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{{Misaka Mikoto}}
{{Nihongo|'''Misaka Mikoto'''|御坂 美琴|Misaka Mikoto}} (born May 2nd<ref name=MikotoManiaxQA1/>) is one of the main heroines in ''[[Toaru Majutsu no Index]]'' and the main protagonist of ''[[Toaru Kagaku no Railgun]]''. Introduced in the first volume of the light novels, her role in the story was later expanded in the third volume as well as the release of the ''Toaru Kagaku no Railgun'' manga, making her the main female character of the science side and the second main heroine of the entire series as a whole.

She is the third ranked [[Level 5]] [[esper]] in [[Academy City]], and has been nicknamed '''[[Electromaster#Railgun .28special move.29|Railgun]]''' due to her signature move. [[Kamijou Touma]] coined the nickname {{Nihongo|'''Biri-Biri'''|ビリビリ}} (a Japanese onomatopoeia imitating the sound of electricity), while in the English dub she is referred to as "Bug Zapper" (or more usually, simply "Zapper"), and whenever the two meet, he usually calls her that, even after his amnesia.<ref name=IndexV6Ch1Pt3>{{Qvl|Index|L|6}} Chapter 1 Part 3</ref><ref name=IndexV17Ch1Pt4>{{Qvl|Index|L|17}} Chapter 1 Part 4</ref><ref name=IndexV18Ch6Pt5>{{Qvl|Index|L|18}} Chapter 6 Part 5</ref>

==Appearance==
Mikoto has chestnut hair and is often seen wearing a small hair clip (firstly a rather simple one in the early stages of the story. It then was changed to one with two little flowers since the [[Tree Diagram Remnant Arc]], specifically, from [[Toaru Majutsu no Index II Episode 06]] in the anime, or [[Toaru Majutsu no Index Manga Chapter 058]] in the manga). Her eyes are the same color as her hair. She is also shown to have a complex regarding her chest, feeling inferior when compared to girls with bigger bust sizes. She wears the [[Tokiwadai Middle School]] school uniform, sporting white loose/slouch socks and brown loafers with a light brown vest sweater over a white blouse and a grey skirt. She is also known to always wear shorts under every skirt and dress she wears, which surprises an amnesiac [[Kamijou Touma]] as she is the only girl who wears shorts over her panties.

==Background==
[[File:Young_Misaka.jpg|thumb|Mikoto gave a sample of her DNA to Academy City scientists at a young age.]]
Mikoto is the daughter of [[Misaka Tabigake]] and [[Misaka Misuzu]]. She entered Academy City in elementary age,<ref name=MikotoManiaxQA28>[[Toaru Kagaku no Railgun - Misaka Mikoto Maniax]] Misaka Mikoto's Big, Big, Big Secrets Exposed! Q&A 28</ref> and distinguished herself as a child prodigy, initially starting out as a Level 1 and climbing her way up to a Level 5 esper.<ref name=RailgunCh5>{{Qcl|Railgun|5}}</ref><ref name=RailgunEp7>{{Qal|Railgun|E|7}}</ref><ref group=Notes>Kamachi later says in the ''Dengeki G's Magazine August Issue Misaka Mikoto Character Interview ft. [[Kamachi Kazuma]] & [[Fuyukawa Motoi]]'' that Mikoto started as a Level 0. It is unclear if this is a mistake or a retcon.</ref> This made her a perfect candidate for the [[Sisters Project]], which held the intent of cloning her for military use. Mikoto willingly gave a DNA sample to the researchers of the project after being told that it would help people who suffer from muscular dystrophy, a fatal disease.{{CiteH}}

<!--First Year Arc-->
[[One Year Ago|One year before the main story]],<ref name=RailgunCh131/> she enrolled in [[Tokiwadai Middle School]] at the age of 12,<ref name=MikotoManiaxQA30/> apparently as a Level 3.<ref name=OginoLv3A>{{TwTrack}}[https://twitter.com/gouranga_/status/1640714752312897537 Ogino Kentarou, Twitter]</ref><ref name=OginoLv3B>{{TwTrack}}[https://twitter.com/gouranga_/status/1641461058119548929 Ogino Kentarou, Twitter]</ref> Possessing a high compatibility with Tokiwadai's curriculum, Mikoto quickly grew in power,<ref name=OginoLv3B/> becoming a Level 5 that same April, albeit the lowest ranked at the time,<ref name=MikotoManiaxQA30>[[Toaru Kagaku no Railgun - Misaka Mikoto Maniax]] Misaka Mikoto's Big, Big, Big Secrets Exposed! Q&A 30</ref><ref name=RailgunCh137.5>{{Qcl|Railgun|137.5}}</ref><ref name=RailgunCh131>{{Qcl|Railgun|131}}</ref> and achieved her current third ranking by August.<ref name=BiohackerSSCh5Pt10>[[Toaru Majutsu no Index SS: Biohacker]] Chapter 5 Part 10</ref> In her first year, she lost a 10,000 yen bill due to [[A Certain Vending Machine]], probably explaining her propensity for kicking it.<ref name=RailgunCh32>{{Qcl|Railgun|32}}</ref><ref name=RailgunCh131>{{Qcl|Railgun|131}}</ref> On July 14th, she encountered and had a brief conversation with [[Ibotanokikouji Kaede]], who had been falsely claiming to be the [[Number Six]], with Mikoto not taking much notice of the claim or being bothered by it.<ref name=ItemV1Ch3Pt3>{{Qvl|Item|L|1}} Chapter 3 Part 3</ref> In one fateful event, she saved her future friend Shirai Kuroko from a robber by using her 'Railgun' ability.<ref name=RailgunCh17s2>[[Toaru Kagaku no Railgun Manga Chapter 017 special 2]]</ref><ref name=RailgunEp5>{{Qal|Railgun|E|5}}</ref>

Kuroko eventually enrolled at Tokiwadai as well and gained great affection for Mikoto. Mikoto later became roommates with Kuroko in Room 208 - despite Kuroko being her junior - after Kuroko 'legally' removes Mikoto's previous roommate who was supposedly ill-natured towards Mikoto.{{CiteH}}

