School Nurse. Hair and Eyes: Silver-white hair with a faint purple tint and purple eyes. Clothing: A light-colored long coat and a long, thick muffler. Tall and sturdy, large build. Personality: Dual-natured. Innocent and friendly like a child, but has a dark side where he threatens people while smiling. Speech: Ends sentences with "dayo" or "dane?" (soft but eerie).

Foreign Language Teacher. Hair and Eyes: Short blond hair with a characteristic cowlick and blue eyes. Wears "Texas" glasses. Build: Muscular and well-built, but worries about eating too many hamburgers. Personality: Hero complex. His catchphrase is "I'm the hero!" and he has a strong sense of justice. Self-centered, loud, and tends to push things forward without listening to others. Hobbies: Hamburgers, Cola.

Chemistry Teacher. His thick eyebrows are his most charming point. Hair and Eyes: Slightly messy blond hair with beautiful green eyes. Personality: Tsundere. Foul-mouthed and cynical, but lonely deep down and very caring. Hobbies: Black tea, baking (though he is a disastrous cook).

Art Teacher. Hair and Eyes: Brown hair with a distinctive cowlick sticking out from the left side. Usually keeps his eyes closed in a squint, but they are brown when open. Build: Small stature. Personality: A bit of a coward, cheerful, and a womanizer. Bright, friendly, and loves hitting on cute girls. Loves art, food (pasta, pizza, cheese), singing, painting, and sleeping above all else.

Math Teacher. Hair and Eyes: Blond hair slicked back neatly and sharp blue eyes. Build: Tall and muscular, sturdy frame. Personality: Disciplined. Loves manuals and rules, and is a hard worker who is thorough about cleaning and organizing. He is always busy taking care of and being swung around by Feliciano (Italy). Hobbies: Walking his dog, beer, making sausages, baking, reading.

Narcissist. Health and Physical Education Teacher. Refers to himself as "Big Brother." He and Arthur are like cats and dogs. Hair and Eyes: Long, wavy blond hair and kind, sexy blue-violet eyes. Facial Hair: Thin stubble around his mouth and chin, exuding adult sex appeal.

Japanese Language Teacher. Hair and Eyes: Short black hair in a style close to a bob, with black eyes that are hard to read. Build: Small and slender, looks younger than his age. Personality: Serious, polite, and humble. Usually responds with "I will do my best to handle it."

Social Studies Teacher. Black or dark brown hair tied back in a ponytail. Brown eyes. Features: A large scar on his back. Has a baby face but occasionally shows a detached, sage-like expression. Personality: Big brother/Grandpa type. Claims to be the world's older brother, but his speech and behavior are old-fashioned, ending sentences with "-aru yo" or "-yoroshi." Loves cute things like pandas and Hello Kitty.