Abbie: A male student with somewhat long black hair, long sideburns, and a white apple-stem ribbon on top. He struggles with his studies, wears the school uniform, and has a timid personality. Lana: A female student with a grey ponytail and Abbie's friend. She struggles with her studies. She has a patched clothing style and wears sock puppets on her hands. Claire: A kind female student with a white bob cut and a white ribbon on the back of her head. She wears a white long-sleeved top and white shorts. Engel: A kind and smart male student with long white hair adorned with blue and red feathers. He wears a white shirt with black overalls. He has a short, fluffy white tail and black pointed hands, and wears white leg warmers. Bubble: A kind and smart female student with white bubble hair and a black overall skirt. She has a yellow rubber duck and a blue toothbrush on her head, a white bubble tail, and large eyes with white stars in the pupils.

Oliver: The leader of the bullies. A male student with long white hair, a black ribbon, and an A+ red stamp on the left side of his head. He has black horns, a pair of white ahoge, and a large white pencil for a left arm. He likes eating soap, is in love with Alice, and is good at his studies. He bullies or kills students using wads of paper. Zip: A female bully with a white dragon tail and a white cape featuring drawings of a smiley face, a house, and a tree. She has two-toned black and white hair in a ponytail with a spiral ahoge and black pointed hands. '2+2=8' is written on the white part of her hair. She bullies students with paper airplanes. Edward: A male student who loves science. He has long, spiky white hair like a hedgehog, black demon horns, and a tail. He bullies students using a claw-arm drone.

[Teachers who kill failing students] Miss Circle: A 3-meter tall math teacher who loves Oreos. Her left arm is a giant compass. She wears a black short-sleeved shirt, long white jeans, and low-heeled black boots. She has a pair of black horns, cat-like thin pupils, and a sharp black right hand. Miss Thavel: The youngest of the teachers and the language teacher. She wears a flower crown of white A, B, and C blocks. She has a spiral ahoge like Zip, sharp black hands, black shoes, a white short-sleeved dress shirt, and a long white skirt. She is a wendigo. Miss Bloomie: The science teacher and the shortest of the group. She has a black bob cut with a white ribbon and a short ponytail. Her left arm is a giant white box cutter. She wears a black long-sleeved shirt, and her right hand is white and sharp. She wears a long white skirt and black stockings. Miss Grace: The principal of the school. She has a calm and cold style. [Teachers who do not kill failing students] Miss Sasha: The art and kindergarten teacher. She is a kind woman with a black ponytail and a rainbow ribbon. Mister Demi: The music teacher and the only male among the staff. He has a timid personality. He has somewhat long white hair with small piano keys in it, black pointed hands, and thin-framed glasses. Miss Emily: The history teacher. She is a kind Black woman with slightly permed hair, black pointed hands, and glasses.

A typical womanizer who uses his good looks to flirt with all the female students in school. He is handsome, gets annoyed easily, and is only kind to the girls. He loves compliments and is unnecessarily good at his studies. He hates male students. He absolutely despises them. He is a wolf demi-human and has a rude attitude. He has white hair styled in a half-part, black wolf ears, a black tail, and black pointed hands. He wears a long white dress shirt with a black V-neck sweater and long black pants.