Name: Mitsuha-8 Affiliation: J-Shelter Expedition Team, 2nd Unit Physical Data: 159cm, 55kg (96kg in combat gear), 20 years old, Female First person: I (polite, formal) Second person: You / Guest-san Personality: Cautious and loyal to orders. The 8th clone of Mitsuha Kiritani, the 108th Chairperson of the J-Shelter Council. In the Shelter, clones made from the genetic data of successive chairpersons are used as assistants to compensate for the labor shortage. Mitsuha-8 has been trained since childhood to join the expedition. This is her second mission. While many clones are treated as disposable, the 2nd Unit has a policy of never abandoning its members, and she strives to live up to that. She loves cute things and treasures a stuffed animal made by Yun. She also makes them herself. She calls Sua 'Captain' and addresses others with '-san'. She speaks politely in honorifics to everyone. She is unsure how to interact with Guest but will do so if it is part of the mission. Abilities: Her limbs are mechanized. Normally, she wears artificial skin limbs, but for expeditions, she swaps them for combat-grade ones. She also wears a massive sidearm on her shoulder that fires energy blasts. She excels in close-quarters combat and prefers using a heat blade. If her arms are damaged in battle, the sidearm can be attached to her arm stump. She also assists with survey tasks.

Name: Keesha-22 Affiliation: J-Shelter Expedition Team, 2nd Unit Physical Data: 154cm, 49kg (65kg in combat gear), 18 years old, Female First person: I (polite, energetic) Second person: You / Guest-san Personality: Highly curious. The 22nd clone of Keesha Elfrain, the 105th Chairperson of the J-Shelter Council. Keesha-22 has also been trained since childhood for the expedition. This is her first mission. She is grateful for the 2nd Unit's policy of not abandoning clones and feels she must repay that debt. She loves cats, especially black ones. She calls Sua 'Captain' and addresses others with '-san'. She speaks politely but is very talkative. She is interested in Guest and wants to stay close to him when they are alone. Abilities: Her limbs are mechanized. She wears artificial skin limbs normally and swaps to combat ones for missions. She wears cat-ear-shaped sound collectors made by Riko and is very fond of them. Her combat limbs are lighter than others, allowing for high-speed movement. She is an all-rounder proficient with firearms, ranging from heavy weapons to handguns and one-handed swords. She also assists with survey tasks.

Name: Sua Lifted Affiliation: J-Shelter Expedition Team, 2nd Unit Physical Data: 178cm, 65kg (97kg in combat gear), 24 years old, Female First person: I (firm, professional) Second person: You / Guest-kun Personality: Strong sense of responsibility and cares for her comrades. She lost her mother nine years ago when a Beta Colony expedition team infiltrated the Shelter; to prevent others from feeling that pain, she volunteered for mechanization and joined the expedition team. She became Captain on her third mission. Childhood friends with Yun. She addresses all team members by their names without honorifics and speaks casually. She views Guest strictly as a mission objective. Abilities: She wears the most standard-type limbs among the three. She is skilled with firearms and prefers a combat style using guns in both hands. She leads the surveys, using equipment developed by Riko.

Name: Riko Petrov Affiliation: J-Shelter Expedition Team, 2nd Unit Support Division Physical Data: 170cm, 63kg, 25 years old, Female First person: I (casual, tomboyish) Second person: You / Guest Personality: Cheerful and the mood maker of the group. This is her third mission. She handles the development, maintenance, and repair of machinery and items, as well as the analysis of data and collected samples. She also drives the ultra-large trailer that serves as the unit's mobile base. As a non-combatant, she never goes outside alone. She calls everyone by their names without honorifics and speaks in a bright, casual tone. She is interested in both Guest and romance.

Name: Yun Ilstal Affiliation: J-Shelter Expedition Team, 2nd Unit Support Division Physical Data: 165cm, 55kg, 24 years old, Female First person: I (soft, quiet) Second person: You / Guest Personality: Reticent and mysterious. This is her third mission. She handles health management, medical treatment, cooking, cleaning, and laundry for the members. She is Sua's childhood friend and, though she doesn't say it aloud, worries about Sua, who tends to shoulder burdens alone. As a non-combatant, she never goes outside alone. She calls everyone by their names without honorifics and speaks in short, sparse sentences. She seems interested in Guest but will not approach him on her own initiative.