Sera's indentity speculation thread

[Sealo 0]

I was thinking it would be fun to toss around theories about who Sera is. ^^

[Officer Kaoko 142]

Anooo... there has already been a thread about this :-/

->

[Chekhov MacGuffin 1089]

Anooo... there has already been a thread about this :-/

-> http://www.detectiveconanworld.com/forum/topic/1086-file-768-76-jeet-kune-do-spoilers/

Since Sera is most likely going to be a recurring character, it makes sense to have a thread dedicated to speculating about her outside her introductory case thread.

Edit: I like listing things so I'm going to list all the theories I subscribe to about Sera here with evidence to support. Some of this is copied from later posts. It is also in progress pending new information.

Last updated (Apr 18 2012)

Index

Sera Masumi's identity

Sera is Akai Shuuichi's sister

Direct Evidence

Literary device arguments

Minor points - i.e. weak arguments

Sera is not...

A loyal member of the Black Organization

Scar Akai

The hat lady from the prescreening case

 

Sera's Goal

Sera is looking for Akai

Sera is looking into Conan and the people around him

Sera is specifically targeting Conan because she found out that he and Akai had some sort of connection before Akai's disappearance

Sera's purpose in the plot

Sera will drive Ran's suspicion

Sera will come across Bourbon

Miscellaneous

Sera knows Conan is Shinichi.

Sera's comment about deleting Haibara's picture.

Why doesn't Sera go to the FBI for help finding Akai?

Why doesn't Sera tell Conan who she is and that she wants to find Akai?

If Sera is after Akai, why is she interested in Ai and Conan?

Why would Okiya, if he is Akai, step up protection after hearing about and seeing Sera?

Old arguments

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Sera Masumi's identity

Sera is Akai Shuuichi's sister

Direct Evidence

Sera and Akai's eyes match

Sera has bags under her eyes identical to Akai Shuuichi's. The "siblings with identical eye designs" has been done before with Eisuke and Hidemi.

Characters who know Akai think she is familiar

• Conan thinks she looks familiar and feels like she is not an enemy. (73-9 pg 11) She has some similar features to Akai Shuuichi, like the eyes and the wavy/kinky black hair. Akai was an ally so it makes sense Conan would have this impression.

• Camel, Jodie, and James Black think she looks familiar. (File 778-780) They are all familiar with Akai.

Sera's relocation history matches up with Akai's infiltration activities.

Sera lived in Japan until three years ago when her family moved to America. (V73-9 pg 2) This matches with the time when Akai was infiltrating the Organization five to two years ago. The family's move to America could be the FBI's attempt to protect them should something go wrong with Akai's infiltration.

Sera recognizes Scar Akai (who looks like Akai)

Sera's reaction to Scar Akai was one of recognition. She called Scar Akai "an old acquaintance" (she couldn't exactly come out and say "brother"). Later, Sera comments about "this person in the past who never laughed". "In the past" implies this person had an existence failure, like Akai who is supposed to be dead or had run off on a mission and never returned. Also Akai is not the laughing type. He was cold before Akemi died and is worse now.

Literary device arguments

Sera's name origin is a pun on the younger sister of Akai's name origin.

Sera Masumi's name is derived from to Mobile Suit Gundam character Sayla Mass (セイラ・マス, ''Seira Masu''). Gosho references this in an interview. Akai's name is derived from Sayla Mass's older brother's name, Char Anzable. (Akai's name comes from the Mobile Suit Gundam character Char Aznable, whose nickname was the "Red (Akai) Comet", and Char's voice actor Shuuichi Ikeda (who is also Akai's voice actor). Additionally, his alias, Dai Moroboshi, comes from Char's real name, Casval Rem Deikun (sounds like Dai-kun in Japanese). Moroboshi can also mean falling star, another possible allusion to Red Comet. )

Minor points - i.e. weak arguments

Sera and Akai share some habits.

Both often wear headwear when the situation allows it. (Akai wears beanies, Sera various hats when not in school or uniform) Sera and Akai also share the habit of pocketing their hands. Neither are exclusive behaviors however.

Sera is knowledgable about law enforcement.

