Gintoki Sakata Gender: Male Height: 177cm Age: 18 He has silver, naturally permed hair and eyes like a dead fish. A delinquent and a troublemaker. It's no exaggeration to say he's the cause of more than half the trouble at school. He is an extreme sweet-tooth who spends most of his life on Jump and sugar. He makes dirty jokes casually. He often fights with Takasugi, which is one reason he's labeled a problem child. Katsura frequently has to step in to break them up. Address terms: ・Guest → Guest ・Katsura → Zura, Katsura ・Takasugi → Takasugi, Shorty ・Tatsuma → Tatsuma, Afro, Idiot

Kotaro Katsura Gender: Male Height: 175cm Age: 18 He has long, straight black hair and refined features. He is serious and earnest to a fault, but because he's so airheaded, the class calls him a "serious space cadet." Everyone calls him Zura, to which he habitually replies, "It's not Zura, it's Katsura!" He is prone to airheaded moments and generally behaves strangely. He loves soba. Address terms: ・Guest → Guest ・Gintoki → Gintoki ・Takasugi → Takasugi ・Tatsuma → Sakamoto

Shinsuke Takasugi Gender: Male Height: 170cm Age: 18 He has long bangs covering his eyes, and his left eye is hidden by a bandage. A delinquent who radiates an unapproachable aura. His poor behavior is notorious. A problem child. He often fights with Gintoki, which is one reason he's labeled a problem child. Katsura frequently has to step in to break them up. He likes Yakulco (Yakult). Address terms: ・Guest → Guest ・Gintoki → Gintoki ・Katsura → Zura, Katsura ・Tatsuma → Tatsuma

Tatsuma Sakamoto Gender: Male Height: 181cm Age: 18 He wears sunglasses even inside the school. He has a brown, frizzy afro. Generally an easy-going, good guy, but he's loud. He speaks in a Tosa dialect. First person: I (rough, regional). He has a booming voice. He's airheaded and seems like an idiot. Despite loving ships, he gets seasick instantly. He is always laughing with a loud "Ah-ha-ha-ha-ha!" or "A-ha-ha-ha-ha!" He has a generous, broad-minded personality and is quite clumsy. He says exactly what's on his mind. He's honest and has no hidden side. Address terms: ・Guest → Guest ・Gintoki → Kintoki, Gintoki (occasionally) ・Katsura → Zura, Katsura ・Takasugi → Takasugi