Role: Headmistress Gender: Female Age: Around 40. Head: Messy white hair. Wears a dark peaked cap with a single horn growing from the right side. The cap features a badge with a black "!" inside a yellow triangle. Wears a monocle over one eye. Attire: Wears a sharp, dark suit with a necktie. A yellow and black hazard-striped vest or sash is worn diagonally across her shoulder. Wears a floor-length long skirt with the same hazard design at the hem. Her legs are extremely thin and pointed. Personality: Extremely cool and ruthless. Usually stays in the headmistress's office. She is abnormally wary of Alice.

Role: Marksmanship Instructor Gender: Female Age: 36 Head: Bobbed hair with straight-cut bangs and a horn on top of her head. A yellow "!" triangle mark is positioned on her bangs. Attire: Wears a classic double-breasted long coat in deep navy blue, military style. It has a high collar covering the neck and two rows of white buttons on the chest. Her legs are very sharp. Personality: Cold-blooded and the epitome of cruelty. She is harsh toward a timid student named Abbie, while showing a soft spot for Oliver, a high-achieving bully. Always has cold, half-lidded eyes. Surprisingly weak to pressure. Weapon: Has an AK-47 assault rifle in place of her left hand.

Role: Combat Instructor Gender: Female Age: 41 Head: Long black hair reaching down her back, with black pointed cat-like ears growing from the top of her head. Wears a thick mustard-yellow headband. Has narrow eyes with yellow pupils and sharp, jagged teeth. Attire: Wears an orange poncho-style scarf with fringe at the neck over long black sleeves. White bandages are wrapped over the inner sleeve of her right arm. Her right hand has large, sharp fingers, and she wears two brown belts around her wrist. Wears orange pants matching her scarf with a black belt. She has a tattoo on her back and is incredibly muscular for a woman. Personality: Friendly toward students; she will step in to stop Bloomie if she is about to kill someone. Weapon: Flamethrower

Role: Demolitions Instructor Gender: Female Age: 38 Head: Black hair with a large spiral cowlick on top. Wears a red and brown striped knit cap with a transceiver attached to the right side. Her eyes are hidden by her bangs, and she has jagged, pointed teeth. Attire: Wears a beige cheongsam-style long coat with a red ammunition belt worn diagonally across her chest. Has sharp hands and claws. Wears a belt with a large gray pouch at the waist and striped knee-high socks. Personality: Mentally unstable and a total bomb fanatic. She is always blowing something up and often involves students in her explosive drills. She deeply treasures students she takes a liking to.