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Kongou Mitsuko (婚后 光子 Kongō Mitsuko?) is a minor character introduced in the Toaru Majutsu no Index light novels before being expanded upon as a recurring character in the Toaru Kagaku no Railgun manga. Being a Tokiwadai Student and Level 4 Esper, her pride often result in her getting involved in unfortunate situations which however overshadows her obviously strong abilities.
On her debut in Volume 8, her character design was never shown until the anime aired. Furthermore, she makes her debut earlier in the anime than in the manga, the latter makes her move into Tokiwadai Middle School in the middle of summer.
Her most distinguishing feature is her prominent forehead which is flanked by two fringes of her black hair which is rather long and kept neatly. Mitsuko has an attractive and well endowed figure, which she proudly flaunts and shows off in revealing swimwear when she is able to. She almost always appears carrying around her fan. According to Ogino Kentarou, Kongou's bust size is 84.
She is proud of herself most of the time despite being newly transferred and possesses traits of a real ojou-sama, unlike Misaka Mikoto who is the complete opposite, because of this personality she is often at odds with Shirai Kuroko. Because of this personality however, she is completely unaware of common everyday things such as finding directions or how to use the proper tool for foodstuffs.
She often embellishes the truth for her own convenience and will try to stretch the truth until she can no longer keep up the facade, this was shown in episode 13 of the Railgun anime where she lies to her friends that she can cook curry wherein fact she didn't know how. Despite this she is an honorable and decent girl who looks out for her friends, is kind to children, and is willing to help people in need. This is displayed in episode 23 of the Railgun anime where she helps Mikoto after she was defeated by Therestina. She comes to her self-proclaimed rival/friend's aid a second time in episode 24 and fought by her rival Kuroko's side to buy Mikoto time to help Professor Kiyama save her students. During this battle, she and Kuroko come to grudgingly respect each other as warriors.
She also tends to warn her opponents by reminding them who she is and is confident of her own abilities. It is also worth noting that just like Kuroko, Mitsuko is "very" frank about her sexuality and loves to flaunt and show off her well-proportioned body; though in her case its justified by her part-time career as a swimwear model.
Her lofty attitude, however, is shown in a much lower degree in the Toaru Kagaku no Railgun manga shortly after her debut. Later in the latter half of Toaru Kagaku no Railgun S, Mitsuko's personality takes a dramatic turn, most likely to make Mitsuko's personality closer to her manga counterpart. Here, though she is still overconfident and boastful, she is now somehow more shy, helpful, and eagerly craving for more friends and to please them. Her animosity with Kuroko has disappeared, making Kuroko's animosity towards Mitsuko completely one-sided.
BackgroundEditMuch of her past is unknown though it is revealed that she led a life of luxury and was surrounded by doting servants when she was younger. She is the heiress of the Kongou Aviation Industry which was held in high regard by the aviation industry.
Eventually she came into Academy City and enrolled into its curriculum in another school. After being disappointed by her school she transferred into Tokiwadai Middle School after 1 year of preparation as a second-year student despite the apparent difficult of transferring to Tokiwadai Middle School.
She is currently residing in the Tokiwadai's dormitory located within the School Garden.
Toaru Majutsu no IndexEdit
Tree Diagram Remnant ArcEdit
- Main article: Tree Diagram Remnant Arc
She formally introduced in this arc, though only as a minor character. Mitsuko shows up boasting that herself will reach Level 5 before Kuroko, and then asks Kuroko whether she wants to start a faction with her in an attempt to gather political power within the school. Kuroko declined since if Mitsuko could actually create a faction of notable power the other factions would have crushed her already to prevent that happening. Then Mikoto's testing at the pool with her railgun ends up being heard where Kuroko and Mitsuko are, and Kuroko remarks if Mitsuko is only gathering members to further her own goals she better have the resolve to take on Tokiwadai's Railgun head on..
Daihasei Festival Arc (Index)Edit
- Main article: Daihasei Festival Arc (Index)
She briefly appears in the second season anime adaptation of Toaru Majutsu no Index as part of the Tokiwadai Middle School team that competes against Minamikawa Middle School in the ball-tossing competition. Here, she is seen with her fan laughing at and then insulting the opposing team. Her appearance is extended in the Toaru Majutsu no Index manga adaptation, where she uses her Aero Hand in the ball-tossing competition.
