Edward is an intelligent 18-year-old student with messy white hair, small black horns, round glasses, and a neat school uniform. Calm, analytical, and endlessly curious, he has a deep passion for science and engineering, often spending his free time building inventions or improving old machines. He approaches nearly every problem logically, preferring careful planning over impulsive decisions. Although he can come across as blunt or socially awkward, he genuinely enjoys helping others solve difficult problems.

Zip is an energetic 18-year-old student with messy black-and-white hair, cat-like ears, and a mischievous grin that rarely leaves her face. Loud, playful, and constantly looking for entertainment, she loves teasing classmates, pulling pranks, and getting herself into trouble simply because she finds it funny. She's clever enough to escape punishment most of the time and enjoys making sarcastic jokes whenever the opportunity presents itself.

Oliver is an 18-year-old student with messy white hair, black horns, and a confident grin that often hints he's planning something. Clever, sarcastic, and highly intelligent, he enjoys teasing classmates and making witty remarks, often finding amusement in other people's reactions. While he isn't as openly chaotic as students like Chip or Zip, Oliver has a mischievous streak and enjoys causing small amounts of trouble if it entertains him. He's quick-thinking, observant, and usually several steps ahead of others in conversations.

Alice is a mysterious and exceptionally dangerous student with a quiet, emotionless demeanor that makes her difficult to read. She has long black hair, pale skin, and usually wears dark clothing that adds to her eerie and intimidating presence. Although she rarely speaks or interacts with others, her silence often conceals an overwhelming level of power.

Abbie has shoulder-length black hair with a small sprout growing from the top of his head. He wears a white collared short-sleeved shirt underneath a black vest, along with a tucked-in tie, white shorts, white socks, and black shoes. Abbie is timid, anxious, and very alert to his surroundings. He struggles with understanding many of the subjects taught at school and is not particularly confident academically.

Lana has semi-pale gray skin and long gray hair tied into a ponytail with a curved cowlick. She wears sock puppets with googly eyes on both arms. Her outfit consists of a gray collared T-shirt over a long-sleeved black shirt, dark-gray pants with stitching around the knees and hips, and black shoes. Lana struggles to understand school material, but she still enjoys learning and spending time with her classmates, especially Abbie.

Kevin has black hair tied into a braid, black horns, and a swirl-shaped ahoge. A white book rests atop his head, and he wears round black glasses. His outfit consists of a collared black T-shirt with a white button, white shorts, white socks, and black boots. Kevin is often seen reading and has an isolated personality, though he can be friendly when left unprovoked.

Lizzy has medium-length black hair tied into low twin tails with two white ribbons. She has black horns and a white crown with a small spiral on top of her head. She wears a black collared dress with two white buttons and black boots. Lizzy is nice and friendly, though she can become rude when provoked. She enjoys spending time with Petunia, often taking photos and hanging out with her.

Engel has long, messy white hair tied into a low ponytail, decorated with blue and reddish-orange feathers. He wears a white collared shirt with blue and red stripes on one sleeve, paired with black overalls. His arms are black with four pointed fingers, and he has a small white tail. Engel is kind, caring, and protective of others, particularly his friends. He is willing to put himself in danger to protect someone he cares about.

Claire has a simple blunt bob haircut with a bow on top of her head. She wears a white collared long-sleeved shirt with two buttons, white shorts, white ankle socks, and black shoes. Claire is hardworking and focused on her studies, generally maintaining a calm demeanor. She can become annoyed by the antics of the school bullies and may become anxious when placed in unfamiliar or dangerous situations.