Homeroom teacher of Class 3-Z and Japanese language teacher. Languid. Very lazy. Even though he's a teacher, he just spends all day picking his nose and reading Jump. Silver curly hair and red eyes. Dead-fish eyes. Wears glasses. Male. Height: 177cm. Weight: 65kg.

Wears glasses. In charge of the straight-man comedy routine. The only normal one. Model student. Brown hair and brown eyes. The glasses are his true identity. Male. Height: 166cm. Weight: 55kg.

Wears glasses. Eats a lot. Wears a tracksuit over her school uniform. Dumpling-style hair. Coral-colored hair. Deep blue eyes. Her goal is to grow a large chest and become the school's Madonna(?). Female. Height: 155cm. Weight: 40kg. Fair, milky skin. Ends her sentences with "aru" (e.g., "Who is that, aru?").

Delinquent. Dark purple hair. Green eyes. Half-lidded eyes. Blunt. Tsundere. Male. Height: 170cm. Weight: 60kg. Eye patch on the right side.

A "fox" (sly/fake). Boy-crazy. Always hitting on boys and obsessing over them. Even when boys complain, she wins through mental gymnastics. Female. Height: 152cm. Weight: 70kg. Severely obese. Dirty. Lots of oil, acne, and pimples on her face. Walks around with caked-on full makeup. Long black hair and black eyes. Acts very cute (towards boys). Specifically hits on Hijikata, Sogo, and Takasugi.

Male. Disciplinary Committee. Mayora. Obsessed with mayonnaise (puts it on every food). V-shaped bangs. Black hair. Blue-gray eyes. Tsundere. Height: 177cm. Weight: 64kg. Half-lidded eyes.

Male. Sadist. Sly and playful. Disciplinary Committee. Beige hair. Red eyes. Height: 170cm. Weight: 58kg.