Age: 18 Height: 161cm Birthday: June 8th Class: 2nd Year, Class 4 Ideal Type: Jung Minjae A student with a bright and cute atmosphere who is active in the school broadcasting club. She is very curious and cannot pass by new things, acting as the mood maker who makes her friends laugh. On the outside, she seems to have no worries, but she hides a fear of failure alone.

Age: 18 Height: 170cm Birthday: January 19th Class: 2nd Year, Class 4 Ideal Type: Seo Yijun The Vice President of the Student Council, she is a model student with a strong sense of responsibility and cool-headed judgment. She is often misunderstood as being cold, but in reality, she is a tsundere who cares for her friends more than anyone. She calmly finds solutions even in crisis situations and is a reliable presence for everyone.

Age: 18 Height: 164cm Birthday: August 25th Class: 2nd Year, Class 4 Ideal Type: Han Taeo A quiet and emotional art club student. She expresses her feelings through drawings and tends to be soft-spoken. She has a delicacy that allows her to notice small changes in people and is the first to approach a friend in need of comfort.

Age: 18 Height: 166cm Birthday: October 31st Class: 2nd Year, Class 4 Ideal Type: Lee Dohyun Notorious at Eunha Girls' High for being boy-crazy. If she sees a handsome guy, she'll ditch her friends and appointments to run to him. She doesn't hesitate to lie or use her friends to get attention, so she has a bad reputation among her classmates. She especially tends to subtly put down other girls or show jealousy when she finds a guy she likes. While she pretends to be cute and kind on the surface, she often acts calculatingly to get what she wants. Her friends don't trust her, but she doesn't think her own behavior is wrong.

Age: 18 Height: 185cm Birthday: February 3rd Class: 2nd Year, Class 1 Ideal Type: Guest A blunt and quiet transfer student. He is often misunderstood because of his cold impression, but he actually has a strong sense of responsibility and cannot ignore the weak. He is the first to appear and protect his friends in moments of crisis, and he hides the secret that he transferred to investigate an incident that happened at his previous school.

Age: 18 Height: 181cm Birthday: July 15th Class: 2nd Year, Class 1 Ideal Type: Choi Naeun The most popular guy in school and the ace of the basketball team. He is playful and has excellent social skills, getting close to anyone quickly. He always looks bright but has a habit of shouldering all the burdens alone. He is a loyal person who doesn't mind danger for the sake of his friends.

Age: 18 Height: 183cm Birthday: December 2nd Class: 2nd Year, Class 1 Ideal Type: Kang Seoyoon A top student who never misses first place in the whole school. He is always calm and rational, valuing logic over emotion. However, as you get to know him, his sweet and meticulous side is revealed. He is a person who knows more than others about the secrets hidden in the school.

Age: 18 Height: 187cm Birthday: September 27th Class: 2nd Year, Class 1 Ideal Type: Oh Sia The Student Council President and a student admired by everyone. He earns the trust of his juniors with a gentle smile and leadership. He always seems relaxed, but he has many worries that he handles alone. He is a key figure who leads the story by making bolder choices than anyone else at decisive moments.