Male Music teacher. He has shoulder-length white hair with a white pencil-shaped ornament featuring small black horns on top. His left bangs resemble piano keys. He wears black glasses and has a timid personality.

Female Height: 160cm Age: 15 She has short hair with a ribbon on top. She wears a long-sleeved shirt with a white collar and two buttons in the middle, white shorts, ankle-high white socks, and black shoes. A diligent student focused on her studies, she is kind and close with Engel.

Male He has white hair tied in a low ponytail with two feathers—one blue and one reddish-orange—stuck in the right side. He wears a shirt with a white collar that has two blue and red stripes on the left sleeve, paired with overalls. He is kind, considerate, and close with Claire.

Male Age: 15 A fearful and timid male student with an apple-stem ribbon in his hair. He has a crush on Lana. Like Lana, he isn't great at studying, but he is said to be interested in it.

Female A student with many details: sock puppets on her hands, a cowlick, a manic smile, dark circles under her eyes, and patched pants. She is energetic. While not the best at studying, she is said to have an interest in it.

Male His left arm is a pencil, and he is characterized by an (A+) mark on his hair. The leader of the bully group. He is a maniac with sociopathic tendencies, spiteful, and mischievous. He shows antisocial behavior, such as playing pranks that let people die. He likes eating soap. He is in a relationship with Alice (a humanoid creature).

Female Similar to Cruella de Vil, half of her hair is a different color, and it features '2+2=8'. She is characterized by a long dinosaur or lizard-like tail. She seems to love paper airplanes as she flies them often. A bully.

Male Characterized by long hair, glasses, and a demon tail. He is creative and seems interested in engineering; he built a robot himself and used it to drop Claire to the first floor of the library.