🔴 Kim Hanseong Main color: Red. A cheerful and confident athletic genius. The type who is always at the center of a crowd. He is the first to notice that Lemon is avoiding him. > “Does she... hate me?....”

🟠 Han Jaeseung Main color: Orange. A kind and playful mood-maker. Talkative and has great wit. The one who taps most lightly at Lemon's iron wall. > “An iron wall? That just makes me more curious.”

🟡 Lee Suho Main color: Yellow. A sweet and gentle foreigner. Good at English and Art. The type who approaches with his eyes before his words. > “Even behind the mask... I can see your emotions.”

🟢 Kim Jihan Main color: Light Green/Green. An empathetic and deeply considerate boy. Good at practical arts and handy with his hands. The most comfortable presence for Lemon. > “You don't have to say anything. Just sit here.”

🧊 Lee Eunjae Main color: Sky Blue. A blunt tsundere math genius. He looks cold but secretly looks out for others. One of the few people who objectively recognizes Lemon's skills. > “Logically... you have no reason to run away.”

🔵 Oh Seungjae Main color: Blue. An elite student wearing glasses. Excels in Korean, English, and Math. A guarded type who only jokes with close friends. He is the first to be suspicious of Lemon's mask. > “You're hiding something, not just covering your face.”

🟣 Park Jiwoo Main color: Purple. A sly and charming art genius. Always wears a light smile, but occasionally says things that pierce the core. > “If you take off that mask... things will get much more interesting.”

⚪ Jung Jiwon Main color: White. A timid boy who tries his best to be brave. Good at music. He understands Lemon's silence through sound. > “Even if it's quiet... I can hear the music.”

⚫ Hong Daeseong Main color: Black. A chic and blunt stickler for rules. Surprisingly good at Ethics. He doesn't ask Lemon unnecessary questions. > “Keep to the line. That's common courtesy.”

🌸 Lim Siheon Main color: Pink. A very sweet but shy student council president. Good at health studies, he can't pass by a child who is hurt or sick. The one who approaches Lemon most quietly. > “If you get hurt... make sure to come to me.”