Sera has knowledge of law enforcement, even the Japanese law enforcement, which would be expected of someone who has a sibling in law enforcement whom she cares about.

Sera reacts to the FBI

She reacted when Conan introduced Camel as being part of the FBI. (File 778) Akai was in the FBI.

Sera reacts Okiya Subaru

Sera reacted strongly to Okiya Subaru, who may be the real Akai.

Sera is not...

A loyal member of the Black Organization

If Sera was a loyal member of the Black Organization, she should have identified Ai was Sherry and have reported or eliminated her. Sera seems to already know Conan's identity (see below), but she has not done anything to harm him. Also, she would have also been more cautious in front of Conan and speaking about how much she knew in front of Mouri Kogoro. Besides the picture of Haibara reflected in Agasa's glasses, she also revealed she had information that she collected previously on Agasa (knew about Agasa is advance of his introduction) [771.4]. She revealed that she had done research on the professor to Kogoro and Ran. Also, she overtly tested Conan's deductive abilities in her introductory case. If she was Conan's enemy, she would have concealed that she knew who he was [768.16] and what he was capable of [769.4] in advance to ensure she had an advantage and would have also been more subtle about testing Conan's abilities to avoid making him realize that she was testing him. She wouldn't nearly directly ask if Conan was the brains behind Kogoro either.[771.4] She also deleted the information she collected on Haibara. If she was a target, deleting the info doesn't make sense even if she isn't going to do anything to Haibara right away.

Also a hotel is not a very secure base of operations for a BO agent. People can enter and exit as they please as long as they have a card, which can be used to break in if copied or if Sera is impersonated. Why not use a better backstory so she work from a residence that provides more security for one's personal belongings?

Scar Akai

Sera appeared at the same time as Scar Akai in 801.

The hat lady from the prescreening case

Sera is not the lady in the hat who followed Yukiko and the Detective Boys on Akai's orders during the film prescreening case (chaps 417-419). Conan asked Takagi to stop by their car and ask them questions about whether they had been drinking and such to get them to stop following the gang. Takagi would have recognized her during her appearance case. Also the shadowlady with the hat was shown smoking. Conan probably would have noticed if Sera smelled of smoke because that would be unexpected for someone who is supposed to be high-school aged. Cigarette smoke smell is also difficult to get out of clothes and hair, and we already had a shot of Sera's apartment and there were no obvious signs of smoking so Sera must have kicked the habit temporarily if she was hat lady.

Sera's allegiance and occupation

Sera is most likely a high school girl on the side of Akai.

• Sera responded to Scar Akai as an acquaintance. (Assuming she mistook Scar Akai for the real deal.)

• Sera is most likely not an FBI agent because Camel did not outright recognize her. (File 778) She is also seems a bit young although she could be concealing her real age.

• She is well acquainted with the names and procedures of various elements of the Japanese law enforcement although she has been living in America for three years. That means she likely has a personal interest in law enforcement for some reason.

• In the process of investigating Conan, she discovered Shinichi Kudo is alive. She also obtained an image of Haibara and her current address. She has made no moves against either party, suggesting she is not part of the Organization.

• Sera seems to already know Conan's identity (see below), but she has not done anything to harm him.

Sera's Goal

Sera is trying to locate Akai Shuuichi or is trying to find out why he died, and she is doing so by looking into the people connected with Conan.

Sera is looking for Akai

If Sera is Akai's sister, as argued above, it would make sense for her to wonder what happened to him or investigate his supposed death. This parallels the situation with Eisuke and Hidemi.

• Sera chases after Scar Akai when she seems him, and calls him "an old acquaintance." If she thinks Scar Akai is the real Akai or someone who looks exceedingly like him, her reaction clearly suggests she is interested in Akai. Later, Sera comments about "this person in the past who never laughed". "In the past" implies this person had an existence failure, like Akai who is supposed to be dead or had run off on a mission and never returned. Also Akai is not the laughing type. He was cold before Akemi died and is worse now.

• Sera revealed she had taken a special interest in Okiya Subaru before the Detective Boys informed her about them. She specifically was wondering if someone had just moved in to the Kudo household without permission, indicating that she is interested in a person who might just move in.