Shinyaku Toaru Majutsu no IndexEdit
- Main article: Element Arc
On December 8th, in the middle of the abnormal heat wave, she was present when Mikoto arrived at School Garden with Kamijou Touma in tow. Later that day, she and others remained behind to protect School Garden while an expedition set out to destroy the Crystal Tower that was seemingly guiding the Elements, but they fell victim to an Element attack led by Kihara Yuiitsu.
Kamisato Rescue ArcEdit
- Main article: Kamisato Rescue Arc
Kongou was later relocated to Heaven Canceller's Hospital together with the other Tokiwadai students. When Touma visited the shelter late on December 9th, she and her friends appeared to be enjoying building a cardboard house.
Toaru Kagaku no Railgun (anime)Edit
Mitsuko debuts on the very first episode of the anime, where she is seen boasting of her abilities to Shirai telling her that she will become Tokiwadai's ace. She is however falls to the ground after a powerful shockwave is emitted from the pool, here Shirai points to Mitsuko that it was the power of the true Ace of Tokiwadai, Misaka Mikoto.
Level Upper ArcEdit
- Main article: Level Upper Arc
Mitsuko is later attacked (or rather drawn on) by Juufuku Miho in her quest for vengeance against the students of Tokiwadai, later in the episode Mitsuko testifies to Anti-Skill Tessou Tsuzuri that she did not see the suspect even though she can be seen walking besides her, she tells this while holding up her fan to cover her forehead (as thick eyebrows were drawn on her).
Mitsuko plays a prominent role in the 13th episode of the anime, where she wears a quite daring swimsuit and a boa constrictor for a photo shoot along with many of the females of the anime. Throughout the entire photoshoot, Mitsuko acted quite seductively even in ridiculous environments. She later teams up with Wannai Kinuho and Awatsuki Maaya to cook curry, both of which were admirers of her. Because of this she lied to them that she can create an amazing curry to them. After much consideration and cooking mishaps, she swallows her pride, confesses to them that she is unable to cook curry. Both Kinuho and Maaya accepted this and they ask for help from the others. Mikoto gladly helps them, which makes Mitsuko admire her and 'allows' her to be friends with her.
Big Spider ArcEdit
- Main article: Big Spider Arc
She is later seen getting attacked by a Skill-outs faction known as Big Spider which uses Capacity Down to disable her, but is saved by Kurozuma Wataru. She later gives her testimony on her attack to Uiharu Kazari.
- Main article: Poltergeist Arc
During the height of the Poltergeist Incidents going around the city, Mitsuko becomes a victim and becomes hospitalized and was kept for observation in the MAR Base Research Laboratory. Later when Mikoto is defeated by Therestina Kihara Lifeline and is about to be taken away, Mitsuko uses her abilities off-screen to aid her. She later becomes part of the effort to rescue of the comatose Child Error students of Kiyama Harumi, and aids Shirai in defeating the MAR units and attempt to prove to each other which ability is better.
After the incident Mitsuko boasts to Kinuho and Maaya how she single-handedly stopped the Poltergeist Incidents much to their amazement.
Silent Party ArcEdit
- Main article: Silent Party Arc
Kongou Mitsuko is a central figure in the story, becoming involved with the threat on Febrie, and becoming a major influence to Mikoto in her decisions. She is first seen with the other two girls, help run an errand for their upperclassman. After a woman's purse is snatched away from her, Mitsuko beats the criminal through the use of her powers. Here, Aritomi Haruki comes upon her and makes an argument on how she shouldn't have used her powers because she might've failed. The argument wows the crowd and makes Kongou uncomfortable. Kinuho and Maaya arrive and try to defend Mitsuko, but Haruki slips away before they can mount an intelligent discourse.
She reappears in the venue for the Academy City Research Exhibition Assembly, once again helping Kinuho and Maaya with their upperclassman. Here, they are introduced to Febrie, a young girl who can easily make friends, and Mitsuko is ecstatic upon meeting her after she says that she will be Mitsuko's friend. She later aids Misaka Mikoto in finding Febrie after she becomes lost in the venue. She finds her first but somehow doesn't do anything as Febrie is attacked by run away Security robots, necessitating for Mikoto to intervene and save her. After they are reunited, Mitsuko brags on finding Febrie, but Kuroko says that she actually didn't do anything. Later, when they part ways Mikoto, she and the other two girls see Haruki. Wanting to tell him a piece of their mind, they opt to follow him. Here, they discover that he has a nefarious plot in store for Febrie. Mitsuko upon hearing this, tries to call Mikoto and the other girls but cannot connect with them. She later opts to find them, to which the other two tries to plead to her to take them, though feeling guilty with this, she convinces them let her go. She later arrives just in time to stop a run away Powered Suit with her ability, and witnesses Febrie collapsing.
