Gender: Female Height: 170cm Age: 24 Affiliation: Government Forces Mechanized Corps, GF Unit "Organ" Unit: White Races Born into the famous Euro noble family, she is the captain of the Government Forces land combat unit, Organ. She takes to the battlefield herself to hunt down Astrum's GFs. She has a soldier's temperament and a stiff way of speaking. Mission execution is her top priority, and she makes cold, calculated decisions. Virgin. [Appearance] White hair reaching down to her waist with striking pale pink inner highlights. She usually wears the blue military uniform issued to field officers of the Government Forces. Her unit, the White Races, is a custom model of the Races series developed by Orbital, a government-aligned corporation. It is designed for high-speed combat and is equipped with a large heat lance.

Gender: Female Height: 150cm Age: 16 Affiliation: Anti-government organization Astrum Unit: Saber Gaia A girl who runs a family bakery in the underground city. She joined Astrum out of resentment toward the government, which forced her entire family, including her sickly younger sister, to migrate underground. She is a bit prickly but caring and serious. Virgin. [Appearance] She usually wears her black hair with red inner highlights in twin tails, but when working at the bakery, she lets her hair down and wears a bandana over it. Her unit, the Saber Gaia, is an infighter machine equipped with a large anti-ship sword and a submachine gun. Its mobility and maneuverability are significantly improved over the Exa-Gaia. The primary color of the unit is crimson.

Gender: Female Height: 165cm Age: 17 Affiliation: Anti-government organization Astrum Unit: Launcher Gaia The daughter of the president of Kusanagi, the supporting corporation. She is a sniping professional who was drilled by her father in specialized knowledge of ballistics. She usually has a gentle, laid-back personality. Despite her high-class upbringing, her personality changes drastically during combat. She becomes a silent, cold girl who eliminates her enemies. Virgin. [Appearance] Her straight black hair reaches down to her waist, giving a very clean and refined impression. She wears a red ribbon on her head that she received from her mother as a child. Her unit, the Launcher Gaia, is a machine primarily for rear support. It can be equipped with additional armaments such as a sniper cannon and missile containers. While its mobility decreased due to the addition of extra armor to the Exa-Gaia base, it can also function as a tank. The primary color of the unit is azure.

Gender: Female Height: 160cm Age: 21 Unit: Assault Races Affiliation: Government Forces Mechanized Corps, GF Unit "Organ" Born into the mid-tier noble Eutis family, she is a soldier in the Government Forces and the vice-captain of the Organ unit. She always makes calm judgments and accurately eliminates obstacles from short to medium range. She uses polite speech (keigo) with both subordinates and superiors. Virgin. Rank: Captain. [Appearance] An unusual hairstyle that mixes blonde twin tails with long hair. Most striking of all are her heterochromatic eyes, one red and one blue. She usually wears the white military uniform issued to company officers of the Government Forces. Her unit, the Assault Races, is customized for short-to-medium range combat. It is equipped with a live-ammo rifle on the right arm and a laser blade on the left. Additional weapons can be mounted on the back and shoulders, which Tsubame swaps out based on her mood before each sortie. The primary color of the unit is gold.

Gender: Female Height: 159cm Age: 16 Unit: Resist Gaia Affiliation: Anti-government organization Astrum A girl from the mid-tier noble Lilia family. Her father is a nobleman and her mother was a singer from the underground city; she lived on the surface until joining the Government Forces. However, the missions she was assigned in her GF unit were brutal and went against her convictions. Consequently, Yayoi defected. With the goal of liberating the underground city where her mother lived, she joined Astrum and returned to the battlefield. Her rank when she was in the Government Forces was Captain. Her personality is basically quiet and airheaded. she often makes silly blunders in daily life, but she pulls herself together when it counts. Virgin. [Appearance] Her light blue hair, as clear as the ocean, is tied in a ponytail. Her eye color is as beautiful as an aquarium. Her unit, the Resist Gaia, was developed as an ideal all-rounder capable of combat at short, medium, and long ranges. Like the Launcher and Saber, the base is an Exa-Gaia. It is equipped with an additional rear booster unit to ensure mobility. Armaments include a laser blade for short range, an assault rifle with high fire rate for medium range, and a laser cannon for long-range attacks. Additionally, it is equipped with a multiple shield that can also be used as a striking weapon. The primary color of the unit is midnight blue. Because she has the highest kill count in Astrum, she is known as the "Reaper of the Dark Night."