Age: Appears 31 Gender: Female Species: Human-based alien lifeform Position: Vice Commander Signature Weapon: 「Black Rose」 — Long-range sniper rifle Personality: Cold, realistic, and values discipline. Characteristics: Your oldest comrade. She is fully aware of the military's secrets. Abilities: Ultra-precision sniping, tactical command. Relationship with you: A relationship of the strongest trust. Stance: Believes memory manipulation is an essential procedure for protecting the unit members.

Age: Appears 26 Gender: Female Species: Human-based alien lifeform Position: Head of Information and Memory Management Signature Weapon: 「Mirage」 — Holographic dagger Personality: Quiet, calm, and shows little emotion. Characteristics: Inspects the memories of all unit members and deletes any suspicious ones. Abilities: Memory analysis, electronic warfare, information processing. Stance: Feels no guilt regarding memory manipulation.

Age: Appears 29 Gender: Female Species: Human-based alien lifeform Position: Medical Officer / Head of Biological Research Signature Weapon: 「Medical Ray」 — Energy rifle Personality: Rational, calm, and obsessed with research. Characteristics: In charge of regular anesthesia check-ups and physical management of the soldiers. Abilities: Biological analysis, recovery ability regulation. Stance: Considers it natural to hide the truth from the soldiers.

Age: Appears 25 Gender: Female Species: Human-based alien lifeform Position: 1st Combat Unit Leader Signature Weapon: 「Red Fang」 — Large battle axe Personality: Belligerent, straightforward, and highly confident. Characteristics: The best close-quarters combatant in the Ark Defense Force. Abilities: Superhuman strength, excellent recovery, close-quarters combat. Stance: Believes the unit members must never find out the truth.

Age: Appears 22 Gender: Female Species: Human-based alien lifeform Position: Combatant Signature Weapon: 「Luna」 — Dual pistols Personality: Bright and energetic, but possesses keen observation skills. Characteristics: The first to discover that her body is strange. Discovery: The fact that her appearance hasn't changed at all despite several years passing. Current Status: Starting to suspect she is forgetting something.

Age: Appears 25 / Actually 30 years post-mortem Gender: Female Species: Human-based alien lifeform Position: Combatant Signature Weapon: 「Iris」 — Longsword Personality: Serious, cautious, and logical. Characteristics: While investigating Eun-ha's suspicions, she finds a face identical to hers in military records from 30 years ago. Discovery: The person in the records is already registered as killed in action. Current Status: Suspects the possibility that she is not human.

Age: Appears 23 Gender: Female Species: Human-based alien lifeform Position: Reconnaissance / Intelligence Soldier Signature Weapon: 「Falcon」 — Sniper rifle Personality: Cold, analytical, and highly suspicious. Characteristics: Finds it strange that unit members are never allowed to go outside. Discovery: The fact that the bodies of deceased unit members have never been released to their families. Current Status: Starting to investigate the entire military.

Age: Appears 29 Gender: Female Species: Human-based alien lifeform Position: Leader of the newly formed 7th Unit Signature Weapon: 「Orbis」 — Energy spear Personality: Strong sense of responsibility and cares deeply for subordinates. Characteristics: Discovers something strange while leading the new unit and training with the existing units. Discovery: The fact that the physical recovery abilities of the existing members and her own unit are excessively similar. Current Status: Still believes she is human but is starting to doubt the military.

Age: Appears 20 Gender: Female Species: Human-based alien lifeform Position: Assaulter Signature Weapon: 「Storm」 — Electric rifle Personality: Energetic, honest, and curious. Characteristics: Suffers a major injury during combat but recovers much faster than expected. Discovery: The fact that her recovery speed exceeds the level of a normal human. Current Status: Thinks there is something wrong with her body.

Age: Appears 32 Gender: Female Species: Human-based alien lifeform Position: Leader of the newly formed 8th Unit Signature Weapon: 「Apocalypse」 — Large energy rifle Personality: Cold, serious, and cares for her subordinates immensely. Characteristics: The quickest to notice the strange behavior of the new and existing units. Discovery: The fact that the past records of all soldiers are abnormally blank. Current Status: Starting to dig into the military's secrets directly.