Wanigawa Raifu

Raifu (雷斧) is a character introduced in Toaru Kagaku no Railgun. Initially appearing as a competitor in the jailbreak trial, she is later revealed to be part of a group who used the event to engineer a real jailbreak.

Appearance
Raifu is a little girl with light hair. She wears a top with baggy sleeves.

Personality
She presents a facade of helplessness and cowardice, influencing people to come to her aid. However, as Yamashiro Shoubu has noted using his power, she reeks of malice, which is proven later by her vicious beating of him. She is willing to attack and kill her own subordinates.

Background
At some point, Raifu became part of a group with Kimi, Tsurigane and Aohoshi. Kimi was captured and imprisoned in a private juvenile hall, so the others plotted to break her out and to find a skilled hacker as well. Raifu and Tsurigane would take part in a jailbreak trial taking place at the juvenile hall. Raifu's role was to take out any powerful non-hacker competitors.

Jailbreaker Arc
Raifu was a participant from the very beginning of the competition, and likely took advantage of Misaka Mikoto and the others creating an opening in the outer wall of the facility. Inside the girl's building, she met Yamashiro Shoubu, who wears a tanuki mask which she constantly mistook for a bear, while fleeing from guard robots. Raifu took advantage of him, allowing him to bear the brunt of the facility's security system.

She was later separated from him and chased by centipede robots, coming across Mikoto's group as they are surrounded by more robots. However, she snuck past them and went off without any of them noticing where she went. Her whereabouts were unknown for the remainder of the trial, which ended with Uiharu Kazari successfully hacking the facility and breaking out the target prisoner, who had actually been switched with her imprisoned comrade Kimi.

During festivities afterwards, she encountered Yamashiro Shoubu again and was asked to follow him into a secluded area. There the 'masked hero' threatened her with his wooden sword, sensing how she reeks of malice. Not long afterwards, she beat him up, showing her true colors. She later met up with Aohoshi, Tsurigane and Kimi in an abandoned building, happy that the latter was finally free.

Raifu plays cards with Kimi and Tsurigane. Aohoshi then tells them that she has found the registration data of the winner, Uiharu Kazari. The girls are amused on how she was able to hack the system. Raifu comments on how Uiharu was with the Railgun, which suprises Kimi when she is informed that the Railgun is the third-ranked Level 5, and there are now seven Level 5s in the city since she was incarcerated. Kimi eventually wins the card game.

Raifu and the others kidnap Uiharu and take her away in a recreational vehicle (RV). Raifu mentions that Uiharu's capture was easy, but Tsurigane says that it is at times like these that they should be ready for anything. However, the RV is attacked and brought to a halt by Kuroko and Mikoto, who are attempting to rescue Uiharu. Kimi unleashes her dragon to fight Mikoto. The dragon transforms Mikoto's iron sand into a white substance and then charges at her, forcing Kuroko to teleport her away. Raifu coughs and complains about something salty (presumably the white substance). They then flee in two other vehicles, using the entrance-way road that leads to School District 11.

Raifu waits near a garage in District 11, setting a trap for Mikoto. She pretends to be a helpless girl and has a subordinate pretend to take her hostage. Mikoto doesn't fall for the trick, so Raifu decides to reverse the hostage situation. The subordinate is angered and tries to shoot Raifu, but the bullet pierces her own foot instead. Raifu then runs into the garage with Mikoto in pursuit. They engage in battle.

Abilities
Little has been shown of Raifu's abilities, but she was able to defeat Yamashiro Shoubu after he picked up on her malice. She was also able to take out many of the competitors in the jailbreak trial without them noticing.

Raifu seems to have the ability to redirect attacks, in a manner that is comparable but not the same as Accelerator's Vector Control. Anything that would hit her, such as a bullet or a falling car, instead changes trajectory and hits someone else.

Raifu is also capable of overpowering a girl who is both taller than her and armed with a gun.