Nifa

Nifa (ニファ) was a member of the Survey Corps fourth squad, under the command of Hange Zoë.

Appearance
Nifa was a relatively thin girl with short dark hair that had straight bangs and straight ends. She had bright eyes, was only slightly taller than Levi Ackerman and was usually seen wearing the standard Survey Corps uniform with the usual green hood. When dressed casually, she was seen to wear a filled, loose-fitting, long-sleeved dress with dark boots and a front laced corset at one point.

Personality
Nifa appeared to be a loyal person as she was allowed to record the details of Erwin Smith's meeting with Dot Pixis, and was then entrusted to pass the information to others. She acted serious most of the time but was still shocked at how Levi treated Historia. However, she was shown drinking what it can be assumed to be an alcoholic beverage before giving the report.

Clash of the Titans arc
After Hange's squad rescues group of Survey Corps recruits at Utgard Castle, Nifa is present when they return to Wall Rose. Upon ascending to the top of the Wall, Hange leaves Ymir, who was heavily injured at the castle, in Nifa's care. After the appearance of the Colossus and Armored Titans, Nifa helps tend to the soldiers on top of the Wall, scalded by the Colossus Titan's steam. She speaks with the worried Connie Springer and Historia Reiss, leaving them to take care of the wounded soldiers as she goes to engage the Armored Titan as part of Hange's squad. Nifa observes the battle, encouraging Eren in his fight against the Armored Titan, seemingly near defeat. However, the Colossal Titan falls off the Wall, dealing a devastating blow to the soldiers below.

The Uprising arc
Nifa is not seen again until after Eren is rescued and Levi's squad are at their new base. She sits silently with Hange and other members of her squad, while they are being told of the plan for Eren to seal Wall Maria by hardening his Titan body like Annie Leonhart was able to.

Nifa arrives during the meeting of Dot Pixis and Erwin Smith with a note informing Erwin that the Reiss family are the true rulers, and Historia is part of that bloodline. She then joins the meeting and begins to take notes on what they both say and on Erwin's orders.

She leaves the meeting and heads to Levi's location to deliver Erwin's instructions about replacing the King with Historia if Rod Reiss does not have satisfactory answers.

While Reeves' corpse is being transported, Nifa briefly converses with Levi about the plan to rescue Eren and Historia and his past with Kenny Ackerman before she is shot in the face and killed by the man himself, who is after Levi.

Return to Shiganshina arc
Later in the Battle of Shiganshina, as Erwin Smith begins to lament the dwindling hopes of his dream, Nifa stands among the many fallen Survey Corps comrades in Erwin's mind.

Trivia

 * Isayama has stated that Nifa and Armin Arlert were likely aware of their resemblance in looks with each other because it was often mentioned by others.
 * In a Q&A with FRAU Magazine, Isayama stated that Nifa was the most stylish member of the Survey Corps.

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