, the visible Ciel here is seen running towards his uncle Klaus. A shy child with poor health could not possibly involve himself with something as strenuous as running. Also, the Ciel running came from Vincent’s right side, where the Real!Ciel was standing. Another indication that he is the Real!Ciel is the mere fact that Klaus identified him as ‘Ciel’.


chap 32

This next panel however became a source of confusion to many who are pro to the twin theory. The hand on the close-up visible Ciel is obviously the left, which meant that this is Shy!Ciel, but then Vincent also calls him “Ciel” and that he is the one recovering from a sickness. This could easily be sourced back from the translating from the original Japanese raw scans. In the Japanese raws, the line actually read “this child asked…”, but translators decided to put it as “Ciel asked…” because at the time this chapter was released the theory hasn’t come up yet. And in the same scene in Book of Circus anime, Vincent said “konoko”, which translates to “this child.”

Going back to the manga, Klaus also stated of the rare occasion that “both” of them are there. Initially, “both” could mean just Vincent and Ciel. But then “both” could actually mean Real!Ciel and Shy!Ciel, as the latter was said to not usually appear in public. Also, in the original Japanese translation, that like meant “all together”, but because it was originally assumed that it was only Vincent and Ciel back then, it seemed more appropriate to use “both of you” instead.

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chap 32

This panel says “those three”, but it’s hard to believe, that the Baron meant Klaus. Also, Klaus is faded out and Vincent is looking and reaching his hand to his left side.


chap 32

This is where this picture comes from. It’s a first, raw differentiation between the two Ciel.


chap 32

Once again, the Ciel in the cage is different from the Ciel that got stabbed. It’s important to notice that the Ciel in the cage does not have his shirt scattered in blood, not now nor during the following flashbacks/memories in the manga. Neither does he have any scar on his chest.

Translation Bonus: In the Japanese version of the manga Joker actually says this: “The Earl along with his children were killed,” using the ‘tachi’ suffix is used to indicate plurality.


子 = child/children
達 = plural-suffix


chap 32

Here we can see from Ciel’s point of view, a boy similar to our Ciel being held down as our Ciel looks on through the bars of his cage.


chap 40

I’d like to point out his scene translates more correctly to a ‘younger brother’, not a ‘little brother’. Ciel’s reaction to this is kind of strange, almost reminiscent as if he understands what Arthur is talking about and it brings fond memories to mind.



chap 50

This is just a little treat, a game of words, if you may. This are two panels from different pages of chap 50. The first one is referring to the end of the Circus investigation: fake!Ciel is ordering Sebastian to never speak about what happened to all the members beside Snake.
Later in the chapter, the concept is repeated,, this time by Sebastian, and indeed it seems he’s referring to something else, like the fact that his Young Master is not Ciel Phantomhive, and that’s why Sebastian never calls Ciel by his first name, he does not even says “My Master Ciel” in front of others. He always refers to him as “Young Master/Bocchan/My Lord”

We also later noticed that neither Tanaka calls the Earl by his first name.
It is suggested that Tanaka is drawn in his “comical/chibi” version because of this- as if Toboso-sensei couldn’t let his face give us a proof. This is just an interpretation.



chap 51

It’s odd how much of the page this scene takes up, and it doesn’t seem to be hinting towards the events of the Campania arc because that has already been mentioned.

If real!Ciel was ever going to come back to life in some way or another, this would certainly be foreshadowing.


chap 54

(please notice the bangs of the two different Ciel)


chap 54

In chapter 54, we can see a boy who looks like our Ciel being pulled away. Next, our Ciel reaches out for demon Sebastian while the boy who looks like our Ciel is stabbed.


chap 54

“Ciel isn’t here anymore”, next to the real!Ciel, with his shirt scattered in blood.


chap 54

and at the end of the flashback fake!Ciel is trying to say his name, but gets interrupted by Elizabeth, and comes back to reality.


chap 56 + chap 57

During these chapters, there are two occasions in which Ciel tries to hide his asthma from Lizzy, and stops Sebastian from mentioning it.
We know for a fact that the whole family were aware of this, as they mention it in chap 99.5, or as we see in flashbacks like this:


chap 28

Following our theory, since Ciel is not who he says he is, he can’t admit to being ill. Only one of the Phantomhive children had been chronically sick which would make the wrong one suddenly developing it a bit suspicious.

