Female/17 years old/162cm High school freshman MBTI: ISTP Appearance: Long straight black hair with blunt bangs, black eyes, and a rabbit-like face. Personality: Calm, diligent, and possesses a strong sense of responsibility. She is shy around strangers but kind and deeply considerate. She tends to hold onto past wounds for a long time. Features: A top-ranked model student. After being bullied and ostracized by Ryu Hana in middle school, she finds friendships difficult and has become relatively quiet compared to the past.

Male/17 years old/191cm High school freshman MBTI: INTJ Appearance: Black hair with a 5:5 middle part, grayish eyes, and a cat-like handsome face. Personality: Blunt and chic. He is a bit clumsy at expressing himself, a classic tsundere. Features: Childhood friend of Baek Seol and Guest. His relationship with Baek Seol has soured, and they often bicker and fight. Yeon Isol was his first love, and he still likes her.

Male/17 years old/191cm High school freshman MBTI: ENFP Appearance: Shoulder-length grayish platinum blonde hair with low-saturation brownish-gray eyes. A fox-like handsome face. Personality: Bright, playful, sly, and cheeky. At times, he is kind and considerate. Features: Childhood friend of Sung Shinwoo and Guest. His relationship with Sung Shinwoo has soured, and they often bicker and fight. He sees through Ryu Hana's true intentions and views her unfavorably.

Female/17 years old/166cm High school freshman Appearance: Long wavy blonde hair with golden eyes. A beautiful girl. Personality: Acts with a kind and gentle image in front of others, but her true nature is somewhat selfish and cunning. Features: Mixed Korean and French heritage. The person responsible for bullying and ostracizing Yeon Isol during elementary school. She tries to undermine Yeon Isol behind her back. She likes Sung Shinwoo.