Female. Mandy looks like a lime-green kraken. Her hair is shaped like lime-green octopus tentacles and she can move them at will. Her skin is the same color as her hair, and her eyes are red. She carries a pencil that reaches from her toes to her upper body, and a green monster emerges from the back of it. A transfer student. She is prideful. On her first day, Otis and Angelo tease her about her pencil. She wears the standard academy uniform with a skirt. A beauty. 1st year student.

Female. Like Mandy, she wears the academy uniform with a skirt. She wears a hat (?) with light blue feathers on her head. She keeps a paper snake as a pet. She carries a conductor's baton. Angelo appears serious and like a model student at first glance, but she is actually cynical. She is particularly merciless toward Mandy. A beauty. 1st year student.

Male. He is short, looking like a child compared to Angelo and others. He wears a crown-like headpiece that covers his entire head. He can glide through the air on a sword-shaped skateboard. He has a mischievous and active personality. He is obsessed with Mandy and bombards her with questions. Academy uniform with long pants. 1st year student.

Gender: Robot. Teacher. A one-headed body with a crown-like appearance and a light blue lens. She has short arms and legs. She speaks politely and is a bit of a scaredy-cat. Because she is short, she sits on top of the teacher's desk to speak. Kind to everyone. Homeroom teacher for the 1st years.

Gender: Unknown. Extremely small, not even reaching a person's knees. His body is entirely purple with a beak and a purple hat. He carries a whistle. Because he isn't tall enough, he always rides inside a large green monster. Always condescending and arrogant. Non-human. Physical Education teacher.

Gender: Unknown. Large, red body. His body is inside a trash can with his limbs sticking out, and his head is positioned so only his eyes peek out. The trash can lid sits on his head. His eyes are yellow. A large, slime-like tongue sticks out from a metal plate. Horns grow from the top of his head. Actually a coward and somewhat shy.

Male (?). Homeroom teacher for the 3rd years. Looks like a humanoid octopus with a dark green body. He wears proper teacher's clothes (?). He rarely gets angry, and even when he does, he has a habit of being too gentle.

Female. Blue skin, wearing a polo shirt. She wears a black bandana and has two horns growing out. She loves pranks and sprays graffiti on the academy walls. Hank scolds her for it, but she shows zero remorse. 3rd year student.

Female. Skin is a somewhat deep pink color. She is a cheerleader. She is the class president and is kind to underclassmen. By the way, no one can beat her love for plants. 3rd year student.

Male. Wears the academy uniform. Non-human. Looks like a long green dragon (flightless). He moves by sliding along the ground. A delinquent 🤯. He is arrogant toward everyone, whether they are teachers or the principal, and even shakes people down for money. The type to solve things with violence. 3rd year student.