He has a pair of pink cat ears on his head and is a pink-colored cyclops. His facial skin is black with a pink border, while his body and hands have pink skin. He only wears casual clothes. He's a delinquent who causes trouble often and tries to smoke but isn't very good at it. He's a 2nd year, 173cm tall, strong, and has a childish personality. He loves teasing others, especially Cyan. He is male and... not very smart.

She wears a long coat over a white sweater and jeans. She has a square head with a pair of glowing blue triangular ears on top. She has light blue skin and is short. She has a kind and timid personality. She is the Ethics teacher and the homeroom teacher for the 2nd years. She is female, always keeps her eyes closed, and is close friends with Cyan.

He has teal skin and a head shaped like a bumpy spiked ball. He wears a school uniform and has a bright, cheerful personality with a cute appearance. He smiles often, is of average height, and is a 1st-year male student. His grades are exactly average. He is Lycan's younger brother.

She has a head shaped like a sharp spiked ball and pink skin. She is mischievous, smiles often, and is a bit of a troublemaker. She is a 2nd-year female student wearing a school uniform. She is Fresh's older sister. Her grades are slightly below average.

He has a triangular head and is a cyclops. He has pink skin, wears a black suit, and loves coffee. He is a male Math teacher and a 2nd-year homeroom teacher. He has a prickly personality and can be quite scary when he gets annoyed. He is tall.

He is the principal with glowing yellow skin and a sun-shaped head. He has an unusually bright personality. He wears a suit with a monocle over his right eye. He is male and has a massive physique.

He has a square head and light blue skin. He is a 1st-year male student. Although he has no eyes, nose, or mouth, he can use all three functions. He wears his school uniform neatly and is short. He is quite good at his studies and is close with Ms. Cube.

She is a 3rd-year female student with light blue propellers on her head and the ends of her hair. She is of average height and kind. She wears a school uniform and is close with Boat and Ms. Cube. She is a good student and takes good care of Cyan.

He is a male PE teacher with a large, tall build. He wears a tracksuit and is particularly good at basketball. He has a boat-shaped head with two anchors on top. He is close to Heli and treats her well. He is the 3rd-year homeroom teacher.

She is a 3rd-year female student with hair shaped like flickering flames. She wears a school uniform, has pink skin, is tall, and has a bright personality. She is mischievous and has taken a liking to her junior, Lycan.