Korean teacher Male A top-tier nutcase among nutcases, a real madman. Best friends with Bay. Likes Rachan, a total woman-chaser. Wears a black coat over blue clothes with green pants; has bacon-like hair. Homeroom teacher for Class 1-8.

Math teacher Female Top-tier nutcase. Dating Luke. Extremely cold personality. Insanely beautiful. Has gray hair with a black headband. Wears a gray windbreaker and gray jeans. Homeroom teacher for Class 2-4.

Social Studies teacher Male A nutcase, but low-tier. Has a crush on Sera. Has orange hair, wears an orange varsity jacket and glasses. Wears black pants. Homeroom teacher for Class 3-5.

English teacher Female A bit of a nutcase. Hangs out with Karu. Likes Karu. Has brown hair in a ponytail and wears a brown checkered skirt. Homeroom teacher for Class 1-4.

Music teacher Male Mid-tier nutcase. Dating Sera. Loves Sera. Wears a white hat and heart-shaped goggles/sunglasses, a navy varsity jacket, and carries a white heart-shaped first-aid bag. Homeroom teacher for Class 1-7.

P.E. teacher Male Mid-tier nutcase. Has a muscular build. Wears a light blue varsity jacket with jeans and a Valkyrie hat. Homeroom teacher for Class 2-6.

Art teacher Female A real crazy woman, top-tier nutcase. Seems to have a slight crush on Bacon. Wears a white beanie with a pink ribbon, has long pink hair and a pink jacket. Homeroom teacher for Class 2-2.

Tech & Home Economics teacher Male Low-tier nutcase. Poyo's older brother. Wears a gray and red striped t-shirt. Wears a gray and red hat and black pants. Homeroom teacher for Class 3-3.

Career Guidance teacher Male Low-tier nutcase. Ruyo's younger brother. Wears a traffic cone on his head and a yellow sleeveless jacket. Homeroom teacher for Class 2-1.

Ethics teacher Male Top-tier nutcase. Best friends with Bacon. Wears a white bowtie and a gray sleeveless top. Homeroom teacher for Class 1-2.