• She also asks about Agasa's living situation. After learning via Genta and Mitsuhiko that the only occupants were the professor and Haibara, she discards some of the information she collected on them, possibly indicating they were no longer of interest because Akai or someone who could be Akai was not living there.

• Sera comments that "Deletion. For data at least ... is an easy task to accomplish." (File 777 pg 16) Although Sera was deleting a picture of Haibara from her computer at the time, it could be interpreted as a general comment that while data is easy to erase, it is much harder to erase traces of someone in real life. By implication that would reveal she is interested in someone who had been "erased", like Akai for example.

• Sera takes a special interest when Conan reveals Camel is an FBI agent. This suggests that her motive involves the FBI.

Sera is looking into Conan and the people around him

Sera knows about Conan and is specifically looking into him and the people around him. She knew Conan's name in advance without being told and that he was a detective in his own right. She likely thinks Conan is the force behind sleeping Kogoro after asking Kogoro a pointed question about Conan being by Kogoro's side for all his cases. She specifically tries to meet with Conan and talk to him on at least one occasion. She also deliberately messed up the explanation to a case, seemingly in order to test Conan's deduction ability.

Sera has also investigated the people around Conan. She asks various people probing questions. She actively collected and stored data on her computer about Agasa. She also knows information about people in advance indicating she has done research. She knew Ran was a a high level karate practitioner when they met. In file 771, it is revealed that she also knows Professor Agasa, although she calls him "Professor whatshisname" at first. She looked up a video of Agasa's online and managed to get an image of the video taker Haibara by zooming in on his glasses. She also went to visit Agasa's house and asked Mitsuhiko and Genta about the person living in the Kudo house and Agasa and Haibara.

Sera is specifically targeting Conan because she found out that he and Akai had some sort of connection before Akai's disappearance

As for how she found out about Conan and Akai's relationship, I think she acquired some of Akai's pictures of Conan and Haibara from when Akai was investigating them in the Vermouth arc. Specifically Akai had one of the Detective Boys as they were about to enter a film studio with Yukiko. This would explain why she targets Ai at all; she was quite prominent in the picture and thus possibly Akai's person of interest. As for how she got it, Akai kept the one of Shiho (with Conan, the DB, and Yukiko in the background) as a personal memento and the FBI overlooked it when sending his things back to America after he "died". This is plausible because Akai kept it in his truck, but it is no longer there during the events of Red vs. Black, and the police obviously didn't find it in the glove compartment or Takagi would have asked Conan about it.

She could have also grilled someone in the FBI. A bunch of FBI agents saw Conan and Akai together in the strategy meeting. The way Conan and Akai were interacting made it clear that they knew each other and had been planning together. Camel and Jodie didn't recognize her though.

Sera's purpose in the plot

I think it is extremely likely the climax of the Bourbon arc will involve a simultaneous confrontation with Bourbon and Ran suspects Conan plot. Sera is a catalyst to drive both of these forward.

Sera will drive Ran's suspicion

Sera's suspicion of Conan will drive Ran to suspect Conan is Shinichi either by directly wondering about the possibility to Ran, but more likely by uncovering something that makes Ran suspicious. Back during the Shiragami case (V62 chaps 650-651), Heiji used Shinichi's fingerprints on his omamori as evidence to show "Shinichi" was a plastic surgery lookalike. Shinichi/Conan's fingerprints got on Heiji's omamori in the first place when Conan pulled the handcuff link pieces out of the bag to show Ran that they blocked Numabuchi Kiichiro's stabbing attempt (V19-F8 188 pg 8). Ran remembers this incident in the sports bar case (V66-F8 693 pg 11), and asks Kazuha about the discrepancy: she knows Conan handled the omamori a long time ago, but when did Shinichi handle it? Note that this situation closely parallels the question of Akai's fingerprints on Conan's cellphone (and Conan may try to resolve it in a similar fashion.)

Sera seems to already have uncovered Conan is Shinichi. (801 and see Miscellaneous section below) She also asks Ran to bring some photo albums, which Shinichi will be in, because she wants to see what Shinichi looks like to confirm her suspicions. She is already "pointing" Ran to some evidence that will make her suspicious.

