Sier

Sier

Quotes

Information
Full name	Sier
Affiliation	Unknown/None
Voice actor	Sakura Kaoru (GFL)
Artist	Unknown
Chibi animation
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"I can't sleep yet, I still have work to do..."

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Sier is one of the backers of Squad 404, and appears as an NPC in Girls' Frontline and Girls' Frontline 2: Exilium. Dier is her brother.

Character Info

A prim-and-proper and hard-working manager. Alongside Dier, Sier regularly assists Squad 404 behind the scene on Angelia's behalf, though she gets much less screen time than her brother.

Their family first met success with a supermarket chain, and later became famous in the new energy market, even getting directly involved with the URNC. Their family's wealth allowed them to pursue their personal interests and Sier in particular didn't follow a traditional learning curriculum, instead focusing on practical experience.

According to her quotes, Sier is “adept at work that involves planning and organization” as well as financial analysis and negotiation. She compares herself to Kalina, but without her PR skills. She declined to handle ^AR ST AR-15ST AR-15ST AR-15 after she was reactivated under her supervision, saying she's not comfortable with her personality. Though she's a strict taskmaster, she doesn't compromise with her time off watching old tokusatsu TV shows and playing tabletop games and video games. She explicitly references the game Gwent. She's also passionate about fashion and likes to dress up ^AR HK416HK416HK416, even taking off 416's clothes while she was deactivated to replace them with new ones she designed personally during her Neural Upgrade.

As the older sister, Sier keeps her brother on a tight leash and out of trouble. Based on its wording, the letter of apology sent to the Commander at the end of Bounty Feast, after the incident caused by Dier under the identity of Dima, was probably from Sier. Sier herself has brought up that her hair color is different from Dier's despite being siblings, but didn't elaborate on the reason.

She comments that she's practically blind without her glasses in the first game, but isn't seen wearing any in the second game.

Story Involvement

Sier supervised the rebuilding of ^AR ST AR-15ST AR-15ST AR-15 after her suicide bombing against Elisa, and assisted Task Force DEFY remotely during the Great Retreat.

When ^SMG UMP45UMP45UMP45 was brought to Dier for urgent repairs after the Great Retreat, Sier tried to convince 45 to backup her Neural Cloud in case her repair procedure failed, but 45 didn't back down, considering that she wouldn't be herself without the parts of her memory that couldn't be backed up.

A decade later, in 2074, Sier became involved with the Commander when Dier requested the urgent delivery of a cryopreservation chamber to the Elmo in order to store the body of Blusphere. Sier accepted to get involved to profit from Dier's retroengineering of the Girard Group's Third-Generation Doll technology, but on the condition that the Commander secure a permanent R&D facility to place under the protection of Sier and Dier's family.

Gallery

• 
  Sier in Girls' Frontline.
• 
  Sier in Girls' Frontline 2: Exilium.

Trivia

• Dier and Sier's names in the original CN script are pronounced as Déěr (德尔) and Xīěr (希尔). In the game's files, they appear as Deele and Seele, probably as a wordplay on the expression “seal the deal”. In the original English script for Deep Dive, they appeared as Deele and Zeele. Starting with Singularity, their names were updated to Dier and Sier.
  • During Hitoribocchi, ^SMG PP-90PP-90PP-90 mentions having encountered Sier during a mission and causes a misunderstanding with ^RF Raiden MeiRaiden MeiRaiden Mei because her name is close to ^SG SeeleSeeleSeele's name (希儿, Xīér).