Elizabeth aso knows real!Ciel was not sick when he was younger, he did not have asthma and he would often play with her. Hence a reason for fake!Ciel hiding his sickness from Lizzy.


chap 58

In this panel there’s a mysterious other person sitting across Lizzie in one of her flashbacks – obscured once again by a word bubble.

It was pointed out that these legs could be Edward’s, but they are too short for being the older, taller brother.


chap 58

Also, in her memories, she is glad that her fiancée Ciel has come back, but she finds him “thinnier and shorter” she thinks that she was the one who had grown taller, but it’s been only a month, so it would be quite impossible. This must be because Lizzy was engaged to real!Ciel. He was the one who used to spend so much time with her. Fake!Ciel didn’t go out often, so probably they didn’t know each other that well, if not at all.
This also explains the moment of exhitation before fake!Ciel returns the hug.

Translation Bonus:  the online manga translates fake!Ciel’s line incorrectly as “Lizzy” though it is translated correctly as “Elizabeth” in the official manga. 

Once again (just like in chap2) fake!Ciel was not confident with  the little girl, and calls her by her first name and not her nickname.



chap 62

During Sebastian cinematic memories, we get to know that Ciel hesitated before telling his name, as if he was choosing between his and Ciel’s.


chap 62

Further evidence that the Ciel we know may not be the real Ciel is found in this panel. We see Sebastian chuckling when ‘Ciel’ announces himself as the head of the Phantomhive Household, and when asked what was so funny, Sebastian merely replied that (fake!)Ciel was quite a liar.


chap 62

Also Fake/Shy!Ciel is the one that was always ill, so he didn’t go out very often.


chap 62

I would like to compare this interaction with some others:


chap 58


chap 62

He doesn’t seem to care that much that he’s seeing Lizzy and Ann, perhaps because although he knew them he was never that close. After all, these are the people that (intentionally or not) chose his brother over him.

Instead, he calls Tanaka “Grandpa” and run towards his hug, as if they were very close /maybe he was the one taking care of him when he was ill -serving him milk with honey.


chap 62

Just a little hint, but when Tanaka gives Sebastian the brooch that pins him as butler of the Phantomhive, Sebastian stresses the words “young master”, in both bold and italic, as if he knew that Ciel is not the real young master.



chap 62 vs chap 95

During a flashback in chap 62, Sebastian says “You have given a big sacrifice […] The price to cross the river has already been paid.”  and later in the manga, in chap 95, Ciel has a fever and is having nightmare (because of the curse) and real!Ciel (just look at the direction of their bangs, also he does not have the contract and once again, his shirt is covered in blood) comes to fake!Ciel (our Ciel) and says “The power you gained by sacrificing me.”


chap 62

This page is really clear: there are 4 crosses/headstones (even if in the last panel the fourth is covered by the bubble of Ciel speaking), because people thought that all the Phantomhive family died in the fire, so they made 4 graves: two for the parents, and two for the children.


chap 66

Lizzy & fake!Ciel don’t seem to share the same memories, as shown in the Easter special in chap 66: She asks him if he recognizes the pattern from an egg, and he hesitates, before replying that yes, of course he remembers.
At the end of the chapter, Lizzie reveals that it was the first time she made an Easter egg, and Ciel should’ve not recognized it.



chap 71

This is a little hint, but it’s strange that Maurice says this, as it seems so specific, out of place and Ciel’s reaction also seems kind of strange. He doesn’t say anything and avoids the question, as if he can understand the feeling of being the younger brother, the ill and shy one, that will never inherit a title.



chap 90 + 92

When Ciel was reduced to a frightened, traumatized version of himself due to the curse, he kept referring to himself in third person, as if he was talking about the dead Real!Ciels (+as well as other unusual dialogue where he is also referring to himself in third person).