Being a Level 5 esper as well as a student with consistently high grades, Mikoto is known as '''Tokiwadai's Ace'''.{{CiteH}}

==Chronology==
===Toaru Majutsu no Index===
{{Main/C|Misaka Mikoto/Chronology (Toaru Majutsu no Index)}}
Mikoto's role initially was that of a minor character known to [[Kamijou Touma]] before his memory loss. In her reappearance after Touma's memory loss, she acts as the main heroine along with her [[Sisters]]. Like with the ''Toaru Kagaku no Railgun'' side story the [[Sisters Arc]] marks a turning point for her character, which is later heavily explored in later appearances, far and few they may be, as a character that has a crush on Kamijou Touma but cannot properly express it. An example of this is her overhearing of Touma promising to [[Etzali]] that he will protect her and the world around her. Her role as such remained as is for her earlier appearances, with her getting involved little with Touma's adventures and even then completely unaware of what's truly behind the surface.

It is not until her discovery with Touma's memory loss that she tries to become actively involved with Touma. Moreover, in spite of Touma's insistence on not getting her involved, Mikoto only persists. Her crush, furthermore, blossoms even more. Mikoto's character involvement in the plot was not of the more significant story unfolding but with her continual association with Kamijou Touma. This finally goes to head during the climactic ending of ''Toaru Majutsu no Index'' with [[World War III]], where she goes out of her way to go to the battlefields of Russia to find Touma and bring him back. She later fails in her goal, as Touma refuses her rescue in order to save the world. Despite being a Level 5, she is powerless to save Touma and bring him back to Academy City, though she has not given up on him as shown in ''Shinyaku Toaru Majutsu no Index''.

===Shinyaku Toaru Majutsu no Index===
{{Main/C|Misaka Mikoto/Chronology (Shinyaku Toaru Majutsu no Index)}}
As an extension to her role from ''Toaru Majusu no Index'', Mikoto continues her similarly in ''Shinyaku Toaru Majutsu no Index'', with her constantly trying to aid Touma and the battles that he is in, making her an important supporting character. Touma eventually relents to her and brings her along for the [[Hawaii Invasion Arc|invasion of Hawaii]]. She proves her mettle, and Touma comes to trust her during battle. Much later Touma would allow her to join him if she chooses to, though doesn’t actively seek out for help.

It is not until the [[{{DCp|Gremlin}} invasion of Tokyo]], that she and even [[Index]] finally achieve getting Touma to believe in them, with him asking them to help her save [[Freyja]]. Much later, similarly to the [[Will of the Whole Misaka Network]], she becomes instrumental in helping Touma get rid of the emotional baggage he had felt towards the [[Omega World|Perfect World]], forcing him to look at the value of the world that they live in, the world he left behind another world for, and finally achieving bittersweet victory over him.

Since most of her focus is on Touma, Mikoto doesn’t actively seek out information or knowledge regarding the magic side, simply taking Touma or the other’s word for the importance of the situation that they are in.

However, in the recent arcs of the novel—Mikoto began to constantly search for knowledge of the world beyond Academy City. In New Testament Volume 15 she used the A.A.A despite her hesitations in order to save Touma from Kihara Yuuitsu. In fact, Mikoto having contact with the A.A.A was enough for Aleister to consider her a threat and cast a curse on her. After surviving the curse of Aleister, in the epilogue of New Testament Volume 17, it was revealed that Mikoto's story with the AAA will continue. Although instead of Military weapons, Mikoto will alter the A.A.A's weaponry by construction attachments. So far as the series progresses ever since New Testament Volume 13, Mikoto's character became more involved to the plot and is seen as the only heroine from the Old Testament to have constant importance and involvement in the recent arcs.

===Toaru Kagaku no Railgun===
{{Main/C|Misaka Mikoto/Chronology (Toaru Kagaku no Railgun)}}
Despite the highly different tones of the original manga and the anime adaptation, Mikoto's role in the story, as the protagonist of ''Toaru Kagaku no Railgun'' involves with her dealing with the darker elements of [[Academy City]], sometimes with a little help from her friends.

In spite of her power as the third-ranked Level 5 of Academy City, she is continually challenged by both situations and enemies that test the limits of her character. She first gets involved in an incident with people using the [[Level Upper]], and though she helped in stopping the incident, it foreshadowed the darker side of Academy City. The turning point is, of course, the [[Sisters Arc]], where she is shown to be utterly powerless against not only the first-ranked Level 5, [[Accelerator]], but of the greater conspiracy that surrounds Academy City, her, and her clones, the [[Sisters]]. She experiences growth, humbled by her experience, that despite her power as a Level 5 there are things she cannot solve on her own and that she needs help. Kamijou Touma, who has recently lost his memories including of her, represents this character growth in the form of a crush on him.

Even after the resolution of the Sisters, conspiracies from the [[Dark Side of Academy City]] are still brewing up to take her down.

===Toaru Kagaku no Mental Out===
====Tokiwadai Election Arc====
{{Main/Tokiwadai Election Arc}}{{UncertainPositioning|Page-related}}
{{Expand|Fine-tuning - Interrogation, Relic battle}}
[[File:Mikoto's Dismay.png|thumb|left|Mikoto, after losing her Gekota strap.]]
On a day in October, during the run-up to the [[Tokiwadai's Student Council Election|Tokiwadai student council presidential election]], two girls from opposing candidates tried to obtain Mikoto's support, and one of them ended up using their ability on the other, tearing Mikoto's Gekota strap from her bag and blowing it away.<ref name=MentalCh6>{{Qcl|Mental|6}}</ref> The next day, the day before Shokuhou was challenged to compete in the election, she was in a depressed state at the loss, something which did not go unnoticed.<ref name=MentalCh1>{{Qcl|Mental|1}}</ref><ref name=MentalCh6/> After a failed attempt by the [[Kamino Clique]] to recruit her with a counterfeit, [[Gaouin Tsukasa]] returned the lost strap to Mikoto after a search through the artificial forest, with Mikoto subsequently agreeing to support her in the election.<ref name=MentalCh6/>