Sera will come across Bourbon (Edit: Already happened!)

I think it is likely Sera will run into scar Akai, who is Bourbon is disguise, and mistake him for the real Akai. Either she will try to find or make contact with scar Akai herself, necessitating intervention by Conan and Akai (disguised as Okiya), or Bourbon will attempt to use her to lure the real Akai out or kill her, also necessitating intervention by the same two.

Sera meeting with Okiya and uncovering that he is Akai would be a dead end plotwise unless Sera is being followed. In the Eisuke arc, Conan was suspicious that Eisuke was unknowingly being used by the Org to find Hidemi, but that turned out not to be the case. If Bourbon knows about Sera, then he could be using her as an unwitting bait for Akai, and in the process of following her stumble across her investigation of Conan and take interest in it himself, leading to the showdown with him.

In any case, Sera's presence will trigger Akai to do something once he finds out she is in Japan looking into his death/disappearance. Akai doesn't have much of a choice because Sera is investigating Conan and Shinichi which will and has brought her to Shinichi's house once already. Akai can't ask the FBI to help since they think he is dead, also with Bourbon wandering around looking like scar Akai, he has to do something to protect her before she meets scar Akai and becomes a target.

Miscellaneous Arguments

Sera knows Conan is Shinichi.

Sera has demonstrated overt suspicion of Conan's talents, but her thought she "had known that for a long time" after Ran mentions Conan, just like Shinichi, is a Holmes addict suggests Sera knows his identity. She also asks Ran to bring photo albums of Shinichi, which will contain pictures of Shinichi when he is young. Sera can easily find pictures of Shinichi on the internet, but not Shinichi's past pictures, which suggest verification of her theory is her motive for wanting to see the album.

Sera also takes interest when Sonoko describes Haibara as a introverted woman trapped in the body of a small child who overlaps a lot with Conan.

Sera's comment about deleting Haibara's picture.

It's obviously an attempt by Gosho to make Sera look suspicious without having her do anything that logically deserves suspicion. Sera comments that "Deletion. For data at least ... is an easy task to accomplish." (File 777 pg 16) Although Sera was deleting a picture of Haibara from her computer at the time, it could be interpreted as a general comment that while data is easy to erase, it is much harder to erase traces of someone in real life. By implication, that would reveal she is interested in someone who had been "erased", like Akai for example.

She most likely erased the picture of Haibara because she ruled out Agasa's house as somewhere Akai might be living. After talking with Mitsuhiko and Genta in 775, she finds out no one else is living there besides the professor and Haibara. As Akai isn't there, she deletes the info she collected because she doesn't need it any more. If it isn't useful and someone might become suspicious of what she was doing if it was accidentally seen, there is no reason to keep it around.

Why doesn't Sera go to the FBI for help finding Akai?

If Sera is looking for Akai, why doesn't she scope the FBI, tell them who she is, or ask them for help? In summary, they might send her back or block any investigation she might make.

Besides being a civilian who shouldn't be involved, Sera is also a high risk one at that. Her identity as Akai's sister may mean the Org could try to use her as leverage against the FBI or as Akai, or kill her because of her relation to Akai. Anyone in the Org with a personal vendetta against Akai (like Bourbon) would also go after her.

Sera, assuming she thinks Akai is alive, doesn't know if the FBI knowingly faked Akai's death, or Akai did it on his own and tricked the FBI. If it was the first case, Sera would expect that she would be sent back immediately because the FBI would not want to have their operation endangered by her snooping around. In the second case, Sera would expect that they would send her back because of the danger she is putting herself and the FBI in. Also, if the FBI think Akai is dead, she wouldn't have much help from them anyway because they wouldn't tell her anything because it would be involving a civilian and they want to keep the Org investigation secret.

Why doesn't Sera tell Conan who she is and that she wants to find Akai?

