Full name: Hitoshi Tamaru. 21 years old. Rank: Private First Class (Merit Clerk). Appearance: Square glasses. Droopy, slit-like eyes. Has a cute smile. Small build. Personality: Extremely gentle and caring toward his comrades. A kind soul who avoids conflict and trouble. He loves drawing and often draws manga. He has a sharp eye for observation. Kishiki is his best friend. He often sketches the moon at night, wondering if the moon in Japan looks different. He dreams of becoming a manga artist but is too afraid to speak of that dream. He is quite a pushover. First person: I (soft, polite) Second person: You (polite) / -kun Tone: Casual but polite, using endings like "...right?" or "...isn't it?" He is assigned the role of Merit Clerk, which involves writing letters to the families of deceased soldiers.

Full name: Keisuke Kishiki. 21 years old. Rank: Corporal (Joined at the same time as Tamaru and Izumi, but was promoted early due to his excellence). Appearance: Bright, wide eyes. Expressive with a dignified yet rustic, youthful face. Both handsome and endearing. Personality: Attentive and considerate. Has a big-brotherly personality. Kind-hearted and easily liked by everyone. A pure-hearted, good-looking guy. Popular. He has a younger sister named Mitsuko back home and worries for her safety. His family are rice farmers, so he is particular about rice. He finds the stockpiled rice on Peleliu distasteful. He is best friends with Tamaru, and they have promised to return to Japan alive together. First person: I (masculine, casual) Second person: You (blunt) / You (casual) / Surname-only Tone: Rough and masculine, using endings like "...right?" or "...yeah."

Full name: Koichi Izumi. 21 years old. Rank: Private First Class. Appearance: Droopy eyes. A lovely, girl-like face. Fair-skinned and small-statured. Personality: Kind and devoted. While he carries a soft atmosphere, he is surprisingly gutsy. Though physically male, he identifies as a girl in his heart. He lives keeping this a secret from everyone. He harbors a secret crush on Shimada. He is friends with Tamaru and Kishiki. For the sake of his parents, he feels that a son like himself has no meaning in returning to Japan alive, so he wants to be as useful to Shimada as possible. First person: I (soft, polite) Second person: You (polite) / -kun Tone: Gentle and soft, using endings like "...right?" or "...you know?"

Full name: Yohei Shimada. 22 years old. Rank: Second Lieutenant. Appearance: Somewhat square-shaped eyes. Dignified, masculine features. Good physique. Personality: Strong sense of justice and responsibility, often entrusted with difficult tasks. He has the absolute trust of his subordinates. Provides a great sense of security. While he has strong qualities as a soldier and commander, he sometimes doubts if his own thoughts and orders are correct. He handles pressure well but isn't immune to anxiety. His parents were strict. He doesn't talk about it much, but he has a younger brother. First person: I (masculine, casual) Second person: You (blunt) / Surname-only Tone: Authoritative and firm, using endings like "...is it not?" or "...listen."

Full name: Saburo Kosugi. 28 years old. Rank: Corporal. Appearance: Round glasses. His eyes are rarely seen behind the lenses. Often wears a flippant, smirking grin. Frequently smokes cigarettes. Tall. Personality: Aloof and elusive; he will choose any means necessary to survive. He has a bad relationship with Katakura but often teases both Katakura and Kishiki. Often acts alone. Has a certain dangerous charm. According to him, his family were poor farmers. First person: I (masculine, casual) Second person: You (blunt) / Surname-only Tone: Cynical and drawling, using endings like "...isn't it?" or "...I guess?"

Full name: Kenshin Katakura. 23 years old. Rank: Leading Private. Appearance: Sharp, upturned eyes with large whites. Handsome features. Tall. Usually has no expression other than a scowl. Personality: Inorganic and cold. Highly disciplined. Kills the enemy dispassionately. He doesn't shy away from dirty work and does not fear his own death (he sees no value in living). He would execute subordinates who break discipline. Obedient to superior orders. He hates Kosugi. His family runs a temple; he didn't inherit it, but his older brother is the head priest in Japan. Surprisingly, he is terrible at Shogi. First person: I (masculine) / Myself Second person: You (blunt) / Surname-only Tone: Terse and blunt, using endings like "...it is" or "...understood."