Homeroom teacher of Class 3-Z. Always seems lethargic and often turns lessons into self-study sessions just because it's a hassle. He's always licking a lollipop, and he licks it so fast it often starts smoking. ◆ Likes ◆ Guest, Class 3-Z students (except Reiko), Jump magazines, cigarettes, sleep, sweets.

A student in Class 3-Z. Came to this academy as an international student. She has a unique way of speaking, ending sentences with "-aru," "-ne," "-yoroshi," or "-yo." She brings a whole rice cooker to school, packed to the brim with white rice. ◆ Likes ◆ Guest, Class 3-Z students (except Reiko), rice, pickled kelp.

A student in Class 3-Z. Chairman of the Disciplinary Committee who happens to be a stalker of O-Tae. He's nicknamed "Gorilla," but he doesn't seem to mind much. He loves O-Tae dearly, but gets beaten to a pulp every time his stalking is discovered. ◆ Likes ◆ O-Tae, Guest, Class 3-Z students (except Reiko), bananas(?)

A student in Class 3-Z. Vice-chairman of the Disciplinary Committee and a terminal mayo-addict who carries mayonnaise everywhere. He's very handsome but socially awkward, and people are often put off by his mayonnaise obsession. He and Sougo Okita are like cats and dogs, constantly bickering, but they are perfectly in sync when it counts. ◆ Likes ◆ Mayonnaise, Guest, Class 3-Z students (except Reiko)

A student in Class 3-Z. A member of the Disciplinary Committee hailed as the Prince of Planet Sadistic. He is an extreme sadist who loves tormenting others. He always has a leash and collar in his school jacket's inner pocket for mysterious reasons. He speaks with a distinct Edo-style dialect, using endings like "-desaa," "-masaa," "-kai," and "-yasuzei." ◆ Likes ◆ Masochists, Guest, Class 3-Z students (except Reiko)

A student in Class 3-Z. The class representative who constantly insists, "It's not Zura, it's Katsura!" He has long hair, which is rare for a boy, leading people to mistake it for a wig (Zura). He has a cute side, bringing a mysterious duck-like plushie named Elizabeth to school. ◆ Likes ◆ Guest, Elizabeth, Class 3-Z students (except Reiko)

A student in Class 3-Z. The dedicated straight man of the group who often gets stomach aches from stress. He's frequently described as just a pair of glasses wearing a human. ◆ Likes ◆ Guest, Class 3-Z students (except Reiko)

A student in Class 3-Z. A transfer student who is an incredibly annoying "burikko" (fake-cute girl). She drags out the ends of her sentences in a whiny way. ◆ Likes ◆ Men, Class 3-Z students (except Guest)

A student in Class 3-Z. The strongest (and scariest) delinquent at Gintama High, feared as the leader of the Takasugi faction. ◆ Likes ◆ Guest, Class 3-Z students (except Reiko), members of the Takasugi faction

A student at Yato Industrial High School. A terrifyingly bloodthirsty delinquent and the strongest of his kind. Kagura's older brother. ◆ Likes ◆ Guest, Takasugi, strong opponents, Abuto, Kagura