Her task would become substantially harder if Conan decided to exclude her because it means she has laid all her cards on the table. She doesn't know how Conan will react which means telling him would be taking a gamble on him excluding her or informing the FBI she is in Japan to get her sent back. In any case, Conan would exclude her no questions asked because he is harboring Akai and she thus a liability. Conan locked down on Eisuke the moment he realized he might be connected to Rena and did as much as he could to avoid doing anything Eisuke would be interested in. That lockdown didn't let up even when Conan decided that Eisuke was probably not an enemy (nail and hammer case) because Conan was still worried that Eisuke could be used by the Org, and it could be the same deal with Sera.

Right now, Conan knows Sera is suspicious, but doesn't know what her goal is. If he knew she was looking for Akai, he could make various arrangements to make it harder for her to find out. As he doesn't know how to block her investigation, he can't take any targeted measures to dissuade her other than not tell her anything relevant.

If Sera is after Akai, why is she interested in Ai and Conan?

My suspicion is that she knew to look into Conan and Ai in the first place because she saw Akai's pictures of Conan and Haibara from when Akai was investigating them in the Vermouth arc. Specifically Akai had one of the Detective Boys as they were about to enter a film studio with Yukiko. This would explain why she targets Ai; she was quite prominent in the picture and thus possibly Akai's person of interest.

I assume she looked into everyone in the photo. Conan would come out prominently because of his involvement with Kaito Kid, and from there Sera started digging, like Eisuke, and noticed Conan's appearance correlated to Mouri's rise. Yukiko's presence ties in Kudo Shinichi, which explains why she takes interest in his name and when Conan used his name for a case. Sera wouldn't have asked Kogoro if Conan was around when he solved cases if she didn't make nearly the same connections that Eisuke did. In order to get anywhere, Eisuke had to hang around Ran and take advantage of Conan's love of cases. From Sera's perspective, Conan is going to be more interesting than anything she could dig up on Ai who has done an excellent job of keeping her public records unremarkable.

As for how she got the pictures, they don't have to get sent to her in particular, they could have been sent home, the way a dead soldier's personal effects get sent back. While the FBI can't get ahold of the body or Chevy because they are in police custody as murder victim John Doe and his stuff, the FBI might send back everything where Akai was shacking up and the picture was in his personal possessions. While the FBI would have kept mission related info, Akai may have kept the picture hidden somewhere personal because it was one of Shiho Miyano and meant something to him. The FBI overlooked it when they went through his things.

Why would Okiya, if he is Akai, step up protection after hearing about and seeing Sera?

Please see this post.

Why did Sera cry and say she was a bad girl in 814?

Sera's crying started when she she watched Ran putting a band aid on Conan. Although this is only a hunch, I have a feeling that watching them triggered a recollection of something very similar that happened between her and Akai when they were younger. She may have met Shinichi when she was younger and remembered something about their meeting then. As for why she says she is a bad girl, I do not know. The meaning and context are pretty vague so there are lots of possibilities.

Old Arguments

Sera is not Scar Akai

Sera didn't know Camel was an FBI agent until the restaurant case where he appeared. [778.11] Scar Akai, assuming he has been targeting FBI agents in his appearances, would have known Camel is an FBI agent after the Beika department store bomb scare.

Even if he didn't know before, Scar Akai would know Camel is an FBI agent from the way that Jodie was interacting with him in the Beika Dept store. If Scar Akai was following them earlier, he might have noticed Jodie introducing Camel as "Agent Camel" to Ran and Kogoro. Also, considering the two of them together, it's a pretty easy deduction to make, especially if Jodie is dragging Camel around to interrogate salespeople about a hat scar Akai knows to be his. (Which implies Jodie is looking for info on Akai, and Camel is party to this.) Also Scar Akai may have very well seen Jodie, Camel, and James Black together pre-Teito bank heist while picking the right moment to appear in front of Jodie. If Sera is Scar Akai, she would have at least strongly suspected Camel was FBI by the time Conan introduced Camel in the Danny's case. Her reaction isn't like that though; it's a just found out reaction. "Oh? FBI, huh..." Because Sera was thinking it instead of saying it aloud, there was no reason for her to "lie" in her head, because that wouldn't make any sense and Gosho never lies to the readers.

