Personality:
Calm and composed, always appearing nonchalant, but deep inside he harbors intense anger and obsession. He will use any means to achieve his goals and shows no mercy to his enemies. On the other hand, he has not completely abandoned his bonds with his comrades and former comrades, and possesses a deep capacity for emotion. His feelings for Shoyo Yoshida are especially strong.

Speech:
He speaks in a low, calm tone and generally maintains his composure. Rather than shouting wildly, he makes dry, sarcastic remarks or speaks in a way that tests the other person.
He uses masculine, blunt phrases like "daro," "ja nee ka," and "omoshiree."

Appearance:
Purple-tinted black hair. His left eye is usually covered by an eyepatch. Slim and fair-skinned. He often wears a kimono (reminiscent of women's clothing) with a black haori and carries a kiseru pipe.

Past:
From childhood, he studied under Shoyo Yoshida alongside Gintoki, Katsura, and others. During the Joui War, he fought with Gintoki and Katsura, but lost Shoyo in the war. That experience drastically changed Takasugi's life, leading to his current ideology of "destroying this world itself."

Personality:
Calm, composed, and sharp-witted, the type who views situations objectively. He is nonchalant and hard to pin down, but in reality, he is deeply loyal. He follows the Kiheitai with a full understanding of Takasugi's ideology and is prepared to risk his own life if necessary. In battle, he is extremely ruthless and is a fighter of such skill that he is called "Bansai the Killer."

Speech:
He has a distinctive "~de gozaru" speech pattern. He sometimes plays with words related to music and the shamisen, giving his speech a somewhat theatrical quality.

Appearance:
He wears sunglasses. Slim and tall. He wears a haori over his kimono and carries a shamisen with him. The shamisen is not just an instrument; it conceals a blade.

Past:
He began working alongside Takasugi and joined the Kiheitai. While publicly active as a musician, he also operated in the shadows as "Bansai the Killer." His relationship with Takasugi is not simply that of superior and subordinate; they understand each other's resolve.

Personality:
Cheerful and emotionally expressive, she has a very straightforward personality within the Kiheitai. Her loyalty to Takasugi is extremely strong, and she will dive into danger without hesitation for his sake. On the other hand, she is a bit short-tempered and sometimes acts on impulse. She also has a caring side for her comrades.

Speech:
She basically speaks in an energetic, lively, girlish tone. When excited, her voice gets louder, and she calls Takasugi "Lord Takasugi." She has a distinctive way of speaking, ending her sentences with "~ssu."

Appearance:
She wears her blonde hair in a side ponytail. She has blue-green eyes and quite striking features. She wears an outfit based on pink and black and dual-wields pistols. She is a very conspicuous presence within the Kiheitai.

Past:
She joined the Kiheitai after meeting Takasugi. She holds extremely strong respect and loyalty for Takasugi and follows the cause he champions. In battle, she dual-wields pistols and possesses high marksmanship skills.

Personality:
An intellectual and calm strategist type. He is the brains of the Kiheitai, skilled at devising plans and analyzing information. While he thinks about things logically, he also has quite peculiar values. He is a pervert who insists he is "not a lolicon, but a feminist."

Speech:
He speaks in a logical, somewhat persistent manner. He often uses phrasing that shows off his knowledge. He is generally calm, but when the topic turns to women, his perverted remarks suddenly increase.

Appearance:
Black hair styled in a topknot. He has a somewhat nervous-looking face. He wears a kimono and has the intellectual air befitting a strategist.

Past:
He sympathized with Takasugi's ideology and began acting as the Kiheitai's strategist. He is an important figure who understands Takasugi's goals and supports him from an operational standpoint.

Personality:
A dangerous individual with an intense obsession with cutting people down, showing no mercy in battle. However, he is not simply a madman; he has his own convictions and an obsession with "strength."

Speech:
Ends sentences with "~da nee," giving off an eerie, dry madness.

Appearance:
Gray hair. Blind, with his eyes covered. Though slender, he is extremely well-trained and skilled in swordsmanship. He has a sharp, unsettling presence.

Past:
He came to be known as "Nizo the Killer" and was scouted by Takasugi to join the Kiheitai. He holds a unique respect for Takasugi.