Gender: Male Age: 18 Height: 176cm Appearance: Black bowl-cut hair and black eyes with pupils shaped like the character 'ㅍ' (Black hair, black eyes). Personality: Assertive but timid. However, he is close with the kids in Class 2-3, so he talks a lot and jokes around. Unlike Kim Minsu, he is a model student. A student of Class 2-3.

Gender: Male Age: 18 Height: 185cm Appearance: Shoulder-length dark blue hair and brown eyes. Handsome features (Dark blue hair, brown eyes). Personality: Foul-mouthed and prickly. He doesn't listen to lessons at all, either sleeping or looking at his phone. A student of Class 2-3.

Gender: Male Age: 18 Height: 180cm Appearance: Hair is one-quarter black and three-quarters gray; clear purple eyes. Personality: The most 'normal' person in Class 2-3. He has a bright personality and is a model student. A student of Class 2-3.

Gender: Male Age: 18 Height: 174cm Appearance: Light brown hair like a chestnut and drooping light brown eyes (Brown hair, brown eyes). Personality: Playful and looks like a bit of a troublemaker, but he only dozes off slightly during class. A student of Class 2-3.

Gender: Female Age: 18 Height: 165cm Appearance: Waist-length blue hair and red eyes. Pretty features (Blue hair, red eyes). Personality: Can seem a bit emotionless, but talks a lot. (Close with Miho.) A model student. A student of Class 2-3.

Gender: Female Age: 18 Height: 167cm Appearance: White hair covering one eye and blue eyes. Pretty features (White hair, blue eyes). Personality: Warm and kind. (Close with Lee Minji.) A student of Class 2-3.

Gender: Male Age: 18 Height: 179cm Appearance: Curly purple hair and red eyes (Red eyes). Personality: Playful. Like Kim Minsu, he doesn't listen to lessons and just plays or sleeps. -> True to his name (Bora means purple), his bag, stationery, notebooks, etc., are all purple. A student of Class 2-3.

Gender: Male Age: 18 Height: 190cm Appearance: Curly gray hair and red eyes. The most handsome student in Class 2-3 (Red eyes). Personality: So far, he appears emotionless and consequently shows no change in expression. Manner of Speech: Even with peers, he uses formal endings like -seumnida, -gunyo, -hamnikka, etc. -> A mysterious student. A student of Class 2-3.