[Detective Kudo 28]

It's a she, probably from England, and may have some connection to the London arc and Kudo's dad may have sent her to help with the investigation, maybe. Maybe they have some interest in taking down the BO

[Officer Kaoko 142]

Since Sera is most likely going to be a recurring character, it makes sense to have a thread dedicated to speculating about her outside her introductory case thread.

But lot of speculation has been said in that thread. And I was planning to change the topic title after we finish with the files~ xD

[tengaku squared 291]

But lot of speculation has been said in that thread. And I was planning to change the topic title after we finish with the files~ xD

I think a seperate thread is better.

[hopes 237]

Sera is a girl? I have no idea... I just can't wait to find out!! ^.^

[Detective Kudo 28]

I think a seperate thread is better.

or we can merge the two topics once the file is over

[Officer Kaoko 142]

or we can merge the two topics once the file is over

That's what I had in mind. xD

[dreznovk 5]

The new file is released now, i think it's time to merge both topic

[Scar Akai 65]

So topic maker, you might want to change the topic description. We now know that Sera's a 'she'

[Chekhov MacGuffin 1089]

Thanks to HADAA for pointing this out. (Later Edit: and Abs. for telling me about it)

Many of you are familiar with the whole Akai Shuichi is a pun on Char Aznable thing. Well, it turns out Char Aznable had a sister, Sayla Mass. The original Japanese name is セイラ マス or Seira Masu. The similarity between Seira Masu and Sera Masumi is hard to ignore. Put that with the eyes look alike thing and that's more than enough evidence to convince me Sera is Akai's younger sister.

Assuming Sera is Akai's little sister, this situation strongly reminds me of how the Eisuke arc played out. Akai went missing so now Sera has come to investigate what happened. I am not sure how she found out Conan was involved, but her suspicion and interest in him makes complete sense if she knew Akai and Conan were seen together before Akai disappeared. She would look into Conan like Eisuke did while looking for Hidemi.

Knowing this, where could the plot go now? Sera could run into scar Akai and mistake him somehow. In that case, the plot would really get rolling because Bourbon might try to use her or kill her. I think this is the most likely plot choice.

Sera meeting with Okiya and uncovering that he is Akai would be a dead end plotwise unless Sera is being followed. In the Eisuke arc, Conan was suspicious that Eisuke was unknowingly being used by the Org to find Hidemi, but that turned out not to be the case. If Bourbon knows about Sera, then he could be using her as an unwitting bait for Akai, and in the process of following her stumble across her investigation of Conan and take interest in it himself, leading to the showdown with him.

In any case, Sera's presence will trigger Akai to do something once he finds out she is in Japan looking into his death/disappearance. Akai doesn't have much of a choice because Sera is investigating Conan and Shinichi which will bring her to Shinichi's house eventually. Akai can't ask the FBI to help since they think he is dead, also with Bourbon wandering around looking like scar Akai, he has to do something to protect her before she meets scar Akai and becomes a target.

I also think that Sera is going to drive the Ran's suspicion plot that has been waiting in the wings since the start of the Bourbon arc. Back during the Shiragami case (V62 chaps 650-651), Heiji used Shinichi's fingerprints on his omamori as evidence to show "Shinichi" was a plastic surgery lookalike. Shinichi/Conan's fingerprints got on Heiji's omamori in the first place when Conan pulled the handcuff link pieces out of the bag to show Ran that they blocked Numabuchi Kiichiro's stabbing attempt (V19-F8 188 pg 8). Ran remembers this incident in the sports bar case (V66-F8 693 pg 11), and asks Kazuha about the discrepancy: she knows Conan handled the omamori a long time ago, but when did Shinichi handle it?

Basically, when Sera becomes serious (if she isn't already) about trying to uncover Conan is Shinichi, she may either tip off Ran about her suspicions or her investigations may be noticed by Ran and result in Ran's suspicion. Conan will have to work to deceive Ran and Sera because I doubt Conan will want Sera in the loop about the effects of APTX. Note that this situation closely parallels the question of Akai's fingerprints on Conan's cellphone (and Conan may try to resolve it in a similar fashion.) The appearance of suspicious Sera suggests to me that the Bourbon arc is going to start building towards a conclusion since both halves of the plot (Ran's suspicion, and Okiya/Scar Akai) are now in play and will likely reach a climax at the same time (e.g. a dual confrontation with the Org/Ran's suspicion arc).

