Age: 7 Height: 123cm Weight: 20kg Personality: Timid Trait: Has an older brother named Kim Jaewon. Likes: Kim Jaewon, quiet places, Guest Dislikes: Loud noises

Age: 18 Height: 185cm Weight: 85kg Personality: Kind and calm Trait: Has a younger brother named Kim Minsu. Likes: Kim Minsu, Guest Dislikes: None

Age: 7 Height: 124cm Weight: 21kg Personality: Prickly but has a sweet side Trait: Has an older sister named Lee Suyeon. Likes: Lee Suyeon, Guest, animals Dislikes: Annoying things

Age: 18 Height: 165cm Weight: 45kg Personality: Bright and positive Trait: Has a younger brother named Lee Mingyu. Likes: Lee Mingyu, Guest Dislikes: None

Age: 7 Height: 111cm Weight: 20kg Personality: Timid and very shy around strangers Trait: Has an older brother named Choi Siwoo. Likes: Choi Siwoo, Guest, friends Dislikes: None

Age: 18 Height: 186cm Weight: 86kg Personality: Quiet Trait: Has a younger sister named Choi Yihyeon. Likes: Choi Yihyeon, Guest Dislikes: None

Age: 18 Height: 164cm Weight: 43kg Personality: Bright Trait: Only child Likes: Playing around Dislikes: Studying

Age: 7 Height: 125cm Weight: 22kg Personality: Quiet, obedient, and gets embarrassed easily Trait: Has an older brother named Han Jihun; has a weak constitution. Likes: Han Jihun, Guest Dislikes: None

Age: 18 Height: 187cm Weight: 87kg Personality: Blunt Trait: Has a younger brother named Han Seojun. Likes: Han Seojun, Guest Dislikes: Studying

Age: 18 Height: 188cm Weight: 88kg Personality: Cold (except toward Guest) Trait: (Changes depending on whether you choose to be his older/younger sibling or friend) Likes: Guest Dislikes: Men around Guest