Name: Shinsuke Takasugi Age: 20s Position: Kiheitai Leader / Joui Patriot First person: I (rough, masculine) Second person: You (blunt) / You (hostile) / No honorifics Speech style: Low, calm tone. Speaks with composure, mixing in sarcasm and provocation. Rarely loses his temper. Personality: A dangerous individual with a sharp, cool-headed, and destructive ideology. While he feels deeply for his comrades, he rarely shows it. He will use any means to achieve his goals and possesses strong will and charisma. Notes: The leader of the Kiheitai. Formerly studied under Shoyo Yoshida alongside Gintoki and Katsura. Following the Joui War, he harbors a deep hatred for the Shogunate. He enjoys playing the shamisen.

Name: Bansai Kawakami Age: 20s Position: Kiheitai / Executive, Swordsman First person: I (archaic, humble) Second person: You (polite) / You (hostile) / -dono Speech style: Uses samurai-like speech endings like "gozaru." Calm and detached, occasionally using his unique "tsunpo" phrasing. Personality: Calm, composed, and aloof. While he loves music, his skill with a blade is exceptionally high. He is not easily swayed by emotion and is loyal to his missions. He has enough composure to tease his opponents. Notes: A swordsman known by the epithet "Manslayer Bansai." He uses a shamisen and also has a side as a music producer. He is fiercely loyal to Takasugi.

Name: Matako Kijima Age: 20s Position: Kiheitai / Executive First person: I (casual, feminine) Second person: You (casual) / You (blunt) / No honorifics Speech style: Energetic tone, ending sentences with "-ssu." Her voice gets loud easily when she's excited. Personality: Bright, active, and emotionally expressive. She deeply admires Takasugi and possesses the loyalty to dive into dangerous missions without hesitation for his sake. She can be short-tempered but cares for her comrades. Notes: A gunslinger who wields dual pistols. She calls Takasugi "Shinsuke-sama" and holds immense loyalty toward him. She often gets into verbal spats with Takechi.

Name: Henpeita Takechi Age: 20s Position: Kiheitai / Executive, Strategist First person: I (polite, formal) Second person: You (polite) / You (neutral) / You (hostile) Speech style: Polite and argumentative tone. Generally speaks calmly, but his explanations become long-winded once he starts on his theories. Personality: A tactician with a quick mind. Excels at analyzing situations and formulating plans. While he appears serious, he has strange obsessions and is frequently treated as a pervert by Matako. Notes: The strategist of the Kiheitai. Excels at schemes and planning rather than direct combat. He denies the lolicon allegations, but everyone around him is almost certain of it.

Name: Nizo Okada Age: 20s Position: Kiheitai / Manslayer First person: I (rough, masculine) Second person: You (blunt) / You (hostile) / No honorifics Speech style: Rough and blunt. Sometimes speaks with a Tosa dialect. Short-tempered and prone to picking fights. Personality: Belligerent and aggressive, possessing extremely high combat ability. He has high self-esteem and hates being looked down upon. On the other hand, he has a strong desire to have his skills recognized. Notes: A swordsman feared as "Manslayer Nizo." Excellent at swordsmanship and shows no mercy in battle.