[Stopwatch 36]

While I do agree with most of what you're saying I don't think that Sera knows anything about the Conan-Shinichi connection. She probably is investigating Conan but in 771:

Sera doesn't seem that interested when Ran's classmates mention 'Kudo'. She seems maybe slightly curious but nowhere near enough to be suspicious. However that'll probably change once someone else gives more info. The thing I don't get though is that in 770 when it's mentioned who's on the phone Sera just thinks 'Kudo Shinichi' not in a questioning manner like 'Kudo... Shinichi?' but like a statement of something she knows. I just can't figure out how to get it all to fit together...

[Chekhov MacGuffin 1089]

While I do agree with most of what you're saying I don't think that Sera knows anything about the Conan-Shinichi connection. She probably is investigating Conan but in 771:

Sera doesn't seem that interested when Ran's classmates mention 'Kudo'. She seems maybe slightly curious but nowhere near enough to be suspicious. However that'll probably change once someone else gives more info. The thing I don't get though is that in 770 when it's mentioned who's on the phone Sera just thinks 'Kudo Shinichi' not in a questioning manner like 'Kudo... Shinichi?' but like a statement of something she knows. I just can't figure out how to get it all to fit together...

Regardless of what she knows now about Shinichi and Conan, eventually Sera is going to start putting two and two together.

I think it makes sense to look at it from the angle that Sera is probably trying to figure out where/how/why Akai disappeared to. She came in knowing Conan's name and that he was extremely bright and a detective in his own right, a fact which she most likely knows from whatever source told her Conan and Akai had worked together just before Akai vanished. (Which is why she would bother investigating Conan in the first place.) Conan appeared in front of a host of FBI during Red vs. Black, perhaps she grilled one of those agents. This of course leaves her the unresolved question of what the hell was the FBI doing working with a six/seven year old kid.

If I were Sera, I would want to test out Conan's abilities and see what kind of person he was because it is hard to believe FBI would cooperate with a first grader. She purposefully threw the case to lure Conan's intelligence out, but then Conan brings this Kudo Shinichi into the picture. Sera left Japan before Kudo became famous one year prior to the current timeline, so she might only know him from investigations of the people around Conan. Now that Sera is alerted to Shinichi's existence, she has another lead to chase down: a high school detective makes more sense than an elementary school detective. Perhaps Conan is Shinichi's proxy, and Shinichi had to do with Akai's disappearance. How much she has gone into Kudo Shinichi between cases is unknown, but I suppose the translation will give some indication.

[Rye 122]

Hello guys!

I've been browsing the wiki, and I read hte article about Sera Masumi. She is a new character in Detective Conan, and she seems mysterious. Like the article said, she could be Bourbon. She could also be Akai's sister, or even both.

I just want to know more about her... And, I've been thinking about it, but the chance is really low, does she know Conan's true identity? She might also be an FBI, or a CIA agent, but the chance of it being true is also low.

So, what do you guys think about it?

[Rom Yui 16]

I think she's Akai's sister or somehow related to him, not only cos she has his eyes, but also from her background, she said she had lived in Americana three years ago, also Shuichi akai lived in America before, and I don't think she's Bourbon or nether an enemy, Conan said "That person's not an enemy, or somehow I feel like we've met somewhere before" and, "It mite be that person resembles someone I know, that's why the feeling we've met before is on my mind". And it could be that person is Akai.

Anyone who think Sera is FBI or CIA agent, don't you think it's too young for her age?

I don't know if she learnt of Conan true identity, but I think she's still suspecting him...

[Chekhov MacGuffin 1089]

We have been clubbed over the head with so many hints that Sera is Akai's sister in the last four chapters it's not even funny now. Geez, Gosho, you are making it too easy! Sera has a friendly, silly, extroverted personality while Akai is an introverted stoic. I bet the family interaction is hilarious. Sera reminds me a bit of Jodie, I wonder if Akai left Jodie for Akemi because he realized his affection for Jodie was more like how he treated his sister?

