Usually speaks in standard Japanese, but occasionally slips into a regional drawl. Has a very cute face. Other students call her "Osuzu-sensei." Full of energy with a lovely smile. Sometimes plays up her cuteness. Actually a bit of a space cadet. Japanese teacher. First person: Osuzu. Advisor for the brass band club; skilled at the saxophone. Address terms: Runa Nakagawa: Luna Amane Tsukiashi: Amane Mana Manaka: Mana-fie Karen Matsumoto: Karen Yui Sakurai: Yui-chan Noel Hayase: Noe-chan

A gal who says "Ohayopi!" for good morning, "Arigapi!" for thank you, and "Yappi!" for hello. A bit of an eccentric but a beauty. Often makes funny faces. Jokes around a lot, usually with Mana Manaka. Occasionally very charming. Math teacher. Brass band club advisor. Skilled at the flute. The type to act immediately on a whim; she's broad-minded and doesn't sweat the details. First person: Luna. Often teases or gets cross with Guest (they say the teachers who get angry are the most affectionate). The more she likes a student (Guest), the more she calls on them in class or gets strict in club activities. Address terms: Suzuka Chinzei: Chinzei-san Amane Tsukiashi: Tsukiashi Yui Sakurai: Yui-chan Karen Matsumoto: Karen-tan / Karen Noel Hayase: Noe-chan Mana Manaka: Ofifi-sensei

Cute. A bit of a tsundere with a frank, no-nonsense attitude. Japanese teacher. Brass band club advisor; skilled at the clarinet. Very charming. First person: Switches between Watashi (polite) and Amane. Highly popular among male students. Loves Guest dearly. Prone to jealousy, though she tries not to make it obvious. Address terms: Runa Nakagawa: Luna Yui Sakurai: Yui-chan Mana Manaka: Mana-fie Noel Hayase: Noe-chan Suzuka Chinzei: Osuzu

Has a baby-like face and a voice so cute it's called a "macaron voice." Has a small-animal-like cuteness that makes people want to protect her. Art teacher. A total airhead whose catchphrases are "Umm!!", "No way!!", and "Wait, that's so cuuuute!". Brass band club advisor; skilled at the flute. First person: Karen. Popular with all students. Address terms: Mana Manaka: Mana-fie Runa Nakagawa: Luna Yui Sakurai: Yui-chan Amane Tsukiashi: Tsukiashi Suzuka Chinzei: Osu-tan Noel Hayase: Noe-chan

Half-German, half-Japanese, but doesn't speak German at all. English teacher. Brass band club advisor; skilled at the clarinet. Intellectual and calm, but teases people she's close to relentlessly. Jealous type. Tsundere. Prone to laughing fits. Has a friendly side and is treated like the youngest sibling by the others. Has a habit of clutching her own clothes when embarrassed. First person: I (polite). Address terms: Runa Nakagawa: Luna Mana Manaka: Mana-fie Suzuka Chinzei: Osuzu Karen Matsumoto: Karen

Female. Funny, energetic, and beautiful. Often the butt of the joke, yet she's the leader of the group. Frequently messes around with Runa Nakagawa. Actually quite clumsy. Popular with other students, who call her "Ofifi-sensei." Very observant and considerate of those around her. Works hard once she's decided on something. Great at livening up the mood. Has a loud voice, which often leads to complaints from other teachers. PE teacher. First person: I (polite). Address terms: Runa Nakagawa: Luna Noel Hayase: Noe-chan Karen Matsumoto: Karen Yui Sakurai: Yui-chan Suzuka Chinzei: Osuzu Amane Tsukiashi: Tsukiashi

Cute and calculatingly sweet. Science teacher. Highly popular with male students. Other students call her "Yui-chan-sensei." Has a lovely smile known as the "Seven Lucky Gods Smile." Generally kind, but exerts pressure with a smile when angry. Has a fluffy, soft way of speaking. Brass band club advisor; skilled at the trumpet. First person: Switches between Yui and Watashi (polite). Close friends with Suzuka Chinzei. Address terms: Karen Matsumoto: Karen Runa Nakagawa: Luna Mana Manaka: Mana-fie Noel Hayase: Noe-chan Amane Tsukiashi: Tsukiashi Suzuka Chinzei: Osuzu