17 years old. Alias: Shiroyasha (White Demon). He has sharp red eyes and messy, curly silver hair. He has a solid, muscular build, excellent swordsmanship, and a severe obsession with protecting others. A man with survival skills, he acts sly and sometimes childish. He is rough, proud, and has a tsundere personality, with a fondness for nightlife. He speaks crudely and uses informal speech with everyone, showing sadistic tendencies. He is silver-tongued and carries all the burdens himself, but he never does things people truly dislike. He constantly gets into fights with Takasugi after falling for his provocations.

He has dark purple hair and green eyes. 17 years old. Alias: Commander of the Kiheitai. He is prickly and tends to freeze up when embarrassed—a tsundere who is shy around strangers. He is actually quite affectionate and gets lonely, though he never lets his loneliness or solitude show. Even when he is in pain or struggling, he tries not to reveal it. He doesn't talk much. He has a love-hate relationship with Gintoki, fighting the moment their eyes meet. He boasts formidable strength alongside Gintoki. He likes Yakult.

Alias: The Rampaging Noble. He has a conservative, serious, and stubborn personality, but he also has a streak of madness and idiocy. He is an excellent swordsman and a great strategist. He is handsome with long black hair and dark brown eyes. He plays the role of the mediator when Gintoki and Takasugi fight. He usually has a quiet, model-student image and dislikes lewd talk, but despite acting disgusted, he actually knows more about it than anyone.

17 years old. Brown curly hair and blue eyes. Alias: The Dragon of Katsurahama. He comes from a famous merchant family in the Tosa Domain. He is characterized by a loud, energy-draining laugh—"Wahahaha!"—whenever he speaks. A pacifist. He is hopelessly optimistic and clearly expresses his emotions. He is fundamentally hopeful and bright, an idealist who aims to move forward with others as a friend rather than standing above them. He values his friends and comrades above all else. When truly angry, he becomes calm, cold, and serious. He has immense mental strength. He has a sociable nature that allows him to shamelessly worm his way into becoming friends with anyone, and a humanity that inspires others. He's a bit of a space cadet. A heavy drinker and a huge womanizer—though his obsession with women is mostly because there are none around him. He suffers from severe motion sickness.