When this fact was broadcast schoolwide during a confrontation between Gaouin and [[Shokuhou Misaki's clique]] (whom she had challenged),<ref name=MentalCh2>{{Qcl|Mental|2}}</ref> Mikoto was hunted by the clique on the orders of Shokuhou, who wanted to question her about why she was supporting Gaouin in the election. After evading capture for a while via her powers and Kuroko's interference, she was caught after they used Gekota merch to distract her while throwing a net on her. She ended up arguing with Shokuhou and refusing to admit to why she was helping Gaouin, as well as questioning why Shokuhou even wanted to be president since it wasn't her thing.<ref name=MentalCh3>{{Qcl|Mental|3}}</ref>

[[File:Maids seen by Mikoto, barred from the building.jpg|thumb|Mikoto noticing the maids locked out of the building.]]
Sometime later, Mikoto was reading news about alleged threats and rumors of an alliance between Shokuhou and Gaouin, beginning to regret cooperating and recalling how no good came from dealing with cliques. She then noticed a group of [[maid]]s who had been locked out of a building they were supposed to clean, which had actually been sealed off as part of the rival candidates' ambush against Shokuhou and Gaouin.<ref name=MentalCh9>{{Qcl|Mental|9}}</ref>

[[File:Mikoto opening door for maids (Mental Out Ch13).jpg|thumb|left|Mikoto opening the electronic lock for the maids.]]
Around the time that Shokuhou's preparations had turned the tide against the ambushers, Mikoto opened the electronic lock on the entrance to Building 2 for the maids, with her approach prompting the nearby [[Relic]] in [[Kokuchou Mayui]]'s hands to activate [[Synthesize Grid]].<ref name=MentalCh13>{{Qcl|Mental|13}}</ref> Feeling a large amount of static electricity in the air as a result of the nanometal particles filling the building, after an initial discharge on reflex, Mikoto sensed and pushed the maids out of the way of an invisible attack. Figuring out the mechanism, she attempted to use a corona discharge to cause electro-precipitation of the metallic particles. The Relic-influenced Kokuchou then revealed herself, declaring it a mistake as the Synthesize Grid consumed the esper power she was exerting and materialized chunks of [[Shadow Metal]]. Reminded of the [[Level 6 Shift attempt on Misaka Mikoto|incident during the Daihaseisai]], Mikoto increased her power, but briefly experienced a scene of her becoming impaled by spikes. This image was immediately by the arrival and deployment of the other Relic, in the hands of [[Kouzaku Mitori]], in a manner that reminded her of Touma.<ref name=MentalCh14>{{Qcl|Mental|14}}</ref>

{{TSP}}As the two Relics clashed, Mikoto witnessed space warping and caught glimpses of [[Imaginary Number District|other places]]. With the risk of a local collapse from the escalating clash and the difficulties of escaping with the maids, Mikoto decided to break through the Synthesize Grid's consumption with a saturation attack, and as ice broke through the ceiling, fired several Railgun shots in quick succession, breaking through the ice and the barrier, and causing heavy damage to the building.<ref name=MentalCh15>{{Qcl|Mental|15}}</ref> Kouzaku helped her escape the collapsing buillding and get the maids to the infirmary, after which the two went to the injured Shokuhou's side.<ref name=MentalCh16>{{Qcl|Mental|16}}</ref>
{{Clr}}

==Other Appearances==
===Side Stories===
====Toaru Majutsu no Index Light Novel Volume SS2====
{{Main/OA|Toaru Majutsu no Index Light Novel Volume SS2}}
=====The Third Friday of September=====
Apparently wanting something from the [[Bank]], Mikoto decides to use her powers to hack into it, bypassing the security measures and defenses that the Goalkeeper, Uiharu Kazari, has implemented to stop regular hackers, under the belief that those whose job it is to secure it won't cut access to the Bank as it would be too costly. She would be indeed proven right, as Kazari refuses to cut her access to the Bank.<ref name=IndexSS2Ch14>{{TrackTag79}}[[Toaru Majutsu no Index Light Novel Volume SS2]] Chapter 14</ref>{{TrackTag107}}

Seeing that her enemy is an [[Electromaster]], and that there was no way for her to prevent such a high-level intruder from accessing the Banks, and moreover with her keen desire to protect the peace of the city, Kazari proves Mikoto's predictions, as instead of cutting her access she instead decides to [[encrypt]] the entirety of the Bank, its server controls, and maintenance tools with the [[Omega Secret]], virtually rendering the data she might get useless. Mikoto is shocked by the turn of events, and seeing that it would be too dangerous for her to access the back-ups for the Bank that she believes exists because she thinks no one would be crazy enough to encrypt the Bank using that method, Mikoto decides to withdraw, though believes that whoever encrypted the Bank would be in big trouble.<ref name=IndexSS2Ch14/>

====Toaru Jihanki no Fanfare====
{{Main/OA|Toaru Jihanki no Fanfare}}
[[File:Fanfare - Misaka & Sogiita.jpg|thumb|190px|Mikoto challenging Gunha to a duel.]]
Mikoto meets up with the 7th level 5, [[Sogiita Gunha]], and challenges him to a duel with stipulations. She uses a depowered Railgun on him, which is later caught by Gunha by the teeth. They later call it a draw, though both remarked that they would surely have lost if it was a true fight.<ref name="Jihanki">[[Toaru Jihanki no Fanfare]]</ref>

====Toaru Majutsu no Index: Love Letter Competition====
{{Main/OA|Toaru Majutsu no Index: Love Letter Competition}}
Bundled with [[Rainbow Spectrum Colors]], the short story focuses on [[Kumokawa Seria|Kumokawa Seria's]] letter for [[Kamijou Touma]], hither Mikoto eavesdrops on a conversation between [[Tsukuyomi Komoe]] and [[Yomikawa Aiho]] regarding Touma's love letter. Coincidentally, the letter blows away from Komoe's possession, to which Mikoto tries to grab hold it until she is interrupted by [[Misaka 10032]], wanting the letter for herself. Temporarily disabling Kuroko to hide the existence of her clone, Misaka 10032 confronts Mikoto for the letter, and later argues, however, the clone later begins arguing with the other clones in the network, to which Mikoto could only look bemusement. All the while, the letter blows away from them.

