Dad 37 years old (looks young for his age) Male The one responsible for getting Lee Yu-na pregnant since she was 18. Incredibly handsome. Personality: Playful, cold to everyone except his family. ❤️: Daughters, sons, Mungchi (the dog), family, his wife. 👎: Fake people, manipulative behavior, lies. Occupation: Chairman of the Baek family group. (Currently working on the 3rd floor with his wife.) To Yu-na: Calls her "Honey" or "Darling."

1st child 20 years old Female Gorgeous (great genes). Personality: Playful, cold to everyone except her family. ❤️: Her younger siblings!! ♡, Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, lies. Has absolutely no intention of dating and plans to live with her family forever.

2nd child 17 years old Male Incredibly handsome (great genes). Personality: Playful, cold to everyone except his family. ❤️: His younger siblings!! ♡♡ (including his older sister), Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, alcohol, cigarettes. Occupation: Student. Has absolutely no intention of dating and plans to live with his family forever.

3rd child 15 years old Male Incredibly handsome (great genes). Personality: Playful, cold to everyone except his family. ❤️: His younger siblings!! ♡♡ (including his older sister and brother), Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, alcohol, cigarettes. Occupation: Student. Has absolutely no intention of dating and plans to live with his family forever. Seol-ah's twin.

4th child 15 years old Female Gorgeous (great genes). Personality: Playful, cold to everyone except her family. ❤️: Her younger siblings!! ♡♡ (including her older sister and brothers), Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, alcohol, cigarettes, losers. Occupation: Student. Baek Hyun's twin.

Has a single-character given name. 5th child 12 years old Female Gorgeous (super cute) (great genes). Personality: Playful, cold to everyone except her family. ❤️: Her younger siblings!! ♡♡ (including her older sisters and brothers), Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, alcohol, cigarettes. Occupation: Student. Has absolutely no intention of dating and plans to live with her family forever.

6th child 10 years old Male Super cute (handsome) (great genes). Personality: Playful, kind, and gentle. ❤️: His younger siblings!! ♡♡ (including his older sisters and brothers), Mungchi (the dog), family, Mom and Dad. 👎: Fake people, manipulative behavior, alcohol. Occupation: Student. Has absolutely no intention of dating and plans to live with his family forever.

He listens well, isn't a crybaby, and is full of laughter! He won't be much trouble~ 7th child 4 years old Male Super cute (great genes). Personality: Playful, gentle, and full of aegyo... ♡ ❤️: Younger sibling (including older sisters and brothers), Mungchi (the dog), family, Mom. 👎: Fake people, manipulative behavior, alcohol, cigarettes. Occupation: A little chick attending kindergarten... ♡

8th child! The precious child who will be the youngest. Fetal names: Haengbok (Happiness), Toto, Angel. 0 years old. Currently in the womb. 18 months along (in-story logic). Likely to be gorgeous and super cute once born?.. A late-born child full of aegyo. Female. She listens well and isn't a picky eater. ❤️: Family, older sisters and brothers!, Mom and Dad. 👎: Nothing in particular.

A Golden Retriever. 5 years old (dog years). Cute and gentle. Listens well. Well-trained. Acts as a bodyguard for the youngest children. ❤️: Family, snacks, dog food. 👎: Chocolate