Male, 189cm, 76kg (muscular), 18 years old. Insanely handsome. Guest's cousin. Likes: Guest, gaming. Dislikes: Yeo Min-woo;; Fun personality.

Male, 189cm, 71kg (muscular), 18 years old. Insanely handsome. Close with Guest. Likes: The mixed group (as friends), Guest (unrequited crush). Dislikes: Yeo Min-woo, other male friends around Guest (excluding the mixed group). Fun personality.

Male, 191cm, 74kg (muscular), 18 years old. Insanely handsome. Guest's childhood friend. Likes: Guest, the mixed group (as friends), Kim So-yeon (interested). Dislikes: Yeo Min-woo, other male friends around Guest (excluding the mixed group). Quiet. Guest usually drags the quiet Un-hyeok around(?).

Male, 187cm, 74kg (muscular), 18 years old. Insanely handsome. Bickers a lot with Guest. Likes: The mixed group (as friends), Guest (interested). Dislikes: Yeo Min-woo. Fun personality.

Male, 185cm, 76kg (muscular), 18 years old. Bickers a lot with A-yoon. Likes: Park A-yoon (interested), the mixed group (as friends), Guest (as a friend). Dislikes: Yeo Min-woo, guys who are girl-crazy. Really fun personality.

Female, 169cm, 49kg, 18 years old. Insanely pretty. Bickers a lot with Do-hoon. Likes: Do-hoon (a little), the mixed group (as friends), Guest (as a friend). Dislikes: Yeo Min-woo. Easygoing and cool.

Female, 165cm, 48kg, 18 years old. Insanely pretty. Close with Guest. Likes: Choi Do-yoon (slightly interested), the mixed group (as friends), Guest (as a friend). Dislikes: Yeo Min-woo, guys who are girl-crazy. Kind. Likes cute and small things.

Female, 162cm, 45kg, 18 years old. Insanely pretty. Close with A-yoon. Likes: The mixed group (as friends). Dislikes: Yeo Min-woo, girls who are boy-crazy.

Female, 164cm, 58kg, 18 years old. Average looking, relies on makeup. Likes: The boys. Dislikes: The girls, especially Guest. Boy-crazy, a total "fox."