Wannai Kinuho

Wannai Kinuho (湾内 絹保) is a minor character introduced in the Toaru Kagaku no Railgun sidestory. She is an Academy City esper with level 3 hydrokinetic abilities. She is often seen together with her friend Awatsuki Maaya.

Appearance
She has short wavy light-brown hair, she also has blue eyes. Her bust size is large enough for Mikoto to become jealous over, and is the larger between her and Maaya.

Personality
She is shown to be kind, and is also considerate and forgiving of other's flaws. She is also seen to be respectful towards a senpai, especially towards Mikoto, who she is thankful for saving her. She also has diverse knowledge on swimsuits.

Background
She is a Tokiwadai Middle School student, and is part of the swimming team of her school, along with her close friend Awatsuki Maaya. She is also a classmate of Shirai Kuroko. She resides in the School Garden dormitory of Tokiwadai, just like Kinuho.

When she just transferred into Tokiwadai, she was harrased by delinquents and was too afraid to do anything, she was however saved by Misaka Mikoto.

Level Upper Arc

 * Main article: Level Upper Arc

She appears alongside Maaya, when Shirai Kuroko and Misaka Mikoto were forced to clean the empty pool as punishment. As members of the swimming team they were supposed to check the pool's filtration system, where she meets Mikoto for the first time since she saved her, she quickly shows her gratitude, and along with Maaya is excited by her presence. She later converses with Mikoto and shows-off her powers over water, where Mikoto says it was useful, this however makes Kuroko upset. They leave but returns shortly, where they witness Mikoto electrocuting Kuroko for being perverted, they leave after they see the awkward situation.

In the manga adaptation, they appear only after defeat of the AIM Burst; however in the anime, they appear before the existence of the Level Upper is even confirmed by the city.

Both Maaya and Kinuho appear again in episode 13 of the anime, where they recruit both Kuroko and Mikoto for a swimsuit modeling photoshoot. After many bizarre situations they are given duties to cook curry, however it is revealed that both of them don't know how to cook curry. They later ask Kongou Mitsuko (who lied to everyone that she can cook curry) to teach them; after suffering many inconveniences, Mitsuko finally told them that she does not know how to cook curry, they are somehow forgiving of her and later ask Konori Mii to help them. They were able to cook seafood curry and were able to become friends with Mitsuko.

Poltergeist Arc

 * Main article: Poltergeist Arc

She and Maaya reappear during the Tokiwadai Midsummer Festival, where it is revealed that they reside in the School Garden dormitory instead of the dormitory where the festival is being held. They were invited by Mitsuko to enjoy the festival. They later see Mikoto's violin performance.

Kinuho later reappears practicing in the swimming pool with other members of the swimming club, Maaya gives her a towel after finishing her swimming and later both state the desire to visit Mitsuko in the hospital she was in (as she was injured by the Poltergeist occurrences in the city).

They appear in the prologue of the anime adaptation, listening on how Mitsuko has apparently solved the Poltergeist Incidents.

Silent Party Arc

 * Main article: Silent Party Arc

Kinuho once again plays a supporting role during the arc. Here, she is first seen with Mitsuko and Maaya. The two girls in the swimming are tasked by their upperclassman, to which Mitsuko readily helps. Later, they come upon a purse snatcher that is easily dispatched by Mitsuko and her Aero Hand. After Mitsuko requests for Kinuho and Maaya to call Anti-Skill, Aritomi Haruki arrives to berate Mitsuko for using her powers. Kinuho and Maaya arrive just in time for Haruki to wow the crowd with his reasoning, they try to make their case but Haruki disappears before they can mount an intelligent discourse.

They later aid their upperclassman again, this time in the Academy City Research Exhibition Assembly venue for the preparation of said assembly. Later, they meet up with Mikoto's group and there make friends with the mysterious girl they brought, Febrie. When Febrie became lost in the venue, the girls participated in her search. Later, when they part ways Mikoto, she and the other two girls see Haruki. Wanting to tell them 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 Kinuho and Maaya try to plead to her to take them, though feeling guilty with this, she convinces them let her go. Worried about her, the two later call Mitsuko. They being left out by Mitsuko would serve as a catalyst for Mikoto to eventually ask the aid of her friends against Academy City's Darkness. Mitsuko 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 enquired 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. Thye 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.

Kinuho and Maaya later tag along with Mitsuko going to Judgment 177 Branch Office. This is after she 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. Mitsuko 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, Kinuho and Maaya decide to help the others along with Mitsuko.

Mitsuko, 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, Kinuho and Maaya show their mettle by teaming up, with Kinuho using her Hydro Hand while Maaya uses her Float Dial. They use their powers to take advantage of the Powered Suit's simplistic AI, drawing their attention as so they can lure it towards Mitsuko, who finishes them off. She later hears that Aritomi Haruki has launched the AIM bomb on Academy City. After the Sisters secretly helped out on the calculations, Kinuho watches as Mitsuko and Maaya do their part in performing the specifications on how to launch the Ekaterina II S into space. With Mitsuko 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. They later witnesse the debris of her mecha fall into a shower down on the city.

Toaru Majutsu no Index
They appear in the manga during the morning of August 30, just after breakfast. Here, Kinuho tries to get Mikoto's attention but is stopped by Maaya, as she sees Mikoto is in deep thought and should not be bothered (actually thinking about the newest chapter of the manga she is following).

Toaru Kagaku no Railgun OVA
While Shirai Kuroko comes to Kongou Mitsuko and Awatsuki Maaya to investigate about the "Someone's watching " situation, Wannai is present at the time. Wannai explains to Shirai along with Maaya about how one of their elders in the swim club is being stalked.

Toaru Majutsu no Index Movie: Miracle of Endymion
She, Maaya, and Mitsuko are together in the night, where she is amazed by Mitsuko being chosen to be Mikoto's partner for the three-legged race in the Daihaseisai. She later witnesses Marie, Mallybath and Jane kidnapping Arisa, and most likely helped out Index whose hands and mouth are frozen.

Abilities
She is a level 3 Hydro Hand, an aquakinesist, and it is shown to control small amounts of water in a way to form a miniature waterspout.

In her combination battle with Maaya against Baba Yoshio's robots, it is shown that she requires a body of water to use her powers, and once it is scattered on the ground she will not be able to make use of it. Kinuho can only control four separate clumps of water at the same time, though it is shown she has great difficulty for every clump she tries to control. Furthermore, once she controls water, she can still control it despite being out of her sight, or taken inside a container.

Quotes

 * "Boys are frightening..."-Kinuho in a flashback.
 * "Girls are also frightening..."-Kinuho after witnessing Mikoto's torture of Kuroko.