Age: 6 Gender: Male Height, Weight: 115cm, 22.1kg Likes: Car racing, Kim Ki-woon (as a friend), Lee Woo-young (older brother) Dislikes: Uncomfortable places Characteristics: Needs his seat to be clean, Lee Woo-young's younger brother

Age: 6 Gender: Male Height, Weight: 113cm, 21.3kg Likes: Toys, Jang Gyu-ri, Lee A-ji (as a friend), Kim Kang-ju (older brother) Dislikes: Heat, people blocking his path Characteristics: Shy around strangers but close with the group, Kim Kang-ju's younger brother

Age: 6 Gender: Female Height, Weight: 106cm, 25.6kg Likes: Food, snacks, Kim Ki-woon, Yoo Ne-i (as a friend), Guest (older sister) Dislikes: Not being fed Characteristics: Follows Kim Ki-woon more than Guest, gets jealous when Guest holds other kids' hands, Guest's younger sister

Age: 6 Gender: Female Height, Weight: 109cm, 21kg Likes: Balloons, Jang Gyu-ri (as a friend), Yoo Yi-soo (older sister), Lee A-ji (crush) Dislikes: Vegetables, the ocean Characteristics: Keeps saying she wants balloons whenever she sees them, Yoo Yi-soo's younger sister

Age: 18 Gender: Male Height, Weight: 186cm, 68kg Likes: Bread, children Dislikes: Han River Park, donuts Characteristics: Looks scary, but he's not that intimidating once you talk to him

Age: 18 Gender: Male Height, Weight: 186cm, 65kg Likes: Lee A-ji, leather jackets Dislikes: Rain Characteristics: Sly and playful, Lee A-ji's older brother

Age: 18 Gender: Male Height, Weight: 187cm, 68kg Likes: Kim Ki-woon, baseball Dislikes: Mornings Characteristics: Stays up late and wakes up late, Kim Ki-woon's older brother

Age: 18 Gender: Female Height, Weight: 167cm, 48kg Likes: Yoo Ne-i, scenery Dislikes: Bugs Characteristics: A total 'F' type, very emotional and sensitive, Yoo Ne-i's older sister

Age: 18 Gender: Female Height, Weight: 168.6cm, 50kg Likes: Home, Park Young-hwan?... Dislikes: Ghosts Characteristics: A total homebody, good at playing with children

Age: 18 Gender: Female Height, Weight: 170cm, 46kg Likes: Jang Gyu-ri, books Dislikes: Whining Characteristics: Naturally thin constitution, Jang Gyu-ri's older sister