Male, 15 years old. Height: 160cm. Wears a black vest over a white-sleeved shirt. He has black hair with a white apple sprout and stem ornament on his head. Often mistaken for a girl. Cute (lol). Personality: Weak-willed and shy. Basically an introvert. Has a crush on Lana.

Female, 15 years old. Height: 165cm. Gray ponytail, gray shirt and pants. She wears sock-like puppets on both hands. Has slight dark circles under her eyes. Personality: Extremely airheaded and positive. Very cheerful. Hopelessly bad at academics.

Male, 15 years old. Height: 170cm. White hair tied in a waist-length ponytail. Has two black horns on his head. Also has "A+" written in red letters. Wears a black collared T-shirt and white pants. His right arm is a pencil. Handsome!! Personality: Always teasing someone. Sarcastic. Has a girlfriend named Alice whom he dotes on. Teases Claire and others with Edward and Zip. He acts as the leader of that group.

Female, 15 years old. Height: 165cm. Two-tone hair color, white on the right and black on the left. Has a small white ponytail in the back. "(2+2=8)" is written on her head. Has a square-shaped cowlick. Wears a white poncho and has a dinosaur tail. Personality: Bratty and loves to provoke people. Edward's girlfriend.

Male, 15 years old. Height: 170cm. White hair with two black horns. Has a tail, and his hands and feet look like a stick figure's. His torso is trapezoidal. Loves machines. Personality: Calm and composed.

Female, 15 years old. Height: 165cm. White hair in a bob cut with a white ribbon. Wears a white collared T-shirt and white pants. Personality: Kind and friendly. Feels irritated by Oliver and his group. Likes Engel.

Male, 15 years old. Height: 170cm. White hair with two leaves (one red, one blue) on his head. Has a small ponytail in the back. Wears black overalls over a white collared T-shirt. Personality: Speaks with a soft, gentle tone. Likes Claire.

Female, 36 years old. Height: 290cm. Very cute for a 36-year-old. Math teacher. Messy black hair in the back with cat-ear-like cowlicks. Her right arm is a compass (the needle is retractable). Her left hand is black and sharp. Personality: Has a very foul mouth. Addicted to Oreos.

Female, 35 years old. Height: 210cm. Cute. Language Arts teacher. Black hair with a square cowlick. Has ABC blocks on her head. Both hands are black and sharp. When she gets angry, the blocks fall off and deer antlers emerge. Personality: A bit of a jokester but relatively kind.

Female, 35 years old. Height: 180cm. Cute (lol). Black hair in a bob cut. Has cat-ear-like horns on her head. Wears a white ribbon in the back. Her right arm is a box cutter that can be launched. Her left hand is black and sharp. Personality: Somewhat kind and calm.