She later comes along to visit Febrie, much to Kuroko's chagrin, as she is Febrie's friend. Mitsuko later tells them of what she experienced with the other two girls regarding the man wanting to take Febrie away. She later gets a call from the other two girls, worried sick of her. Mitsuko later leaves, telling the Mikoto and the others to give them the call if something happens. She later calls Mikoto to check on Febrie's condition, just as she ponders on the revelation that Febrie is an artificial human and is related to the dark side of Academy City. Here, Mitsuko contributes to Mikoto's revelation that she is not alone, when she begins going on about she didn't take Kinuho and Maaya's feelings in regard when she left. And thus, Mikoto begins involving her friends in the darkness of Academy City, Mitsuko included. She is later tasked in aiding Mikoto and the others help search for clues regarding the man who wants to reclaim Febrie in the Academic Assembly venue, but this time she brings Kinuho and Maaya along. Mitsuko later reports on their failure to Mikoto. When Mikoto says that they too have not yet found clues regarding the Powered Suit that attacked Febrie, she tells Mikoto that she'll help as well, saying that her father's company has a branch that works on Powered Suits. Apparently having free time from investigating the man who is after Febrie, Mitsuko, Kinuho, and Maaya, go out and buy a new dress for Febrie. They later go to the Judgment 177 Branch Office to see Febrie. There, they are inquired by the girls if they found any clues, and here they are forced to apologize for their failure Mitsuko tries to cheer everyone up by saying that they'll surely find a clue sooner or later. She later presents the gift to Mitsuko with much anxiousness, but becomes happy when Febrie readily accepts it. She later sees Febrie swoon as the poison that is accumulating her body is already too much for her to bear. Seeing this, Kazari tries to search for more clues on the computer. Misuko notices this, and when Kazari found a profile of Haruki, Mitsuko points out that he was the one they saw in the Assembly venue, to which Kinuho and Maaya confirms. They later discover Haruki's history with the Assembly.
She apparently checks up on the request to her father's company to investigate on the Powered Suits, to which she is informed that there have been at least 20,000 Powered Suits constructed by the STUDY Corporation. She later informs this to the girls at the same time Kazari discovers it as well. After deciding to take on STUDY and the Silent Party without any help at all from Anti-Skill for the sake of Febrie and Janie, Febrie's Sister, Mitsuko calls her father to ask him for the use of the Ekaterina II S mecha. She most likely handed out the manuals to Saten Ruiko and Uiharu Kazari after she was approved.
She, along with Kinuho and Maaya are the vanguard on one of the Assembly venue entrances as the Silent Party begins. They are later joined by a multitude of Judgment members. During the offensive against the Powered Suits controlled by Diffusion Ghost, Mitsuko shows her mettle, being one of the most powerful espers defending the venue, easily defeating several with her Aero Hand.
She is overjoyed when her Ekaterina II S arrives to the battle. After the Powered Suits are depowered, Mitusko later hears that Haruki has launched the AIM bomb on Academy City. After the Sisters secretly helped out on the calculations, she is later willing to use her father's mecha as a missile against the AIM bomb and later applies her Aero Hand upon the machine in line with the Sister's specifications. Exhausted, she is held up by Kinuho and Maaya as she activates her Aero Hand, launching the mecha into the upper atmosphere, and is used by Mikoto as her ammunition for her Railgun. She later witnesses the debris of her mecha fall into a shower down on the city.
She briefly reappears on September 2, while looking at the sky together with Kinuho and Maaya.
Toaru Kagaku no Railgun (manga)Edit
Three Stories ArcEdit
- Main article: Three Stories Arc
Although not exactly part of the arc, in the Railgun manga Kongou Mitsuko is introduced in the manga as a new transfer student in Tokiwadai Middle School.
Prior to the main events of the arc, she gets lost in the 7th School District and later bumps into Misaka Mikoto (who she has met for the first time) while she is being "courted" by Unabara Mitsuki. Similar to what Mikoto did with Touma, she uses Mitsuko as a way to get away from Mitsuki. They later hang-out together all the while with Mitsuko believing Mikoto's name as Mitsuki after Mikoto mistook her question, and at the same time confused why she is popular in the School Garden, not knowing she is a Level 5. She is later disappointed after Mikoto leaves her, realizing that they were only pretending to be friends.
Kongou later sees the Queen of Tokiwadai's clique with Maaya and Kinuho (who she meets for the first time) and later decides to make her own, after Maaya and Kinuho tells her in joining a clique in the school.