I want to underline also that in other translations, it is more, “Ciel, I don’t want anymore pain!” Signifying that fake!Ciel has confused Finny, because of his smaller size, with the real!Ciel.


chap 95

While in his mind, freaking out because of the curse, we can clearly see that fake!Ciel knows that the real!Ciel was out of the cage.


chap 95

This can of course be confused with our Ciel’s fractured mind, but it becomes obvious that the real!Ciel is more than just a piece of our fake!Ciel’s mind. The real!Ciel says that fake!Ciel didn’t need to get revenge with the power he got from sacrificing the real!Ciel.


chap 95

Throughout all chapter 95 we can see the two Ciel as different person, and in the last pages we also see fake!Ciel passing though his brother and then his parents, in order to take the name of Ciel Phantomhive and his identity.

In this special chapter, Sebastian finds a recipe for a meal that was once cooked by Vincent and Ciel with the help of Diederich for a sick Rachel Phantomhive.


chap 68


chap 99.5

There is a part in this flashback wherein Ciel asks his father what a ‘fag’ is, in reference to Diedrich being Vincent’s fag when they were still in public school, and his father explains it to him. Then there’s no explanation why Ciel would ask again in chap 68, if not if the Ciel in the kitchen was the real!Ciel, and the fake!Ciel was just watching from outside the room.


chap 99.5

After explaining it to him that fags are sort of brothers, he tells Ciel that he will be able to have a fag one day when he enrolls at the public school. In a seemingly grim manner for his age, Ciel is quoted saying “I don’t need fake brothers.”


chap 99.5

More hints are revealed in the same chapter, including the two sets of plates, glasses and utensils in Ciel’s bedroom; and that most of the toys around the room are supposed to be played by two people (chessboard, playing cards, horse race), or there are two sets of the same toy (teddy bears, spinning tops).


chap 99.5

In the same sidestory, the real!Ciel cooks with Vincent then runs away to play, but then we see our fake!Ciel, who is sick, clearly not the same person.


chap 99.5

…and then two pages after that, Ciel is quoted saying “I’d be great if we could all have fun in the boat tomorrow”. Followed by the flashback ending, and the current Ciel, who had been telling Sebastion about the memory, saying that the boat ride never happen because his fever returned the next day.

Remember, the Ciel helping in the kitchen did not appear to have a fever at all, and if he did, he shouldn’t be allowed in the kitchen in the first place. This means that the Ciel in the kitchen is actually the real!Ciel, while the Ciel that was coughing in one page was the fake!Ciel, who was mentioned before to be very sickly.


chap 99.5

But this poses a question: If the sick shy!Ciel, who happens to be the present Ciel, was not allowed in the kitchen, then why was he able to recall and even tell Sebastian about that time? The most possible answer could be that sick!Ciel was viewing and listening nearby, probably by the door or sitting by a corner. He couldn’t go in and help out, but that doesn’t mean he wasn’t present. He may just be, once again, hidden from view, like during Baron Kelvin’s flashback. This is justified by this panel after the flashback, as the current Ciel (shy!Ciel) mentioned that he only remembers it because it was the only time he saw one of his parents cooking.


chap 99.5

More on this interesting special chapter: (by @her-majestys-watchdog on tumblr)



chap 101

Fake!Ciel remembers Diederich because of this conversation he and his father had. Notice how he is not the usual Ciel, as it is really calm, shy, and never smiles.
Of course, in these pages, Diederich calls him “Phantomhive boy!”, not allowing us to know fake!Ciel real name.



chap 103

During some Shinigami investigations, we see a glimpse of Phantomhive’s genealogical tree. Some of you made me notice that the end of the tree (after Vincent and Rachel) seems to split in two, and it is cut at a convenient angle.



chap 105

In this panels, the words “Earl of Phantomhive” are in quotes, and is Ciel himself who says “Does he mean.. me? Or…” and the chapter ends without letting us know which was the other side of the choice.

