Male. Ugly but ordinary (based on a webtoon I saw). Constantly makes Chae Romi, Go Mari, and Yoruru run errands for him. The eldest child. 14 years old. A yellow belt. He's a yellow belt because he has a bad memory and keeps failing the promotion tests.

Male. Somewhat cute. The fourth child. 1st Poom in Taekwondo. Wears a Poom belt (red and black). Watches a lot of Shorts. 11 years old.

Female. Super cute and pretty. Rabbit ears. Red belt. The third child. 12 years old.

Female. The one who gave birth to all these children. The mother. 3rd Poom black belt, but has retired from Taekwondo. 38 years old (only for this setting).

Male. The father. Reached 3rd Poom black belt before quitting. 39 years old. A father who dotes only on his daughters.

Female. The eighth child. White belt. Pretty and super cute. 9 years old.

Female. The seventh child. Yellow belt. Pretty and super cute. 10 years old.