Mahiro

Mahiro is the only female Ninja of Iga (Female Ninja or Kunoichi).

Appearance
She has long wavy black hair and brown eyes. She wears a black ninja suit  and a red roll-on. She is very buxom. She equips a knife and shuriken

Personality
He loved her sister and is very loyal to Ieyasu. She is not evil. Before his sister death (four years before), she was a kind and smiling girl and fell in love with Kyo, when he came to Muramasa's house to obtain '''Tenro. ''' As a fierce kunoichi, she is usually seen with a stoic expression. However, in reality, she is a gentle and kind young woman who is somewhat shy in revealing her softer feminine side (evident when she presented herself to Benitora wearing a kimono). It is strongly hinted that she loves her master, Hidetada Tokugawa (Benitora).

Background
She has a sister named Mayumi, (Muramasa's wife). Mayumi was attacked by Chinmei and was killed giving Demon Eyes Kyo the Muramasa. But Mahiro only saw Kyo with a bloody sword and her dead sister. She decided to take revenge.

Plot
Four years later, she is a trained ninja and sets out to kill Kyo. When she, Benitora (Red Tiger) and Sasuke Sarutobi catch up to the third gate, Mahiro overhears Chinmei telling the story about him and Kyo's meeting. She discovers that it was Chinmei, not Kyo, who killed Mayumi.

Anime
In the anime, a Kenyo attacked her as she gave Kyo the sword and asked him to kill her with it - Mahiro saw Kyo killing her sister, but she didn't know Mayumi asked Kyo to kill her. W hen she fought Kyo and discovered the truth, she was going to kill herself, but Kyo stopped her. He told her that she should live on to avenge her sister).

Abilities
Mahiro is a spiders manipulator and a kunoichi (a female ninja).

She use a knife and shuriken as a weapons

- Willpower
With only willpower, Mahiro was able to move a broken arm and hit Chinmei.

- Disguise
Mahiro can take the appearance of a person (for example Yuya)

- Burial site
Mahiro throws poisonous spiders opponent.

- Spider Web (or threads)
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Used to immobilize the opponent.

- Lost Spider Technique: The Secret Technique Arachnid Puppeteer
 Spider venom paralyzes the victim’s nerves and controls their actions allowing the puppeteer to control them wholly by spider silk threads.

Trivia

 * Muramasa is not the brother of Mahiro (Mahiro consider him as a brother because she, Mayumi and Muramasa are like a real family). Mahiro has only a sister, Mayumi (Muramasa's wife).