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chap 108

During this scene Undertaker wakes up the real!Ciel, the Earl, and says “It’s still too early for you to wake up”. In the next page, fake/shy!Ciel is waken up by Sebastian, and we are drawn to think that Ciel was having a nightmare, but in fact the bedrooms of the two Ciels are entirely different, from the headboard of the bed to the number of the windows.

We noticed that fake!Ciel wakes up and, drawn scared, does not have the contract on his right eye. But we think this is only Toboso’s drawing style, as in some other pages she did the same “mistake” too. Here, in chap 14, once again Ciel is waken up and reacts badly. I’ve zoomed in the panel for you to see that Toboso-sensei did not draw the contract in here either.

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chap 14

During the special chapter for Black Butler tenth anniversary, our characters celebrates Halloween by mixing different kind of its tradition.


chap 120

Ciel sees some kids doing “Trick or treat” as the american tradition, and they reminds him of real!Ciel, Lizzie and his parents. In this memory, fake!Ciel is remembering from his point of view, and says “wait” because he was the twin always left behind as he was ill/couldn’t left the house. Ciel snaps out of the memory only when interrupted by Sebastian.

The Japanese Halloween tradition “tourou nagashi” consists in litting up lanterns and let them flow into a river to celebrate the ancestors. Fake!Ciel sees a reflection of his old self in the river, and this cause a stream of memories in his mind.


chap 120

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chap 120

It’s just at the start of those memories, in the upper right corner of the page, that we see, once again, a clean (fake!)Ciel inside the cage, meaning once again he was not the one sacrificed on the altar.



chap 113 + chap  115

While Ciel is investigating and falls asleep, we see Elizabeth with real!Ciel, that is later referred on as “Master Sirius” by Bravat and Violet. Violet has the same blood type as him, and he’s giving his blood for the recovery of the true Earl. That’s why he suffers from anemia moving on with the story.

People said that Elizabeth is talking to the one and only Ciel, but he fell asleep in a room with no windows at all, and the amount of time is very short since Sebastian talks with inspector Abberline and then greats his master. If they moved the chair to let Lizzie visit his boyfriend, then why removing the eye-patch and the shoes? They must be two different people, two different Ciel.


chap 60 and chap 105

speculation: Another interpretation is that this Ciel could be Vincent. You suggested that Undertaker is the mastermind behind all this. It would make sense as we saw him feeding this body in chapter 108, and would also explain his experiments on reviving the dead.
Maybe he was really caught up with Vincent and his friends, with the whole story of the “evil nobleman”. Please remember that Undertaker is a Shinigami, which we don’t know the extend of powers yet. Could he possibly be able to take one’s soul (Vincent) and preserve it in another body (real!Ciel)? Gloria R. also wrote me: “Part of me also wonders if Undertaker had something to do with Ciel meeting Sebastian. Like he needed a guardian for his container to keep him safe til he figure out how to bring the dead back.”
This could be possible as we know that Undertaker is not only taking care of that body, but also he shed tear while thinking of Vincent’s death.
+ Undertaker does not work as a shinigami anymore, instead, he is wanted, and is called “the seceders/deserter” in two occasions. Is this because he parted from the Grim Reapers or because he separeted a soul from his body?
++ he was the head master of Weston College, so he was likely in contact with the P4, and could’ve contact them to start the Music Hall/transfusions operation


chap 117

It is Elizabeth herself that says “I cannot return to that side!” meaning fake!Ciel.


chap 125

And finally, in chap 125, fake!Ciel and Sebastian find Violet, sick after a major blood  withdrawal. Violet gain consciousness, and is scared to look towards Ciel. He says “Ah… you’re…” and will probably end the phrase with “master Sirius” but is interrupted by Sebastian’s question.

In the recent chapters, Agni is litting up the fireplace,


chap 124

and he discovers a family photo that fake!Ciel has previously thrown away, probably because it was showing the whole family, with both the twins. We also think that the photographer was talking about the real!Ciel when he mentions his vitality and the fact he had to do many retakes.

m021 (1)

chap 126

Agni is definitely worried about this photo, and he says “there are pictures here as well”, but soon discovers that is one picture, just with two Ciel.


chap 126

Now onto the real deal: Soma greets someone with joy and happiness, the way he acts around everybody, yes, but he is this happy just after the talk with Agni about how much he cares about Ciel as a friends and wants to help him understand he has a lot of people around him that care for him.