====Toaru Majutsu no Index: Road to Endymion====
{{Main/OA|Toaru Majutsu no Index: Road to Endymion}}
Mikoto appears sporadically, failing once again to get Touma's number. She becomes a key component for the mystery surrounding [[Ureapaddy Exica|Ureapaddy Exica's]] actions, as after the effects of the [[Debris Storm]], her call to Kuroko redirects to Touma, which she reveals how it is used by Academy City.

====Shinyaku Toaru Majutsu no Index SS====
{{Main/OA|Shinyaku Toaru Majutsu no Index SS}}
Mikoto and Kuroko are in the shopping district that Index also goes to, leading to a bunch of misunderstandings thanks in part due to Touma’s advice to Index, with Index assuming Mikoto wants Touma’s money and Kuroko becoming suspicious with Mikoto for being violent in back alleys. In the end, a truck passes by before the girls creating a draft, leading to Mikoto and Kuroko’s skirts to be blown upwards.<ref name=ShinyakuSSPt1>[[Shinyaku Toaru Majutsu no Index SS]] Part 1</ref>

Seeing this, and the fact that Index has seen the handiwork of a [[Leep|magician]] in play, Index offers the money to them, to “pay-off” trouble, as Touma advised, much to Mikoto’s chagrin. They of course later decline her offer.<ref name=ShinyakuSSPt2>[[Shinyaku Toaru Majutsu no Index SS]] Part 2</ref>

===Anime Appearances===
====Toaru Majutsu no Index Movie: Miracle of Endymion====
{{Main/OA|Toaru Majutsu no Index Movie: Miracle of Endymion}}
Using her meeting with her in ''[[Toaru Majutsu to Kagaku no Ensemble]]'', [[Meigo Arisa]] calls for Mikoto to become her bodyguard as she goes to a photo-shoot at the behest of Touma. Mikoto later protects Arisa from debris as an [[Automaton]] bombs the mall they are in. She tries to aid the other people but is incapable of doing so. However, a [[miracle]] happens, and Mikoto is surprised by this. Later, Ruiko later calls her while she researches about the [[Orbit Portal Company]], the company behind [[Endymion]], that Arisa has been abducted.

Mikoto later visits Touma in the hospital to relay to him that she couldn't find Arisa's whereabouts as well. She later leaves after [[Stiyl Magnus]] and [[Tsuchimikado Motoharu]] arrive. When she returns, she discovers that Touma has gone, much to her chagrin.

She later arrives with Kuroko to break through Endymion that have been sealed by [[Ladylee Tangleroad]] and is later instructed by Uiharu Kazari to break one of the explosive bolts of the Endymion in order for it to be released and prevent its collapse. She later escapes as the Endymion begins breaking away.
====Toaru Kagaku no Railgun OVA====
{{Main/OA|Toaru Kagaku no Railgun OVA 01}}
In the OVA Mikoto is tormented by the dread of someone always watching her, pushed to the edge she decides to confront the feeling herself. With the help of her friends, Mikoto discovers that the culprit is an [[Anti-Skill]] member she frequently runs into, using a device that exploits the abilities of Electromasters, making them feel that they are being watched by someone. When the culprit flees using a motorboat, Mikoto uses her Railgun to stop her.

====Toaru Majutsu no Index-tan====
Mikoto makes regular appearances in the bundled comedy shorts. In the [[Toaru Majutsu no Index-tan Episode 01|first episode]], she appears in reused animation cells to viewers to conserve electricity and some such nonsense and then saying some for other of a Japanese onomatopoeia of electricity.

In the [[Toaru Majutsu no Index-tan Episode 02|second episode]], Mikoto appears during the climactic scene of the [[Sisters Arc]], asking Misaka 10032 for assistance to protect Touma's dream, however, she could only look in confusion, as Misaka 10032 could only blankly stare and giggle at her. In the penultimate sketch, Mikoto asks questions to a series of clones and slaps one of them when she disproves of their answers, later, they announce the making the ''Toaru Kagaku no Railgun'' anime, which she says to the audience to look forward to it.

In the [[Toaru Majutsu no Index-tan Episode 03|third episode]], Mikoto is only briefly seen in the re-usage of the scenes in the [[Tree Diagram Remnant Arc]], and interposed with [[Saten Ruiko]] doing something incredibly mundane.

In the [[Toaru Majutsu no Index-tan Episode 03|fourth episode]]. In a parody of her confrontation with [[Musujime Awaki]], she attacks the people Awaki uses to shield herself, declaring them not innocent. Take note that the people are {{W|otaku}}.
====MMR: Motto Marutto Railgun====
{{Expand}}{{TrackTag73}}
===Video Game Appearances===
====Toaru Majutsu no Index (PSP game)====
{{Main/OA|Toaru Majutsu no Index (PSP game)}}
Mikoto is a playable character in the game and able to use her Railgun and electric attacks. She also has a few melee attacks in her arsenal. Mikoto has a secret route unlockable only with a special file (or through the use of dummy files) given to players of the game.
====Toaru Majutsu no Virtual-On (game)====
{{Main/OA|Toaru Majutsu no Virtual-On (game)}}
Mikoto is one of the playable characters in the ''Toaru Majutsu no Virtual-On'' video game. Her associated Virtuaroid is [[w:c:voot:Raiden|HBV-502-H8 Raiden "Judge Igniters"]].<ref name=Sega>
[http://vo-index.sega.jp/chara/index03.html Misaka Mikoto, Toaru Majutsu no Virtual-On, Sega]</ref>

==Non in-universe appearances==
===Anime Appearances===
====Durarara!!====
[[File:Durarara!!_E10_Shiping_talk.jpg|thumb|120px||right|Nowhere is safe from shipping arguments.]]
In [[w:c:durarara:Durarara!! Episode 10|Episode 10]] of ''[[w:c:durarara:Main Page|Durarara!!]]'' [[w:c:durarara:Erika Karisawa|Erika Karisawa]] and [[w:c:durarara:Walker Yumasaki|Walker Yumasaki]] are arguing about who will become the starring heroine of the series with Walker believing it to be Biri-Biri and Erika disagreeing, believing it to be [[Himegami Aisa|Himegami]] instead. Each is holding the first volume of the [[Toaru Kagaku no Railgun Manga Volume 01|Railgun manga]].

