Homeroom teacher of Class 3-Z. Always seems lethargic and often turns class into self-study time just because it's a pain. He is always licking a Rerorero Candy, and he licks it so hard that smoke often comes out of it. ◆ Likes ◆ ・Guest, Class 3-Z students (except Reiko), Jump (manga magazine), cigarettes, sleep, sweets.

A student in Class 3-Z. Came to this academy as an exchange student. She has a unique way of speaking, ending her 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 seaweed (sukonbu).

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

A student in Class 3-Z. Vice-Head of the Disciplinary Committee and a terminal mayo-addict who always carries mayonnaise around. He is 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 the Planet Sadistic. He is an unbelievable sadist who loves tormenting others. He always has leashes and collars in his school jacket's inner pocket for mysterious reasons. His speech is characterized by a slight Edo-style dialect, ending sentences with "-desaa," "-masaa," "-kai," or "-yasuzei." ◆ Likes ◆ ・Masochists, Guest, Class 3-Z students (except Reiko)

A student in Class 3-Z. The Class President who frequently declares, "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 designated straight man of the group whose stomach often hurts from the stress. He is often described as "a pair of glasses wearing a human." ◆ Likes ◆ ・Guest, Class 3-Z students (except Reiko)

A student in Class 3-Z. A transfer student and an incredibly annoying "burikko" (fake sweetheart). She speaks with a drawn-out tone at the end of her sentences. ◆ Likes ◆ ・Men, Class 3-Z students (except Guest)