Why does this guest might be real!Ciel? Because Soma says he’s “acting weird”, and just after that he checks if the guest has a fever. This kind of behaviour has been shown by Soma only towards Ciel, when, at the end of the Circus’ arc, fake!Ciel comes home with a fever. Also: we know that fake!Ciel is the one that has a poor health.

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chap 29

And here are some fresh theories just for you:


chap 123

If Master Sirius is real!Ciel, aka he should be behind the door with 1 star (the one that never speaks), who are the other three? Who is Four-Star, the one who calls himself “a butler”?



chap 127

Soma gets shot by the person he greeted, and as seen in this panel he is deeply shocked by it, and asks “why?!”, as it’s a friend who shot him, as it was (real!)Ciel. Agni, who discovered the truth, is ready to defend his master at all costs..



chap 128

As we theorists expected, Soma’s reaction is both angry and scared.
The detail of Ciel’s reflection is Soma Agni can be both to underline his fear or to accentuate the fact that it was the same person to Soma (aka a look-a-like, read: a twin). Real!Ciel killed Agni and Soma saw it with his own eyes.


chap 128

In Ciel’s bedroom (while all the other rooms are left untouched), the misterious people carved on the wall “Who stole the candy from my tummy?”
This can of course be a mention to the fact that fake!Ciel, by stealing his brother’s identity, took away his food. It’s pretty funny that this phrase is written next to a mirror, so fake!Ciel can see the answer in the reflection.
A further theory could be that real!Ciel was stabbed in the tummy while he was sacrificed during the twins’ confinement, but the more convincing one to me was this theory by her-majestys-watchdog:
[In her description, YM is fake!Ciel and LC is real!Ciel]


Meaning the “candy” they refers to is the Phantomhive ring- This makes sense, also it explains why is it candy, singular an not “candies” as in “sweet foods”.
Sebastian’s words are from his cinematic record from chapter 10. Most scan left the chinese raws, but you can see the kanji from “finger” there, referring to the ring “指”. (Thanks to Vitt for this detail).


chap 128

The last few pages before the end of the chapter speaks for themselves. Fake!Ciel finds the picture Agni was holding, realizes it’s his family photo, and asks Sebastian if he’s lying. The butler answer that he does not tell lies.

Also taking in this interpretation from akumadeenglish


last update: 26/05/2017

Some Q&A’s from you!

1.1 Why does nobody mention the dead brother?

For Starters, no characters throughout Kuroshitsuji have referred to Ciel as an only child. In the Japanese version of the manga, the words used to describe Ciel always have two meanings – that’s just how Japanese works a lot of the time. Unlike in English, Child and Children are not separate words unless specified. Yana has never said that Ciel was an only child. However, she has actually used the plural ‘tachi’ suffix and specified that there are multiple children.

However, when being translated into English it’s often that translators will go with what makes the most sense, rather than what it actually says. As it’s sometimes a convention (I believe) in Japanese to not specify what you mean and let the context decide it for you, many translators will go for ‘child’ not and ‘children’.

There are many inconsistencies in the English version of the manga because of this.

I think it’s also fair to argue that this is just fiction. In real life surely somebody would have mentioned Ciel’s dead brother, but in a story? For the sake of the plot, maybe not. Lots of weird things happen in Kuroshitsuji that don’t apply to real life… obviously. For example, why does everybody accept Sebastian without question? Why is Ciel allowed to be an earl at 10 years old? etc.

2.1 On chapter 8, page 23, three graves are shown. How is that possible?

A flashback shows there are three graves, fake!Ciel wears clothing which indicates this is not the first time he has visited the them (since we know what he wore during the first visit, that is shown in chap 62). Though this may be a consistency error, as the graves appear fresh yet time should have passed.

