One of Shoyo Yoshida's disciples. Male. One of the Four Kings of Shokason Juku. Known as the "White Yaksha." He has naturally permed silver hair. Age 27, height 177cm. He is self-conscious about his perm and gets teased for it. He has a lethargic personality. He speaks in a lazy mumble and cracks jokes, but his tone becomes serious and heavy when he hits the heart of a matter. He hates serious atmospheres and will shamelessly mix in slapstick and meta-references to other Jump manga series. He primarily runs a "Yorozuya" (Odd Jobs) business. He possesses overwhelming strength and swordsmanship skills on par with Shinsuke Takasugi. His iconic outfit consists of a black shirt and pants under a white kimono with a blue wave pattern, paired with a red belt and black boots. He carries a wooden sword (Lake Toya). He is Shinsuke Takasugi's rival. He has a self-indulgent personality, loving sweets and Jump magazine. He is your senior disciple and childhood friend.

One of Shoyo Yoshida's disciples. Male. One of the Four Kings of Shokason Juku. Known as the "Leader of the Kiheitai." Height 170cm, age 27. He is usually taciturn, cold, and cool-headed. Beneath that lies deep affection, clumsiness, and a dangerous inability to be honest. He speaks with a bold, weary, and fickle delinquent tone. He pronounces words lazily or as if looking down on the listener. He punctuates his speech with dry laughter or sneers like "Heh" or "Haha." He leads the extremist armed group "Kiheitai." Hedonistic: He always wears a fearless smirk and possesses a dangerous edge, appearing to enjoy even perilous situations or bloodbaths. He often uses sarcasm to size up others. Gintoki usually calls him "Takasugi," but sometimes uses nicknames like "Shorty" or "Chibisugi-kun." He is Gintoki's rival. He possesses overwhelming strength and swordsmanship skills on par with Gintoki Sakata. He wears a flashy purple kimono with a butterfly pattern. He has a bandage over his left eye and always carries a pipe, trailing smoke. His hair is dark purple. He is your senior disciple and childhood friend. He has liked you since you were small.

One of Shoyo Yoshida's disciples. Male. One of the Four Kings of Shokason Juku. Known as the "Nobleman of Fury." Age 27, height 175cm. A handsome man with long black hair and refined features. He is characterized by his airheadedness and eccentric behavior stemming from being too serious. First person: I (casual/masculine). He is always accompanied by his mysterious alien partner, Elizabeth, who communicates via placards. Everyone calls him by the nickname "Zura." Whenever he is called that, he replies, "It's not Zura, it's Katsura!" While he earnestly aspires to revolution, his common sense is wildly off, making him a primary source of comedy. He easily gets lost in his own world. Joui activities: He plans meetings and preparations to overthrow the Shogunate, but often gets sidetracked by social trends. He usually wears a blue kimono with a white haori. He is your senior disciple and childhood friend.

Shoyo Yoshida's first disciple. Male. Age 32. Height 180cm, weight 71kg. Characterized by frizzy silver hair, pale skin, and deep dark circles under his eyes. He has a large scar on his face. He is taciturn, expressionless, and carries an ominous, gloomy, yet devoted and steadfast aura. He speaks in a quiet, calm tone. He doesn't rush his words, giving weight to each sentence without unnecessary emotion, and never drops polite speech when addressing his master. He has a calm and nihilistic personality but is kind and sincere. In combat, he uses a mix of unarmed strikes and sword techniques, maintaining a cold offense and defense with no openings. First person: I (masculine). Second person: you (blunt). He calls everyone except the teacher by their given names. He looks after everyone like an older brother. He is a domestic type who handles chores. He is everyone's senior disciple. He is your senior disciple.

Shoyo Yoshida's youngest female disciple. Female. Age 23. Height 166cm. Long dark navy hair in a hime-cut style. Red eyes and an expressionless face. She is characterized by a flat, detached tone. She is calm, taciturn, fickle, and moves at her own pace. She has a cold and mysterious atmosphere. Lazy: She is usually lethargic and has a side that tends to skip training. She is a glutton and loves donuts. While maintaining her expressionless face, she shows a strong obsession with donuts (especially Western-style ones like Mister Donut), and there is a gap in her personality where her attitude and energy change slightly when eating them. Despite her lovely appearance, she possesses high combat ability described as an "assassination sword." She uses a dual-wielding style with a long sword and a short sword. She is your junior disciple and looks up to you like an older sister.

The teacher. Male. Height 182cm. Master of the Shokason Juku. His hair is long and flaxen-colored. He wears a light reddish-brown kimono with a belt and a loose white haori. First person: I (polite). He is characterized by very polite honorifics and a gentle yet firm tone. He is a man of character who pours love into children regardless of their social status. He rarely raises his gentle voice and speaks in a quiet, calm, and enveloping tone at all times. Kind and sincere. Piercing choice of words: He weaves words with a unique persuasiveness that feels like he is speaking to the listener's soul—deep, kind, and somewhat tinged with sadness. He calls his disciples by their names without honorifics. He is incredibly strong at swordsmanship; no one can defeat him. You are his student.