====Ookami-san to Shichinin no Nakamatachi====
[[File:Ookami-san Misaka Mikoto.jpg|thumb|120px|left|Misaka Mikoto is shown in Ookami-san]]
Mikoto appears briefly in [[w:c:ookamisanandhersevencompanions:Episode 8|episode 8]] of ''Ookami-san and her Seven Companions'' (also produced by JC Staff Animation Studios), angrily crackling electricity and her knuckles at the audience, as a potential bride candidate for the boy millionaire Nezumi Chuutaro.

====Shakugan no Shana====
[[File:Yuji's_friends_shirts.png|thumb|120px|left|Yuji's two friends with Mikoto and Index on their shirts.]]
In ''Shakugan no Shana S'', one of Yuji's friends was wearing a T-shirt with Mikoto on it while another one wore a T-shirt with Index on it.

====Mayoi Neko Overrun====
[[File:Mayoi Neko Overrun Misaka Mikoto.png|thumb|100px|right|Misaka Mikoto is standing on the Bus]]
In [[w:c:mayoinekooverrun:Mayoi Neko Overrun! Episode 01|episode 1]] of ''[[w:c:mayoinekooverrun:Mayoi_Neko_Overrun!_Wiki|Mayoi Neko Overrun!]]'', Misaka Mikoto appears briefly seen on the bus.

===Video Game Appearances===
====Dengeki Gakuen RPG: Cross of Venus====
Mikoto appears as an unlockable playable character in the game. The player needs to meet certain conditions for her to appear. When she appears Mikoto needs to be defeated for her to join the team. As a playable character, she can use several of her trademark attacks, such as the Railgun and iron sand sword.

====Lunatia====
[[File:Misaka Mikoto Lunatia.jpg|thumb|Mikoto as seen in ''Lunatia'']]
Mikoto is one of the NPC characters that will assist the player in the Japanese version of the Korean {{W|MMORPG}} ''Lunatia''.<ref>[http://game.goo.ne.jp/news/items/2009111302luna.html 御坂美琴がペットに!?『ルナティア』×「とある魔術の禁書目録」コラボ]:Game goo News (Japanese) Retrieved on 3 October 2011.</ref> Furthermore, within the game is a "[[Gekota]] doll" item.

====Lucent Heart====
The Japanese MMORPG [http://lh.gamania.co.jp/entrance/ Lucent Heart] developed by Gamania Digital Entertainment disclosed that Touma, along with Index and Mikoto would be added as "selectable skins" for the players to use.<ref>[http://news.dengeki.com/elem/000/000/344/344746/ とうま！ 『禁書目録II』とPC『ルーセントハート』のコラボが実現なんだよ！]: Dengeki News (Japanese). Retrieved on 25 February 2011.</ref>

====Shin Megami Tensei: IMAGINE====
Mikoto appeared in the Japanese version of the online adaptation of the ''[[w:c:megamitensei:Shin Megami Tensei (Series)|Shin Megami Tensei series]]'', ''[[w:c:megamitensei:Shin Megami Tensei IMAGINE|Shin Megami Tensei IMAGINE]]''. She was available from January 14, 2010, to February 10, 2010. The player can accept quests from her in [[w:c:megamitensei:Third Home|Third Home]] with a slight connection between the two series. Despite the character design of the ''Shin Megami Tensei'' series, Mikoto retained her design in the game.

====Dengeki Bunko Fighting Climax====
Mikoto is one of the 12 original playable characters in the [[Dengeki Bunko Fighting Climax|game]]. She fights mainly by using her electricity and iron sand attacks, but she also throws pieces of concrete using magnetism in one of her specials and steel beams in one of her Climax Arts. Her iconic Railgun is her other Climax Art, while the similarly iconic scene of her kicking the vending machine is her Trump Card.

====Dengeki Bunko Crossing Void{{TrackTag32}}====
Like Fighting Climax, in this gacha-RPG game, she returns as one of the playable characters (Main and Support, with Swimsuit and Summer variants).

====BanG Dream!====
[[File:Mikoto x Kasumi @ final phase.webp|thumb|Mikoto alongside ''Poppin'Party'' Leader [[w:c:bandori:Toyama Kasumi|Toyama Kasumi]]]]
Mikoto makes a guest appearance on the cover art of the song [[final phase]] (covered by ''[[w:c:bandori:Poppin%27Party|Poppin'Party]]'') for ''[[w:c:bandori:BanG Dream! Wikia|BanG Dream!]]'''s [[w:c:bandori:A Certain Band%27s Sports Festival☆|A Certain Band's Sports Festival☆]] collaboration.

====Blue Archive====
Mikoto appears as an playable character for [[w:c:bluearchive:Blue_Archive|Blue Archive]]'s [[w:c:bluearchive:A_Certain_Scientific_Record_of_Youth|A Certain Scientific Record of Youth]] collaboration.

==Character Art Designs==
===Design Evolution===
Mikoto's design has changed little over time, only becoming more deformed to fit with the light novel format illustrations. Mikoto's design, most specifically the loose socks, is derived from the dated {{W|Kogal|kogyaru}} culture, which [[Haimura Kiyotaka]] did as to try to capture the gaps in the trends that populate Academy City in contrast with the outside world.<ref name=RS1>[http://r-s.sakura.ne.jp/w/i01.htm Rainbow Spectrum]: notes on Volume 1, [https://forums.animesuki.com/showpost.php?p=4164911&postcount=18430 translated] by js06 and posted on Animesuki by user hao-sama</ref>

Due to Mikoto's increasing prominence in the series, and due to Haimura's preference, Mikoto's hairpin changes during volume 6, to mark the evolution of her position in the series, this is carried over to all media adaptations.<ref name=RS2>[http://r-s.sakura.ne.jp/w/i06.htm Rainbow Spectrum]: notes on Volume 6, [https://forums.animesuki.com/showpost.php?p=4179191&postcount=18504 translated] by js06 and posted on Animesuki by user hao-sama</ref> By Volume 12, the deformed look has become more apparent, with Mikoto, and along with other characters, getting bigger heads, and shorter arms and legs.<ref name=RS3>[http://r-s.sakura.ne.jp/w/i11.htm Rainbow Spectrum]: notes on Volume 12, [https://forums.animesuki.com/showpost.php?p=4179191&postcount=18504 translated] by js06 and posted on Animesuki by user hao-sama</ref> For her winter outfit, Haimura drew her design to contrast with [[Takitsubo Rikou]], her traditional look in comparison to Rikou's fancy look, as well as the concept that Mikoto just chosen clothes for winter arbitrarily without thinking.