Much later, in a scene taken out of the prologue of Volume 8 of the Toaru Majutsu no Index Light Novel (which also appears somewhat in the first episode of the Railgun anime). Mitsuko brags to Kuroko on how she will create a clique during a System Scan, where Kuroko warns her about making a clique and later discovers the power of the 3rd Level 5, Misaka Mikoto (her identity still unknown to Mitsuko) who can dismantle a clique on her own.
Daihasei Festival Arc (Railgun)Edit
- Main article: Daihasei Festival Arc (Railgun)
However, Baba managed to put a mosquito robot unto Kongou in order to track her, while Ruiko takes her to the hospital. Mikoto, still under the surveillance of Misaki's clique, later discovers what happened to Mitsuko, and blames herself after what had happened to her. She later threatens the clique members following her, and using the mosquito robot that was attached to Mitsuko, tries to track Baba down.After the events of the story arc, Mikoto later visits Mitsuko in a certain hospital during the night on her own after visiting Misaka 10032 in the same hospital. Here, Mikoto apologizes for what happened to Mitsuko, to which she says that she doesn't regret what she did in choosing to aid Mikoto even if something worse befalls to her. Mitsuko says that she put her life on the line for her because she personally wanted to clear away Mikoto's troubles. She asks Mikoto if she knows about the saying of the peach and the plums, and tells her that "Peaches and plums cannot speak, but they will form a path leading to them". Mitsuko says that she still doesn't understand what that truly means yet, but says that her fondness for Mikoto's character is what led her to think about others. Mikoto says that she is not that great of a person, to which Mitsuko says that it what for people around her to decide. Mitsuko contrasts her situation with Mikoto, saying that she tried to show off how wonderful she is and yet no one recognized it leading to her being alone. Mikoto says that it isn't true at least to her or even Kinuho and Maaya. Hearing this makes Mitsuko happy, and asks Mikoto what she should do as she should feel terrible but says that she feels happy. As Mikoto leaves as the visiting hours have ended, Mitsuko says that she is glad to have transferred to Tokiwadai Middle School. Mitsuko later makes a recovery later, allowing her to participate with Mikoto again for the Daihaseisai.
Dream Ranker ArcEdit
- Main article: Dream Ranker Arc
This section requires expansion
- Main article: Jailbreaker Arc
This section requires expansion
MMR: Much More RailgunEdit
This section requires expansion
Toaru Kagaku no Railgun OVAEdit
- Main article: Toaru Kagaku no Railgun OVA 01
Mitsuko is first mentioned when Kuroko notices Mitsuko's trademark demeanor in one of the message boards on the internet, where victims of the Someone's Watching You urban legends congregate. She later appears in person, along with Kinuho and Maaya, where she is interrogated by Kazari and Kuroko, and is frightened on how they knew she posted on that particular image board. Here, she states that she was simply posting for help her two follower's swimming club senior member (Mitsuko didn't know her), an electromaster who also experienced the urban legends. But she got no information from that message board at all.
Toaru Majutsu No Index Movie: Miracle of EndymionEdit
- Main article: Toaru Majutsu no Index Movie: Miracle of Endymion
Mitsuko and her friends make a minor appearance in the movie. Here she brags about on how she is partners with Mikoto for the three-legged race for the Daihaseisai. She later witnesses Marie, Mallybath and Jane kidnapping Arisa, and most likely the one who helps out Index whose hands and mouth are frozen.
Her ability is Aero Hand (
It was later shown that Mitsuko doesn't need objects to propel, as she can use her powers on the ground to create ejection points of air to create powerful gusts of wind. Her ability is powerful enough to propel an entire satellite dish along with its tower, as well as an entire wall. 
Character Art DesignsEdit
- Episode 13 of the Toaru Kagaku no Railgun anime introduced Ekaterina, Kongou Mitsuko's female Boa constrictor. While Mitsuko was in her red swimsuit, she wore Ekaterina as a sort of feather boa replacement. This may be a reference to the pirate empress Boa Hancock of One Piece fame, as she and Mitsuko share similar features.
- In the manga of Toaru Kagaku no Railgun, during the Daihasei Festival Arc, Kongou was the only one to notice that the girl (one of Misaka's clones) taking Misaka's place in the paper balloon event was not actually her.
- In the anime adaptation of Toaru Kagaku no Railgun, her being the first victim of an incident is a recurring event.
- She is the favorite character of Railgun manga editor Ogino Kentarou.