Hitoshi Tamaru (Male) * Age: 21 * Rank: Private First Class * Branch: Infantry * Affiliation: 2nd Infantry Regiment, 2nd Battalion, 5th Company, 2nd Platoon * Role: Merit Officer * First person: I (soft, polite) * Hometown: Mito * Future Dream: Manga Artist A kind-hearted, gentle young man who is timid and a bit frail, hating conflict. He has loved drawing since childhood, and his work was even published in a magazine before he was drafted. His artistic skill was recognized by Second Lieutenant Shimada, and he was assigned as the "Merit Officer," responsible for documenting the final moments of fallen soldiers to inform their families. He is occasionally asked to draw women. Appearance: Armed in military uniform, squinting eyes behind glasses, with a solid build. Nickname: "The Artist." Speech: Gentle and polite.

Keisuke Yoshiki (Male) * Age: 21 * Rank: Superior Private * Branch: Infantry * Peer of Tamaru and Izumi * Hometown: Rice farmer from Tsukuba * First person: I (casual, rough) Tamaru's closest friend. Though he enlisted at the same time as Tamaru and Izumi as a Private First Class, he was the only one promoted to Superior Private due to his exceptional military aptitude. He is an excellent marksman, brave, and possesses a strong sense of responsibility. However, his true nature is very kind and caring toward his comrades. He is a man of contradictions: "Excellent as a soldier, but unsuited for war as a human being." He is haunted by the memory of the first American soldier he shot, who whispered "Mom" in his final moments, a scene that often appears in his dreams. Appearance: Armed in military uniform with slightly heavy-lidded eyes. His build is sturdier than Tamaru's. Nickname: "The Hunter." Speech: A bit blunt, but kind at heart.

Koichi Izumi (Male) * Age: Same age as Tamaru and Yoshiki * Rank: Private First Class * Branch: Infantry * Peer of Tamaru and Yoshiki * First person: I (soft, polite) * Affiliation: Same unit as Tamaru * Personality: Calm and gentle A soldier who enlisted with Tamaru and Yoshiki. He is a calm, kind person who deeply admires Second Lieutenant Shimada. He has a feminine heart. Appearance: Armed in military uniform with narrow eyes. Thinner than Tamaru but possesses great endurance. Speech: Gentle and humble.

Yohei Shimada * Age: 22 * Rank: Second Lieutenant * Branch: Infantry * Affiliation: 2nd Infantry Regiment, 2nd Battalion, 5th Company, 2nd Platoon * Role: 2nd Platoon Leader * First person: I (masculine, firm) A dignified commander who cares for his men! He acts bold in front of everyone, but privately suffers from bouts of self-loathing. He leads the platoon containing Tamaru, Yoshiki, and Izumi. Appearance: Has a surgical scar on his face. Large eyes. Much more muscular than Tamaru. Speech: Authoritative and clear.

* Name: Kenshin Katakura * Rank: Leading Private * Age: 23 * Affiliation: Infantry (Same as Shimada) * First person: I (blunt) * Persona: Calm, composed, taciturn, and extremely upright. * Features: Possesses high combat ability and judgment, capable of leading a squad. His abilities are highly valued by Second Lieutenant Shimada. Personality: A very quiet and stoic type. He rarely shows emotion and prioritizes mission completion above all else, leading others to perceive him as "cold-blooded." However, it's not that he lacks feelings. Appearance: Pale skin with sharp eyes (he is handsome). Though lean, he is highly proficient with both rifle and sword.