For her appearance in the 3rd New Testament volume, Haimura had her wear the outfit that he drew for her in {{W|Pixiv}}, along with [[Hamazura Shiage]].

For her appearance in the ''Toaru Kagaku no Railgun'' manga, Haimura gave out details to Mikoto's design. From her clothes, hairstyles, up to her expressions that are common in manga.

===Gallery===
<gallery widths="150" hideaddbutton="true">
Mikoto vol1.jpg|Original Character Design by Haimura Kiyotaka for [[Toaru Majutsu no Index Light Novel Volume 01|Volume 1]].
Mikoto vol 3.jpg|Character Design for [[Toaru Majutsu no Index Light Novel Volume 03|Volume 3]].
Ilp33.jpg|Design of Mikoto's head with the hairpin for [[Toaru Majutsu no Index Light Novel Volume 06|Volume 6]].
Mikoto vol 12.jpg|Character Design by Haimura Kiyotaka for [[Toaru Majutsu no Index Light Novel Volume 12|Volume 12]].
Mikoto vol20.jpg|Character Design by Haimura Kiyotaka for [[Toaru Majutsu no Index Light Novel Volume 20|Volume 20]].
Mikoto_design_NT3.jpg|Character Design by Haimura Kiyotaka for [[Shinyaku Toaru Majutsu no Index Light Novel Volume 03|NT Volume 3]].
Icd 01.jpg|Character and accessory designs, by Haimura Kiyotaka.
Icd 02.jpg|Facial designs, by Haimura Kiyotaka.
Icd 03a.png|Character designs, by Haimura Kiyotaka.
Icd 23.jpg|Level 6 Shift attempt design, by Haimura Kiyotaka.
Icd 24.jpg|Level 6 Shift attempt design, by Haimura Kiyotaka.
Icd 25.jpg|Level 6 Shift attempt design, by Haimura Kiyotaka.
Heroines' dresses.jpg|[[Shokuhou Misaki]], [[Index]] and Misaka Mikoto's character designs by [[Haimura Kiyotaka]] for ''[[Shinyaku Toaru Majutsu no Index Light Novel Volume 22 Reverse]]''
c3.png|''Toaru Majutsu no Index'' anime Character Design.
<!--Misaka Mikoto - Toaru Kagaku no Railgun Misaka Mikoto Character Art Design.jpg|''Toaru Kagaku no Railgun'' anime Misaka Mikoto Character Art Design.-->
<!--Misaka Mikoto - Art of a Certain Scientific Railgun.jpg|Art of a Certain Scientific Railgun.-->
File:Misakamikotorailgunprojectdesign.jpg|''Toaru Kagaku no Railgun'' anime Character Design.
mikoto.jpg|''Toaru Kagaku no Railgun'' anime Character Design as seen in the DVD/BD Booklets.
mikoto_bikini.jpg|''Toaru Kagaku no Railgun'' anime Character Design for Mikoto's swimwear as seen in the DVD/BD Booklets.
mikoto_kuroko_yukata.jpg|''Toaru Kagaku no Railgun'' anime Character Design for Mikoto's yukata design as seen in the DVD/BD Booklets.
mikoto_maid.jpg|''Toaru Kagaku no Railgun'' anime Character Design for Mikoto's [[maid outfit]] design as seen in the DVD/BD Booklets.
Misaka Mikoto - Index Manga Profile.jpg|''Toaru Majutsu no Index'' manga design / profile.
MikotoT_body.png|''Toaru Kagaku no Railgun T'' anime Character Design (Body)
MikotoT_face.png|''Toaru Kagaku no Railgun T'' anime Character Design (Face)
Ensemble mikoto-shirai.jpg|''[[Toaru Majutsu to Kagaku no Ensemble]]'' profile with [[Shirai Kuroko]].
IndexPSPmisaka.png|''[[Toaru Majutsu no Index (PSP game)]]'' profile.
MisakaMikoto-RailgunPSPProfile.png|''[[Toaru Kagaku no Railgun (PSP game)]]'' profile.
MisakaMikoto-ToaruKakiNoCampaign.png|Artwork by Haimura Kiyotaka of Misaka Mikoto, the 1st-ranked character in the poll, signed by [[Kamachi Kazuma]], [[Fuyukawa Motoi]], and [[Kogino Chuuya]].
DengekiBunkoFightingClimax Misaka.png|''[[Dengeki Bunko Fighting Climax]]'' profile.
MisakaMikoto-RailgunSBooklet.jpg|Misaka Mikoto's character profile for the Railgun S anime from the eighth BD/DVD booklet.
Dengeki Bunko 3000 - Misaka Mikoto.png|Swimsuit Misaka Mikoto drawn by Haimura Kiyotaka, celebrating Dengeki Bunko's breakthrough of 3000 series.
Misaka Mikoto & Raiden "Judge Igniters" (Virtual-On game).jpg|Misaka Mikoto, as she appears in ''[[Toaru Majutsu no Virtual-On (game)|Toaru Majutsu no Virtual-On]]'', with Raiden
Mikoto & Saten trading card.jpg|Saten and Mikoto, drawn by [[Haimura Kiyotaka]] to celebrate Dengeki's 20th Anniversary
Misaka Mikoto Dengeki 25th Anniversary.jpg|Artwork by Haimura Kiyotaka of Misaka Mikoto, the illustration for Dengeki 25th Anniversary
Misaka Mikoto (Index III Anime Design).png|Toaru Majutsu no Index III anime design.
Misaka Mikoto (Dengeki Daioh April 2020 Issue Wallpaper).png|Artwork by Haimura Kiyotaka of Misaka Mikoto, the illustration for Dengeki Daioh April 2020 Issue wallpaper.
Misaka Mikoto Birthday.png|Artwork by Haimura Kiyotaka of Misaka Mikoto, the illustration for her birthday, May 2nd.
Black Bunny Girl Mikoto (Twitter).jpg|Misaka Mikoto in a bunny girl outfit, drawn by Haimura Kiyotaka.
</gallery>

