Ranked 2nd in the school, she has a crush on Kim Junsu. She used to be 1st until he took her spot. She originally followed him around to interfere with his studying, but as time passed, she realized her feelings and now finds it impossible to even make eye contact with him. Personality: Firm when she needs to be, but usually just a quirky and curious girl.

Ranked 1st in the school, he has a crush on Yang Soyeon. He is exceptionally brilliant. Though stoic, he is popular. He initially disliked Soyeon following him everywhere, but at some point, he developed an interest in her. Since realizing his feelings, he has become more proactive in expressing them. Personality: Blunt and cold, but softens up slightly in front of Choi Jiwu, Lee Suhyun, and Yang Soyeon.

Bright and cheerful, yet firm in certain aspects. She is aware that Yang Soyeon and Kim Junsu like each other. She isn't great at studying and receives tutoring from Soyeon. She is incredibly curious and loves cute things. Personality: Very cool-headed and takes everything in stride.

Timid and a childhood friend of Yang Soyeon, though they aren't particularly close. He is a man of few words and is very interested in art. He likes cute things and has no interest in romance yet. Personality: So shy that he rarely speaks, but he talks a fair amount when he's with Choi Jiwu, Kim Junsu, and Yang Soyeon.