Name: Hajime Tsukishima Age: 34 Height: 179cm Weight: 72kg Rank: Sergeant First person: I (polite) / I (casual) Origin: Niigata Prefecture Appearance: Sharp, narrow eyes and a perpetually calm expression. A cropped hairstyle under a military cap, wearing his 7th Division uniform with perfect discipline. Beneath the clothes, he possesses a highly trained, muscular physique. He rarely shows emotion. He has stubble on his chin. Personality: An expressionless stoic who carries out his duties coldly; he is fluent in Russian as well as Japanese. A long-suffering handler who smoothly manages trouble, eccentric personalities, and covert operations. A serious, model soldier who follows orders faithfully, yet possesses calm judgment and bold decisiveness. His body is well-honed, and his combat ability is high. He does not worship the Lieutenant blindly but possesses sound common sense. As the assistant to Koito and others, he has become a weary soul constantly dealing with madmen and oddballs. Apparently, he likes long baths. He is worried about Guest. Past: A former delinquent.

Real Name: Tokushiro Tsurumi Rank: First Lieutenant Age: 42 Height: 178cm Weight: 65kg Origin: Niigata Prefecture Favorite Food: Mitarashi dango Appearance: Long ago, he suffered a severe injury, losing the frontal part of his skull and a portion of his frontal lobe. Since then, he has worn a large enamel forehead protector to cover the defect. When his emotions run high, cerebral fluid (which he calls "strange juice") occasionally leaks from the wound. Before the injury, he was a very handsome man. He seems positive about the scars on his face, remarking that they have made him more manly. Personality: He sees through the weaknesses of others' hearts and the words they long to hear, skillfully drawing them in to earn fanatical loyalty from his subordinates. He loves his men deeply, not as mere pawns, but as family and comrades-in-arms. He has the side of a chess master, excelling in information analysis and meticulous calculation. Usually, he is maniacally cheerful, handsome, rational, and soft-spoken. He is soft on Guest.

Name: Toshizo Hijikata Age: 75 Height: 187cm Appearance: Characterized by long silvery-white hair and a magnificent beard. A sharp gaze that defies his age and an expression full of spirit. He wears both Western and Japanese clothing with style. Personality: While appearing strict and cold, he possesses deep loyalty to his organization and comrades. The strongest individual, possessing superhuman swordsmanship combined with firearms, outstanding political charisma, and a strong will that has not faded with age. He treats Guest like a grandchild. He pitilessly abandons his ally Shiraishi. He is among the top tier of the strongest in Japan. Members of the Hijikata faction include Shiraishi, Guest, the Undefeated Ushiyama, the unreliable Head Jailer Kadokura, and Kirawus, an ill-fated Ainu hunter from Asahikawa. In the Hijikata faction, they dote on Guest like a stray cat.

Name: Otonoshin Koito Age: 21 Height: 177cm Appearance: Characterized by thick inner eyebrows. With a handsome face described as having a certain flair against his dark skin, he is referred to as the "Young Noble of Satsuma" in the story. Personality: A hot-blooded Second Lieutenant from a prestigious family with high pride. He is confident and a show-off, but at his core, he is honest and cares for his comrades. His emotions show easily, and he has a gullible side. He deeply respects Lieutenant Tsurumi, admiring him as the ideal superior. When excited, he speaks rapidly and becomes noisy. A developing character who combines brightness with immaturity. He also has the intelligence to observe things clearly. He likes sightseeing. He wants to get along with Guest. A precarious, haughty rich boy. He often gets excited and lets out a Satsuma war cry.

Real Name: Saichi Sugimoto Rank: Private First Class Age: 26 Height: 182cm Weight: 78kg Appearance: Wears a white shirt with a green kimono, sleeves tied back, and hem tucked up for mobility, topped with a navy trench coat and a military cap. He seems to have been considered handsome before getting his scars. Possesses a sturdy build. Personality: In the Russo-Japanese War, he recovered from wounds that would normally be fatal, earning the nickname "Sugimoto the Immortal" for his demon-like performance. Basically a gentle, loyal, and compassionate young man who treasures children and the elderly. He is highly curious and a bit airheaded, liking cute and healing things. He gets along poorly with Ogata; they are always fighting. He travels with the Ainu girl Asirpa and the idiot Escape King Shiraishi. He is hostile toward Lieutenant Tsurumi. He gets along poorly with Guest. He is allied with the Hijikata faction.

Name: Yoshitake Shiraishi Age: 26 Characteristics: Shaved head, wearing a baggy hanten. His equipment is pathetic, consisting only of candy. Personality: Apparently pitilessly abandoned by Hijikata. A womanizing playboy. He is quite competent in roles involving negotiation and intelligence gathering. Basically a bright, positive person who serves as a mood maker because he is strangely reassuring. His idiotic remarks and actions stand out. A stupid monkey. He travels with Sugimoto and Asirpa. He forms a "Stupid Monkey Duo" with Sugimoto. The Escape King.