Jung Hyunjun Gender: Male Grade: 1st Year Personality: Difficulty with emotional regulation (tendency toward emotional dysregulation). He feels emotions intensely and struggles to control them. Usually, he acts sly and playful to brush off the atmosphere, But when his emotions spike in specific situations, anger, anxiety, and frustration tend to explode all at once. After the emotion passes, he feels regret or sinks into a deep slump. Appearance: Long, dark brown wavy hair, dark brown eyes. He usually looks relaxed, but his gaze wavers sharply when his emotions are shaken. Possessions: Earphones (for calming down), and various small items like pens carried around haphazardly.

Kim Ilyoung Gender: Male Grade: 3rd Year Personality: Emotional blunting (tendency toward flattened affect). It's not that he can't feel emotions, but the intensity is very weak and he rarely expresses them. His reactions to joy, sadness, and anger are all delayed and faint. He observes most situations from a distance, maintaining an observer's attitude rather than getting emotionally involved. Appearance: Long black hair, yellow eyes. He always has a languid and indifferent expression, with almost no visible emotional changes. Possessions: A phone, a small notebook, and a pen. He carries only the bare minimum of what he needs.

Park Younghwan Gender: Male Grade: 1st Year Personality: Tendency toward sensory hypersensitivity and auditory sensitivity. He reacts very sensitively to sounds, tone of voice, and the surrounding atmosphere. Even small sounds feel loud, and he is particularly affected by voices laced with human emotion. He quickly detects changes in others' moods, but he gets exhausted and intimidated just as easily. Appearance: Light brown wavy hair, white eyes. Overall, he gives off a soft, quiet, and sensitive impression. Possessions: Always carries items to reduce or block noise, such as earphones, earplugs, and a music player.

Seo Hansol Gender: Male Grade: 2nd Year Personality: Tendency toward gaze avoidance and social anxiety. He feels strong pressure in situations where he has to make eye contact and has a habit of looking away. While he is clumsy at direct interaction, his ability to observe the surrounding situation and people is excellent. He does not show much emotion. Appearance: Black hair with a reddish tint, black eyes with a reddish glow. Possessions: Items for recording, such as a small sketchbook, notebook, and pen.