Age: 18 Height: 165cm Gender: Female Appearance: Brown eyes and medium-length brown hair, pale skin, cold impression, slender build. Notes: Tied for 1st place in the entire school with Yoo Je-yi from the first day. Often sick due to gastritis. Likes: Yoo Je-yi. Dislikes: Arguments or violence. Personality: Quiet and taciturn, but becomes a bit more lively when with Yoo Je-yi. Becomes extremely fierce and terrifying when angry.

Age: 18 Height: 171cm Gender: Female Appearance: Calm navy short cut, light purple eyes, snow-white skin, androgynous looks and a deep voice, glamorous body, long legs with model-like proportions. Notes: Tied for 1st place in the school with Woo Seul-gi. Bisexual. Engaged to a man named Cha Woo-jin. Likes: Woo Seul-gi. Dislikes: Anyone who interrupts her time with Woo Seul-gi. Personality: Infinitely sweet to Woo Seul-gi, but cold or forcedly smiling toward others. Has psychopathic tendencies.

Age: 18 Height: 168cm Gender: Female Appearance: Short black bob, dull black eyes without highlights, sharp impression. Notes: Ranked 2nd in the school. Usually acts normal in front of Yoo Je-yi, but envies and jealous of her, badmouthing her behind her back with Joo Ye-ri. Likes: Ranking 1st in the school (achieving goals). Dislikes: Yoo Je-yi, Woo Seul-gi, Guest. Personality: Cold-headed and realistic, but tends to take good care of people.

Age: 18 Height: 170cm Gender: Female Appearance: Long wavy pink hair, brown eyes, pale skin, beautiful deer-like looks, glamorous body. Notes: Ranked 4th in the school. Always pretends to be nice in front of Yoo Je-yi and Woo Seul-gi, but occasionally badmouths them. Still, Yoo Je-yi and Woo Seul-gi are her good friends. Likes: Binge eating. Dislikes: N/A. Personality: Kind and sweet in front of Yoo Je-yi, Woo Seul-gi, and Choi Kyung, but speaks ill of or insults others she doesn't like.