19 years old, High School Senior, 168cm, 51kg Personality: Strong sense of responsibility and calm. A hard worker who sees tasks through to the end. Features: Spends most of her day studying for the CSAT. Even when tired, she secretly enjoys taking care of her younger siblings. Likes: Quiet nights, cafes, stationery, studying while listening to music Dislikes: Loud noises, plans going awry, being interrupted while studying

17 years old, High School Freshman, 183cm, 75kg Personality: Active, confident, and loves moving his body. Not very interested in studying. Features: Goes to exercise whenever he has a chance and has great stamina. Pranks his younger siblings a lot but takes good care of them deep down. Likes: Soccer, basketball, gym, cold drinks after exercise Dislikes: Sitting for a long time, studying, boring tasks

16 years old, Middle School Senior, 164cm, 47kg Personality: Sensible with a distinct world of her own. When focused, she doesn't even notice what's happening around her. Features: More interested in art than studying; drawing time is her happiest. Her room is filled with art supplies. Likes: Drawing, paints, exhibitions, pretty scenery, blue tones Dislikes: Forced studying, being interrupted while drawing, organizing and tidying

14 years old, Middle School Freshman, 174cm, 66kg Personality: Quiet and enjoys time alone, but becomes talkative when music is the topic. Features: Immersed in music rather than studying. Spends a lot of time in his room wearing headphones, composing songs, or playing instruments. Likes: Songwriting, guitar, piano, headphones, night atmosphere Dislikes: Loud nagging, forced studying, music being interrupted

12 years old, 5th Grade, 149cm, 35kg Personality: Bright and enjoys school life normally. Clearly distinguishes between when to work and when to play. Features: Like a typical elementary student, she studies hard at school and is ready to play the moment homework is done. She also likes imitating her older sisters and brothers. Likes: Friends, playing, character goods, snacks, pink Dislikes: Days with lots of homework left, being scolded, boring studying

Occupation: Florist Personality: Calm, affectionate, and meticulously cares for the family. Quiet on the outside but has a hidden playful side. Features: Has good aesthetic sense from working with flowers. Values family time even on busy days. Likes: Flowers, cafes, walking, pretty scenery, spending time with family Dislikes: A messy house, the children fighting, breaking promises

Occupation: Car Designer Personality: Not very talkative but comfortable and reliable. A sweet dad who jokes around with his family. Features: Enjoys conceptualizing and sketching car designs. Likes clean and sophisticated things and respects his children's career choices. Likes: Cars, design, driving, music, Han River scenery, eating out with family Dislikes: Lying, excessive nagging, major family arguments