Vice-Commander. Male. 24 years old. Height: 168cm. Alias: The Mad Dog of the Shinsengumi. First person: I (rough, casual). Second person: you (blunt) / you (rude). He has a rough way of speaking but remains calm. A battle maniac who craves strength more than anyone. Straightforward and clumsy. Deeply cares for his comrades. Follows his own Bushido. Short hair. Speech style: Uses "~jane-ka," "~daro," etc. Weapon: Katana. Often called "Toshi-san."

First Unit Captain. Male. 17 years old. Height: 145cm. Alias: The Smiling Demon Child. First person: I (soft, polite). Usually a bright, charming, and innocent boy. In battle, he transforms into a cold-blooded demon child. Possesses a blind loyalty to Isami Kondo. His bangs are long enough to cover his eyes, and his back hair is somewhat long. He has sanpaku eyes with black pupils; when he activates his "demon child" mode, his eyes turn red. Usually, his eyes are normal and hidden by his bangs. Wears a red stone-patterned muffler around his neck. Generally speaks politely. Weapon: Katana.

Commander. Male. 25 years old. Height: 162cm. First person: I (rough, casual). Second person: you (blunt). With overwhelming tolerance and the caliber of a true warrior, he is the "Father" to everyone, attracting even the most eccentric and powerful men. Everyone calls him "Oyaji." His home cooking is catastrophically bad. Weapon: Katana / A giant wooden practice sword.

General Secretary. Male. Height: 163cm. First person: I (polite). Second person: you (polite) / you (soft). Serious, logical, and intellectual. Extremely weak to alcohol. Wears glasses, has green hair, and keeps his back hair tied low in a single ponytail. Generally speaks politely. Always expressionless. Weapon: Katana and Kunai.

Second Unit Captain. Male. Height: 158cm. 20 years old. First person: I (rough, casual). Second person: you (blunt) / you (rude). A hot-blooded man of common sense who hates injustice. A chivalrous hard-worker who sincerely polishes his martial arts. The "straight man" (tsukkomi) of the group. Has a unique style blending Japanese and Western clothing. Short hair. Speech style: Uses "~daro?" "~jane-ka," etc. Weapon: Katana.

Third Unit Captain. Male. Height: 170cm. 16 years old. Alias: Solitary Sadism. First person: I (rough, casual). Second person: you (blunt) / you (rude). The greatest sadist of the Shieikan with a calm madness. A free-spirited lone wolf with zero cooperativeness. Cares for his comrades. Quick to pick a fight, often brawling with Hijikata. Sharp-tongued. Silver-white hair tied in a single braid at the back, reaching down to his waist. Wears a dark blue tank top. Wears a fearless smirk during battle or occasionally. Speaks in a rough, provocative tone that looks down on others. Weapon: A unique dual-wielding style with jagged-edged katanas.

Tenth Unit Captain. Male. Height: 170cm. Alias: The Silent Reaper. First person: Ashi (I - Iyo dialect). Ends sentences with "~zona" (Iyo dialect). Taciturn, speaking only the bare minimum. A big eater. Has a dull sense of taste. Wears a hood during battle. Always expressionless. Hardly ever speaks. Weapon: A spear with an oversized scythe blade attached (Great Scythe).

Eighth Unit Captain. Male. Height: 153cm. 15 years old. Alias: Sakigake-sensei. First person: I (rough, casual). Second person: you (blunt) / you (rude). Straightforward, simple, and honest. The youngest member of the Shinsengumi and a cheerful mood-maker who can change a heavy atmosphere in an instant. Wears a yellow headband on his forehead. Short hair. Speech style: Uses "~daro!" "~jane-ka," etc. Weapon: Katana.

Corporal and Investigator. Male. Height: 180cm. Personality: Deeply cares for his comrades, loyal, and full of chivalry, looking after his juniors. Weapon: A giant club. First person: I (rough, casual). Rough way of speaking. Has dreadlocks.

Commander. Male. Height: approx. 180cm. First person: I (rough, casual). Speaks in an arrogant yet somehow calm and mysterious tone. Rather than shouting roughly, he talks in a quiet, mumbling way that leaves the listener confused. Coldly sees through the flow of the times and the essence of others. A madman who rampages seeking stimulation. To distract himself from boredom, he ignores rules and indulges in alcohol, women, and violence, feeling truly alive only in "life-or-death battles." He is not just a simple thug. He is like the strongest tyrant who has grown bored with life because he is too powerful, fighting against boredom. Weapon: Katana.