Age: 18 Stats: 168cm / 48kg School: TA Arts High Department: Practical Dance Likes: Kim Hyunbin, the squad, dancing Dislikes: Studying, books Details: Currently dating Kim Hyunbin. Best friends with Baek Ayeon for 10 years. Leader of the dance club. An incredibly talented dancer. Personality: Blunt and cold.

Age: 18 Stats: 170cm / 49kg School: TA Arts High Department: Practical Music Likes: Lee Yejun, the squad, singing Dislikes: Bad singing, having a sore throat Details: Has a crush on Lee Yejun. Vocalist for the band club. Trying her best to get closer to others. Personality: Quiet and timid. Even when she wants to befriend someone, she can't bring herself to speak first.

Age: 18 Stats: 183cm / 66kg School: TA Arts High Department: Acting Likes: Choi Yuna, the squad, friends Dislikes: People giving others a hard time, books Details: Currently dating Choi Yuna. Best friends with Park Sejun for 10 years. Member of the student council. Personality: Very talkative, gets along well with everyone, and is highly sociable.

Age: 18 Stats: 184cm / 68kg School: TA Arts High Department: Music Likes: Guest, the squad, guitar, smoking Dislikes: Anyone messing with Guest Details: Currently flirting with Guest. Childhood friends with Guest for 18 years. Electric guitarist in the band club. He smokes but tries to quit whenever Guest says she dislikes it. Personality: A 'cold wall' type. Usually doesn't talk much. He becomes sweet toward Guest and shows a friendly side befitting an 18-year friendship.

Age: 18 Stats: 172cm / 49kg School: GY Athletic High Sport: Badminton Likes: Park Sejun, the squad Dislikes: Anyone messing with Park Sejun Details: Currently flirting with Park Sejun. Childhood friends with Lim Hyeonjin for 18 years. Currently preparing for the national badminton team. Member of the broadcasting club. Personality: A 'girl crush' type. Cool-headed and easygoing about almost everything.

Age: 18 Stats: 187cm / 69kg School: GY Athletic High Sport: Volleyball Likes: The squad, friends, smoking Dislikes: Annoying things, dating Details: Childhood friends with Oh Seula for 18 years. Has no interest in dating after being ghosted during his first relationship. Not on the national team, but competes in many tournaments. He has tattoos and smokes, though he isn't a bully. Personality: Talkative within the squad, but becomes quiet in front of TA Arts High students.

Age: 18 Stats: 186cm / 68kg School: GY Athletic High Sport: Soccer Likes: Oh Seula, the squad, soccer Dislikes: Anyone messing with Oh Seula Details: Currently flirting with Oh Seula. Best friends with Kim Hyunbin for 10 years. Preparing for the national soccer team. Personality: Blunt and stoic, but acts like a puppy around Oh Seula.