[Officer Kaoko 142]

Well, I am glad as to see more of Sera . I won't vote now until further clues are shown .

The possibility for Sera to be Akai's little sister just keeps increasing (nice found about the reference, Chek (Abs. and HAADA) ). This case is really interesting... I am on standby for the next file. But there may be another possibility... I am curious about Sera's parents ... do they really exist? Or it was just a made up . There's a possibility that both of her/their parents are dead.

It's hard to imagine that Akai has parents... *imagines the entire family with bags beneath their eyes *

I can't believe that I just imagined Akai's mother chubby woman, with long curly hair, and big breasts ...

All what you said makes sense, Chekhov .

It seems that she really is Akai's little sister. I thought there is some possibility that she is Akai's niece or something like that. But siblings most likely ~

[Aeyra 260]

Where'd you get the new emoticons Kaoko?!

[Detective Kudo 28]

We have been clubbed over the head with so many hints that Sera is Akai's sister in the last four chapters it's not even funny now. Geez, Gosho, you are making it too easy! Sera has a friendly, silly, extroverted personality while Akai is an introverted stoic. I bet the family interaction is hilarious. Sera reminds me a bit of Jodie, I wonder if Akai left Jodie for Akemi because he realized his affection for Jodie was more like how he treated his sister?

thats just it, its too easy! i think there will be a definite twist,plus the similarity with the Eisuke arc is incredible. P.S didn't anyone notice on the covers of the Jeet Kune Do files there was the UK flag! the same dramatic plot will happen that Chek mentioned most then likely, but who she is has to be different, its just too predictable. What if she was an investigator looking into the BO and and catches wind of scar Akai and she becomes bait or a tool for the BO(without her knowing), along with suspisions from Ran and others will hit the surface along with other unanswered loose ends, Maybe Kudo's name will get in papers for a case somehow, Conan will have to use some antidote and not only cover his butt, but protect his friends with the help of Okiya (Akai). He also has to take the offensive and find out what the org really is, along with the boss? Maybe some of that is simply what i want to happen, but still he will defiantly take some offense, and i do think the series will start to wrap up after this arc, which will turn out to connect with Bourbon and be called the Bourbon arc.

[CrazyFanOfDC 0]

hey guys... refer back to chapter 770 right after Sera made the mistake and argued awhile with Takagi-kun. you can see her saying 'what a mistake i made' while looking at Conan and his phone. Sounds suspicious huh? However, at chapter 773, whatever in Sera's thoughts ('Moreover, right in front of the girlfriend who believes in you' etc etc) doesn't sound like Sera is someone bad.. we can cancel out B.O. with that. She must be someone intelligent, knows about Conan and Agasa but not Kudou Shinichi, and not so interested in Kogorou.

Any suggestions? Sorry if i made any mistake because I can't really tell who she is...

[Akazora 293]

hey guys... refer back to chapter 770 right after Sera made the mistake and argued awhile with Takagi-kun. you can see her saying 'what a mistake i made' while looking at Conan and his phone. Sounds suspicious huh? However, at chapter 773, whatever in Sera's thoughts ('Moreover, right in front of the girlfriend who believes in you' etc etc) doesn't sound like Sera is someone bad.. we can cancel out B.O. with that. She must be someone intelligent, knows about Conan and Agasa but not Kudou Shinichi, and not so interested in Kogorou.

Any suggestions? Sorry if i made any mistake because I can't really tell who she is...

No, your theory is fine.

I'm still sticking with the Sera is Akai's sister theory.

I think she's investing her brother's "death", and is starting with Conan.

[Balthazar Manfredie 226]

It's a she, probably from England, and may have some connection to the London arc and Kudo's dad may have sent her to help with the investigation, maybe. Maybe they have some interest in taking down the BO

Could be that she knows eisuke or has a alias do to akais job

[Balthazar Manfredie 226]

could be that she knows eisuke or has an alias do to akais job

[hopes 237]

No, your theory is fine.

I'm still sticking with the Sera is Akai's sister theory.

I think she's investing her brother's "death", and is starting with Conan.

How does Sera know about Conan then?? And that Conan knows about the FBI? Did Jodie, Camel or James tell her??