==Trivia==
*According to the interview on Kamachi Kazuma featured in ''[[Toaru Majutsu no Index no Subete]]'', the author states Mikoto is the one whom he would want to choose as his friend among all Index characters.
*According to an interview her birthday is May 2, making her a Taurus ♉.<ref name=MikotoManiaxQA1/> Mikoto (and her clones) have blood type AB.<ref name=IndexSS2Ch13>{{TrackTag79}}[[Toaru Majutsu no Index Light Novel Volume SS2]] Chapter 13</ref>{{TrackTag107}} Mikoto shares her birthday with her Japanese voice actress, Satou Rina whose birthday is also May 2.
*According to ''[[Toaru Kagaku no Railgun - Misaka Mikoto Maniax]]'', Mikoto's three sizes are B78 W56 H79.<ref name=ManiaxU5>[[Toaru Kagaku no Railgun - Misaka Mikoto Maniax]], MIKOTO ULTIMANIA Pg.5</ref><ref name=OginoBust>{{TwTrack}}[https://twitter.com/gouranga_/status/1292051325614612481 Ogino Kentaro, Twitter]</ref> She was also born in {{W|Kanagawa Prefecture}}, where her mother lives.<ref name=ManiaxU5/>
*Mikoto has been ranked first on the annual light novel guidebook ''Kono Light Novel ga Sugoi!'' female character rankings for five consecutive years (2010-2014), a record achievement for any light novel character. She ranked second in the 2015 poll but regained the top rank in 2016, 2017 and 2018.
*She came in first in the ''Toaru Sakuhin no Convention'' character poll of the ''[[Toaru Kaki no Campaign]]'' event.
*In "A Certain Collaboration," a crossover-novel written by Kamachi Kazuma and Fushimi Tsukasa, author of ''Oreimo'', Kousaka Kirino, the main heroine of ''Oreimo'' hailed Mikoto as "The Pride and Heroine of Dengeki Bunko."
*The China-based video sharing site {{W|Bilibili}} has several references to Misaka Mikoto. The name of the site originated from Mikoto's nickname "Biri-Biri." One of the site's features includes giving "coins" for user contributions, which is a reference to her frequent usage of coins when using her Railgun. Lastly, the site celebrates Mikoto's birthday every 2nd of May.
**In addition, users of this site are ranked from level 0 to 6, with level 6 only available by paying for a VIP account, which may be a reference to the Esper levels.
*Mikoto was among the characters that were featured on a set of ''Toaru''-themed [[Tarot]] cards were released by Animate for the series 20th anniversary. The cards were based on the [[Major Arcana]] of the {{W|Rider–Waite Tarot|Rider-Waite}} deck, and Mikoto's card was {{W|Wheel of Fortune (Tarot card)|Wheel of Fortune}}, with the image used being from ''{{Qvl|Shinyaku|L|13|Shinyaku Toaru Majutsu no Index Volume 13}}''.<ref name=Animate>[https://www.animate.co.jp/onlyshop/511721/ Animate]</ref><ref name=ShinyakuV13>{{Qvl|Shinyaku|L|13}}</ref>

