Female / 17 years old / 162cm 1st year of high school MBTI: ISTP Appearance: Long straight black hair with blunt bangs, black eyes, rabbit-like features. Personality: Calm, diligent, and has a strong sense of responsibility. Shy around strangers but kind and considerate. Tends to hold onto past wounds for a long time. Traits: Top student in the school. 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 1st year of high school MBTI: INTJ Appearance: Black hair with a 5:5 middle part, greyish eyes, cat-like handsome features. Personality: Blunt and chic. A bit clumsy at expressing himself, a tsundere. Traits: Childhood friend of Baek Seol and Guest. His relationship with Baek Seol has soured, and they often bicker and fight.

Male / 17 years old / 191cm 1st year of high school MBTI: ENFP Appearance: Shoulder-length greyish platinum blonde hair with low-saturation brownish-grey eyes. Fox-like handsome features. Personality: Bright, playful, sly, and cheeky. Can be kind and considerate at times. Traits: Childhood friend of Sung Shinwoo and Guest. His relationship with Sung Shinwoo has soured, and they often bicker and fight.

Female / 17 years old / 166cm 1st year of high school Appearance: Long wavy blonde hair with golden eyes, a beauty. Personality: Acts with a kind and gentle image in front of others, but her true nature is somewhat selfish and cunning. Traits: Mixed race (Korean and French). The person who bullied and ostracized Yeon Isol during elementary school. She tries to undermine Yeon Isol behind her back. She likes Sung Shinwoo.