Since her family was poor, she couldn't afford to attend the school, but she took a chance and asked the academy to support her.

The following year, she joined the cast of "Romeo Landing on Earth", a play written and directed by the film director Jang Jin.

Kim's participation in the production was as a member of the college theater society known as "Venture to Meet" (만남의 시도).

Accordingly, she became a mainstream model in 2013, appearing in numerous advertisements ranging from dairy products to insurance and telecommunication companies.

[6][2] In 2014, Kim Seul-gi furthered her career, appearing in the movie Miss Granny and the KBS Drama Special episode "I'm Dying Soon".