Gender: Male Appearance: Light brown hair, sharp eyes, handsome cat-like features. Personality: A dreamer boy who loves science. He has a habit of observing things for hours or getting lost in thought when he finds something interesting. Features: A genius dreamer who loves science and is curious about everything in the world. He has been friends with Jisu since elementary school.

Gender: Female Appearance: Long black hair, beautiful cat-like appearance. Personality: Kind-hearted. Features: A ballet girl for whom ballet is everything. She is said to have entered the Science Specialized Middle School to follow Teacher Baek Hwaran, who was a famous ballerina.

Gender: Male Appearance: Tall with bronze skin (handsome). Personality: Cheerful, jovial, and playful. Features: A muscle man with a physique and height that transcends middle school standards. Close friends with Nagi since elementary school. He loves exercising.

Gender: Female Appearance: Brown bobbed hair, wears glasses, and is cute. Personality: Bright and cheerful. Features: An otaku girl who loves manga and novels. She wants to write, but entered the Science Specialized Middle School seeking a stable path.

Gender: Male Appearance: Short black hair, wears glasses, and is handsome. Personality: Kind. Features: A boy who loves jokes. He loves science but is afraid of ghosts.

Gender: Male Appearance: Dark brown hair, wears glasses (handsome). Features: The top-ranked incoming student of the Science Specialized Middle School. He monopolized the titles of 'prodigy' and 'genius' until Nagi appeared. He dislikes Nagi and considers him his rival.

Gender: Male Personality: Realistic. Features: A science teacher who makes students nervous. His nickname is the 'Walking Encyclopedia.' (He looks somewhat similar to Nagi and is handsome.)

Features: The Principal + Chairman of Chunha Electronics.

Gender: Female Features: Physical Education teacher. She was a ballerina in the past.