If this is not an error: it can be inferred that fake!Ciel removed the grave of Ciel Phantomhive as that was ‘his own’. It would make a lot of sense for fake!Ciel to remove the grave when he is considered to still be alive.

2.2 Why does Tanaka refers to him as Ciel in chap 19?

Tanaka turns around, out of breath, uncharastically panicking, then he speaks to YM: “Please run away.” / “Lord Ciel…” / “This is too awful for you.”
or in other translations:
“Please escape” / “Ciel Sir…” / “It’s too risky for you..-“

In both, the use of an ellipsis after “Lord Ciel” makes it possible that Tanaka is not addressing YM with this name, but is instead using fractured language due to his current state. Instead, he is saying: “Please run away. [Something bad has happened to] Lord Ciel. This is too awful for you.”

1.2 Why no one notices fake!Ciel’s asthma?

Fake!Ciel asthma is visible only in situations while it is ok for him to cough and/or there’s no one from his “previous life” there (ex. the Circus, the Campania, the Green Witch).

Elizabeth is the only one that should have noticed that and for instance, I believe she knows, that’s why she went to Sirius and she later escaped Phantomhive manor. In my opinion, she noticed all the little details that Ciel was not the real one, and went to Sirius/Undertaker/whoever is in charge and tried to revive real!Ciel body (as we see her in chap113, taking care of real!Ciel).

1.3 Why’d no one thought to check if it was the right twin?

That’s tricky, I admit so, but in fact we know that the only one to have a real relationship with fake!Ciel was Tanaka, that was relieved to see him. It is possible that he is keeping the secret for multiple reason, such as: letting him get his revenge? protecting him? serving his orders? who knows.

For other people, such as Madame Red- Lizzie, they probably were concerned about how the horrible experience affected Ciel and his personality; while Undertaker knew the truth. Probably Madame Red would’ve discovered sooner or later, but unfortunately she passed away. [As for Lizzie, read Q&A 1.2 and for general opinion, read 1.1]

3.1 Why would fake!Ciel take his brother identity when he would be Phantomhive’s rightful heir anyway?

These are speculation, but: Confirmation? There are some real issues going on between brothers, and with twins is even worst. There’s a sorta competition always going on, and knowing you’re the ill-shy-secondchoice one is not the best… even if he came out alive and said “I’m back I’m XXX and I’m now the new heir to the Phantomhive name!” I guess people would’ve thought “oh he’s not the one” and? would not make business with him? not care? 

My opinion is: fake!Ciel wanted to be the strong one, the grown-up, wanted to have friends/family/power/choices. Never forget that the protagonist of Kuroshitsuji is just a child. Maybe he just wanted to be the one in the kitchen, to be able to play outside, to be remembered.


What do you think about this?
If you have any clues, please let me know, I’ll be more than happy to add them to this masterpost! You can contact me on Facebook, Tumblr or Instagram !

And last but not least… what do you think is fake!Ciel real name?


14 thoughts on “The Two-Ciel Theory Masterpost – Kuroshitsuji

  1. Veena says:

    I think Sebastian knows something and wouldn’t say… also bravat is a bit suspicious Wat if he killed
    agin also lizzy wore black gloves it could have been her well we are still not sure.


    • eireenene says:

      I think too that Sebastian knows something!
      Maybe Bravat is the one that stabbed Agni, but I don’t think that Soma opened the door to him, his reaction wat too spontaneously happy :/


  2. Layla says:

    I’ve been following the twin ciel theory and i see something missing here! in chapter 103 when the shinigami checks the family tree, the line coming down from Vincent Phantomhive splits in two


  3. Wilderness Willow says:

    OMG this is really mind blowing. Ans definitely Sebastian, Undertaker, Tanaka these three people know everything that is happening and if all this is true than lizzy knows too. OMG this is chilling.


