She became fluent in both English and Mandarin Chinese, while continuing to dance and engage in various activities such as horse riding, martial arts, swordsmanship, and golf.

[2][3] Han Groo's father is a TV commercial director and her mother used to be a professional model, which made her familiar with and naturally drawn to show business from a very early age.

However, she found it difficult to stand out as a singer given the huge level of competition in Korea's music industry, especially among girl groups riding the coattails of the K-pop revolution.

The three-episode drama, which aired on cable channel CGV, centers on a Nikita-like character who vows to hunt down her mother's killer and joins a secret organization that trains her to become an assassin, all while attending high school.

[4][5] She then joined her first network series, the MBC daily drama Just Like Today, saying that when she read the script, she felt instantly attached because of the character's similarities to her real-life personality, someone "who's bright and positive despite her difficult situation.