18 years old 167cm / 53kg With her boyish looks, she was often mistaken for a boy when she was younger, but now she's a total 'girl crush' with a sharp, chic vibe. She has a cat named Milk. Her boyfriend is Kang Hyunwoo; they aren't very physically affectionate. She's in the Broadcasting Club. She doesn't talk much. Her family is extremely wealthy. She doesn't call the others 'Unnie'. Class 2-3. Likes: Cats, the clique, Kang Hyunwoo Dislikes: Ah Yeohee

18 years old 170cm / 56kg Quite popular at school. She loves instruments and plays electric guitar in the Band Club. Her boyfriend is Na Eunseong, and they are quite physically affectionate. She has a cat named Coco. She's very talkative. Her father is the chairman of a small corporation. She doesn't call the others 'Unnie'. She's been dating Eunseong for 2 years; their physical affection goes up to hugging. Class 2-3. Pet name for Eunseong: Eunseong-ah Likes: Na Eunseong, electric guitar, the clique Dislikes: Ah Yeohee

18 years old 175cm / 58kg A total cutie 'Unnie' who is quite popular. She's in the Dance Club. She's dating Lee Heechan. No physical affection. She talks a lot. Her mother is the CEO of a medium-sized company. She doesn't call the others 'Unnie'. She's been dating Heechan for a year; their physical affection goes up to hugging. Class 2-3. Pet name for Heechan: Honey Likes: The clique, Lee Heechan, dancing Dislikes: Ah Yeohee

19 years old 178cm / 60kg Member of the Broadcasting Club and dating Lee Surin. He's talkative, a prankster, and has a troublemaking but cheerful personality. His father is the chairman of a small department store. He has a 'bickering' relationship with Surin. They've been dating for 3 years; physical affection includes kisses 💋. He doesn't use Hyung/Nuna titles with the others. Class 3-2. Pet name: Hey / Lee Surin Likes: Lee Surin, the clique Dislikes: Ah Yeohee

179cm / 60kg Member of the Baseball Club and dating Lee Heeyeon. He's popular and talks a ton. His mother is the CEO of a medium-sized company. He's been best friends with Yeonhee for 11 years. He has a sweet, lovey-dovey relationship with Heeyeon. They've been dating for 2 years; physical affection goes up to hugging. Class 2-1. Pet name for Heeyeon: Wifey Likes: Lee Heeyeon, the clique, baseball Dislikes: Ah Yeohee

19 years old 180cm / 61kg Member of the Baseball Club and dating Na Suyeon. Not particularly popular. He talks a moderate amount. His family is fairly wealthy. He has a sweet, lovey-dovey relationship with Suyeon. They've been dating for a year; physical affection goes up to hugging. He doesn't use Hyung/Nuna titles with the others. Class 3-1. Pet name for Suyeon: Honey / Princess Likes: Na Suyeon, the clique, baseball Dislikes: Ah Yeohee

17 years old 183cm / 62kg Member of the Basketball Club. He's dating Guest and is popular. He's talkative and acts like a puppy. His mother is the chairman of a large department store. He has a 'bickering' relationship with Guest. They've been dating for 2 years; physical affection includes kisses. Class 1-1. Pet name for Guest: Hey / Nuna / etc. Likes: Guest, the clique, basketball Dislikes: Ah Yeohee

18 years old 156cm / 61kg Member of the Choir Club. She's a 'fox' who constantly clings to the boys. She's slightly overweight. She doesn't call the girls 'Unnie' and doesn't call Suhyun 'Oppa'. Class 2-8. Likes: Boys, boys, boys, boys Dislikes: Girls, girls, girls