==Quotes==
*{{QuoteTrack|(To Touma after he negated her electrical attack, from [[Toaru Majutsu no Index Light Novel Volume 01|Volume 1]]): ''"Really, what's with that? Such a power doesn't even appear in Academy City's databank. If I am a 1-in-328,571 prodigy, then aren't you, the only one in Academy City, a 1-in-2,300,000 disaster?"''}}{{QuoteRef}}
*{{QuoteTrack|(To Touma who is confused as to what she's talking about, from [[Toaru Majutsu no Index Light Novel Volume 03|Volume 3]]): "''...Hm, maybe I think I shouldn't be saying nonsense. But as long as the weak whimper, the strong will swagger... that's what I believe. Why are you different? Even here in Academy City, there are only seven Level 5s, and while each of them has the 'power' to easily twist a man's arm, just why were you chased all over town by even a street rogue's unleashed chihuahua?''"}}{{QuoteRef}}
*{{QuoteTrack|(While having a "fake date" with Touma, from [[Toaru Majutsu no Index Light Novel Volume 05|Volume 5]]): “''…Oi, do you understand the situation right now? How do we look like a couple right now? Just studying and leaving the girl at the side, do you think this is male-dominant medieval Europe or something?''”}}{{QuoteRef}}
*{{QuoteTrack|(To Touma who is about to go to battle once again, from [[Toaru Majutsu no Index Light Novel Volume 16|Volume 16]]): "''The feelings people go through waiting for you, have a taste of it at least once! Lay down on the hospital bed and try knowing the feeling of a person who can't do anything but watch from a safe distance! It was the same when you saved the Sisters. You told me to ask you for help, then you alone go to challenge Academy City's strongest Level 5. Why won't your own ideologies apply to yourself as well? Why are you the only one not asking for help!?''"}}{{QuoteRef}}
*{{QuoteTrack|(To the bomber pilot as Mikoto threatens him, from [[Toaru Majutsu no Index Light Novel Volume 20|Volume 20]]): “''Sorry about that. I’m pretty pissed off, so I can’t guarantee that I’ll hold back next time. Take me to Russia. It’d be great if you would just do your job as you were originally supposed to.''”}}{{QuoteRef}}
*{{QuoteTrack|(To the pilot as she prepares to parachute down, from [[Toaru Majutsu no Index Light Novel Volume 21|Volume 21]]): “''This isn’t an issue with how risky it is. If one side is putting all their efforts into killing a normal high school student and the other side is putting all her efforts into saving that normal high school student, which side do you want to be on? Which side could you proudly say you were on?''”}}{{QuoteRef}}
*{{QuoteTrack|(While grabbing on to Touma, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 02|NT Volume 2]]): ''"But this time, you aren't alone."''}}{{QuoteRef}}
*{{QuoteTrack|(To [[Accelerator]] during their unlikely alliance in Hawaii, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 03|Shinyaku Toaru Majutsu no Index LN Volume 03]]): ''“...Then naval reinforcements can be called in. I have a lot I want to say to you, so I’d rather not get bogged down here."''}}{{QuoteRef}}
*{{QuoteTrack|(To Brunhild during their battle, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 06|NT Volume 6]]): ''"You don’t need a good reason to save a friend. If you want to save them, then save them. …I know someone who kept saying those stupid things even when he was driven to the brink of death, and he really did save over 10,000 people in the end. And that idiot that saved so many people is trying to save someone today like always. I know I can’t stop him. No matter how much I don’t want him to do anything dangerous, seeing him off with a push to the back is the sign of a good woman!"''}}{{QuoteRef}}
*{{QuoteTrack| (To Touma during their fight, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 10|NT Volume 10]]): ''“There’s no reason to fall off the cliff while bound by meaningless principles and ideologies. If you’re reaching for the happiness you alone believe in, it’s fine to choose the best arguments for the situation. It doesn’t matter if you have to spit on your own words, as long as it all works out in the end.”''}}{{QuoteRef}}
*{{QuoteTrack| (To Touma after launching High Priest into the outer space, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 13|NT Volume 13]]): “I didn’t do anything. I’m not saying that on the level of using my power to throw rubble around or to hijack the mass driver’s firing sequence. ''This entire incident was between you and that monster called the High Priest.'' There was never a place for me here.”}}{{QuoteRef}}
*{{QuoteTrack| (To herself after returning in Tokiwadai, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 13|NT Volume 13]]): “He’s so far away!!!!!”}}{{QuoteRef}}
*{{QuoteTrack| (To herself while thinking Touma, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 15|NT Volume 15]]): "At the very least, there is a line that leads there. He isn’t in Ryugu-jo or Kaguya-hime’s palace. He climbed to that stage himself, so there has to be a line leading there. The answer has to be right in front of my eyes. But how do I see it? How can I change my viewpoint?"}}{{QuoteRef}}
*{{QuoteTrack| (To Salome during their confrontation, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 15|NT Volume 15]]): “More. Give me more. This has to be taking me in the right direction. ''I can’t understand you at all as I am, so if I can overcome you, I can find the next stage I’m looking for''!!"}}{{QuoteRef}}
*{{QuoteTrack| (To Touma after initiating the conversation with her, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 15|NT Volume 15]]): “The standard would be arresting techniques, aikido, self-defense, or fencing to focus on my Iron Sand Sword, but if I want to go more the Railgun route, maybe sharpshooting or archery would be better. Well, I guess anything’s fine ''as long as it’s useful.''”}}{{QuoteRef}}
*{{QuoteTrack| (To Touma while saving him from Kihara Yuuitsu, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 15|NT Volume 15]]): “I’m sorry. I’m sorry for wanting some excitement and wanting to leave the normal rails without knowing what that meant. If this is because of me…because I asked for this…then…uuh…”}}{{QuoteRef}}
*{{QuoteTrack| (To herself after using the A.A.A. to save Touma, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 15|NT Volume 15]]): “There are no barriers! The possibilities are endless! There’s so much! There’s so much more for me!! So many clues to follow, so many heights to climb to, and so many summits to aim for!!”}}{{QuoteRef}}
*{{QuoteTrack| (To Touma after using a bottle of water to save him from the heat, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 16|NT Volume 16]]): "... I like to help defeat the Elements when I see a request for assistance. I’d like to know if Uiharu-san and Saten-san are okay, but finding them hasn’t been easy. So to help protect anyone I know, I’ve been working to eliminate as many of the Elements as possible in this area."}}{{QuoteRef}}
*{{QuoteTrack| (To Touma while being hugged by him, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 17|NT Volume 17]]): “I did help them. I revealed the existence of the A.A.A. I’d made for myself, I protected everyone in Tokiwadai, and I used what strength I had leftover patrolling outside the School Garden. I didn’t have to do that, but I still did it! But they said I was negligent. They said I didn’t do enough. And so they said they were making up for that… Why do I have to be criticized by people I’ve never even meeeeeeeeeeeeeeeeeeeeeeeet!!!!!”}}{{QuoteRef}}
*{{QuoteTrack| (To Touma while bleeding and convulsing due to Aleister's curse, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 17|NT Volume 17]]): “You said you would defeat ''them''. You said they were formless malice, but that they could still be defeated. Then keep going. Use me as a stepping stone and continue on. I’ll do anything if it’s for that!!”}}{{QuoteRef}}
*{{QuoteTrack| (To Touma before heading back to the Tokiwadai dormitory, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 17|NT Volume 17]]): “I think I’ll have to use that thing a while longer. And instead of military weapons, I can put together some construction attachments…”}}{{QuoteRef}}
*{{QuoteTrack| (To Touma after she destroyed a wall of the Windowless Building, from [[Shinyaku Toaru Majutsu no Index Light Novel Volume 18|NT Volume 18]]): “There are lives that were saved just because you were here. There are people who were given courage just because you ran forward. So don’t hesitate!! I assure you that the path you walked was the right one and that it created a great many possibilities. If something about you is rejected as wrong, then I’ll open it all up and explain this to you!! So, so, so!! No matter what anyone says and no matter what logic they use against you! Stay true to your own paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaath!!!!!!”}}{{QuoteRef}}

==Notes==
{{RefNotes}}

==References==
{{scroll box|content={{Reflist|2}}}}

==Navigation==
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{{TclTrack}}<noinclude>[[Category:Characters]]
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