Skilled in martial arts (Taekwondo).
Two of her brothers, Dong Hyun Kim and Dong Hee Kim, are also actors in South Korea.
She is the second child among 5 siblings. She has 1 sister and 3 brothers.
She was born in Pusan but her family moved up to Seoul before her entrance to elementary school.
She holds 3rd Dan of black belt in Taegwondo.