  4. Ema says:

    I’ve been following this theory for a while now, but chapter 128 confirmed it all (at least for me)
    you should check it out as soon as possible TAT

    also a friend told me Toboso-sensei said she’s gonna reaveal sth about the resemblance of Sebastian and Vincent soon makes me all the more excited


    • eireenene says:

      I was away from home and I kinda teared up while reading it! But I finally updated the post with chap128 + I added some translations notes from the previous chapters (mostly about using the plurals while talking about Phantomhive’s children). I hope you enjoy!

      Ooooh that sounds awesome too! I can’t wait to find out more *A*


  5. mon says:

    Thank you for sharing your analysis. Been a silent reader & waiting for your update regarding the ch 128 😝 I feel like we’re now in the main plot & am so excited for it.
    Btw, I love your writing, please keep updating this page❤


    • eireenene says:

      Thank you so much mon! Your words inspire me to do better and better! I also feel like that Toboso-sensei is going to reveal the truth soon, that’s why I wrote the masterpost in the first place! The 2CT was wandering around since 2014 i guess (at least that’s the first time I encountered it) but everyone was just expressing their opinion on certain chapters, mostly before the events of the Green Witch, while on that arc there’s a whole chapter with the two Ciels (even if it’s inside fake!Ciel mind!).

      I can’t wait for every update, and will always look out for more evidences, until… the lies becomes truth!


  6. giulliausuallywrites says:

    Omg I loved your analysis of this! I’ve heard of this theory long ago but just now I’ve encountered this proof masterpost!!! I LOVED IT! I want to know Fake!Ciel’s real name now!! Oh my, and last episode killed me, so I was directed to this blog. HOPEFULLY next month we’ll be having some new evidence on this, my my I want more juicy drama and proof for this theory!! Bye and keep doing a great job!


    • eireenene says:

      Thank you so much! I’ve also followed this theory for quite a while but I never saw a masterpost, so I decided to make one myself! Now that I did, Toboso-sensei seems to have realized that the 2CT community has coming stronger, and is therefore approaching the truth? I can’t wait to see the next chapter and the one after that and so on!! Thank you for the compliments and keep sharing the theory with your friends!


  7. Dayan says:

    after reading all this, i think the theory that Undertaker is trying to bring Vincent back in Real!Ciel’s body is very plausible. I still think the twin’s theory has a few plot holes. like , how no one ever mentions a twin, how no one notices fake!Ciel’s asthma, how having only one twin back, why’d no one thought to check if it was the right one. and finally, why would fake!Ciel take is brother identity when he would be the phantomhive rightfull heir anyway… it just doesn’t make any sense.


    • eireenene says:

      that’s the most plausible answer to the story. As for the other things you questioned, some are answered in the masterpost, and for the others, these are only my speculations and opinion: fake!Ciel asthma is visible only in situation while it is ok for him to cough and/or there’s no one from his “previous life” there. Elizabeth is the only one that should have noticed that and for instance, I believe she knows, that’s why she went to Sirius and she later escaped Phantomhive manor. In my opinion, she noticed all the little details that Ciel was not the real one, and went to Sirius/Undertaker/whoever is in charge and tried to revive real!Ciel body (as we see, her taking care of a Ciel body that to me, is the real one).
      Why did no one check if it was the right one? That’s tricky, I admit so, butin fact we know that the only one to have a real relationship with fake!Ciel was Tanaka, that was relieved to see him. It is possible that he is keeping the secret for multiple reason, such as: letting him get his revenge? protecting him? serving his orders? who knows. For the other people, as Madame Red- Lizzie, they probably were concerned about how the horrible experience affected Ciel and his personality? While Undertaker knew the truth. Probably Madame Red would’ve discovered sooner or later, but unfortunately she passed away.
      Why would he take his brother identity? Confirmation? There are some real issues going on between brothers, and with twins is even worst. There’s a sorta competition always going on, and you know, knowing you’re the ill-shy-secondchoice one is not the best… even if he came out alive and said “I’m back I’m XXX and I’m now heir to the Phantomhive name!” I guess people would’ve thought “oh he’s not the one” and? not making business with him? not caring? Again, there are so many choices, and this are just my humble opinions. Please feel free to share yours! I will add this questions to the masterpost, thank you!


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