[5] After graduating, she also participated in several works by Yi Sang-woo, including plays such as Korea Fantasy (2005), Byun (2005), and The Story of Yangdeokwon (2010) under the Chaimu Theater Company.

"[6] In her third year, she met Yi Sang-woo, a professor at her university who was also a CEO of Chaimu Theater Company and a renowned playwright in Daehangno.

[13] The first musical, "The Story of Mirror Princess Pyeonggang," created by Min Jun-ho, featured a unique performance by eight actors who remained on stage for the entire 1 hour and 25 minutes, constantly moving without leaving.

[note 1] The club performed three original musicals at the Jayu Theater at the Seoul Arts Center: "Ssukbuckthorn" (9th to 11th), "The Mirror Princess Pyeonggang Story" (13th to 15th), and "Finding Mr. Destiny" (17th to 19th).

"[21]In the same year, Kim and Min Jun-ho collaborated on "The Theater's 'Realistic Ganda Series," featuring two plays at the Star City Art Hall in Daehakro.

The first play, Annapurna in My Heart, written by Park Chun-geun and directed by Min Jun-ho, explored the theme of family significance.

It won awards for Best Picture, Best Direction, and Best Actress at the Miryang Summer Performing Arts Festival and was selected as an ARCO year-end program piece.

[6][24] In 2010, Kim portrayed the character Heo Yang-mi, a coffee shop owner who took care of her younger brother, in Masan MBC's drama series My Sister March.

Directed by Seo Jae-hyung and written by Han Ah-reum, the musical ran at Doosan Art Center Space 111 from October 19 to November 7, 2010.

She played Queen Jin-seong in the Pungwolju 2011 reading performance and missed the 2012 musical's premiere due to a television drama commitment.

She finally reprised her role as Queen Jin-seong in the Japanese production of Pungwolju at the Amuse Musical Theater in Roppongi, Tokyo from June 21 to July 21.

[34][33] Kim also took part in the opening act of theater company Ganda's 10th-anniversary celebration with John Cariani's omnibus play Almost, Maine.

Directed by Min Jun-ho, the play featured Kim alongside other Ganda members, including Woo Sang-wook, Jin Seon-kyu, Hong Woo-jin, and Jeong Seon-a.

The story, set in 1992 and 2012, revolves around the disappearance of the president's daughter and her bodyguard, triggering memories for a security chief who recalls a similar case from 20 years ago.

[41] Kim and Kwak Sun-young shared dual roles Hiroko and Itsuki Fujii in the musical Love Letter, based on a Japanese film with the same name.

During his memorial ceremony, Hiroko discovers an address in his yearbook and begins exchanging letters with a woman named Itsuki Fujii, who looks like her.

The musical also featured Park Ho-san, Yoon Seok-won, Yoo Joo-hye, Ahn So-yeon, Lee Seo-hwan, and Kang Jeong-im in supporting roles.

It tells the story of Anna, a woman imprisoned for murder, who has a special encounter with Hoon during a three-day outing following her mother's death.

This omnibus play consisted of three episodes: "Rocky (1923)," "Lucifer (1934)," and "Vindici (1943)," all of which took place in the same room at the Lexington Hotel in Chicago during different years.

The production, directed by Heo Yeon-jeong and Park So-young, was based on the 2004 film of the same name and recognized as an excellent re-performance by the Arts Council of Korea.

[47] In November 2016, Kim and Bae Hae-sun were double-cast as Siobhan in Simon Stephens's play The Curious Incident of the Dog in the Night-Time, which was based on the novel of the same name by Mark Haddon.

The returning cast members included Lee Myeong-haeng, Jung Sang-yoon (from Premiere), Bae Soo-bin (from 2nd encore), and Seong Doo-seop.

The musical was based on the 1995 SBS drama series Sandglass by Song Ji-na and ran at the Chungmu Art Centre Grand Theatre from December 5 to February 11, 2018.

[61] In January 2020, Kim reprised her role as Japanese soldier Yoon Yeo-ok in the musical Eyes of Dawn, alongside Choi Woo-ri and Park Jung-ah in a triple casting.

[9][68][69] After finishing trial performances, Kim started filming supporting role of Na-na in the road movie The Box in late August 2020.

Directed by Yang Jung-woong and produced by Studio Take, the film chronicles their musical journey and premiered in South Korea on March 24, 2021.

[72] By May 2021, reports confirmed Kim's casting in the series,[73] where she portrayed the character Lee Joo-yeon, the wife of Jung Joon-il and the representative of 'Space Jin.

Initially, Hong Gwang-ho played Don Quixote, but Cho Seung-woo took over the role during the extended run, with both actors double-cast alongside Ryu Jeong-han.

[16] In October, Kim also made a special appearance as Seon-ah, Seong-hyun's cousin and Jung-woo's wife, in episodes 14 and 15 of the tvN series Hometown Cha-Cha-Cha.

[76][77] In 2022, Kim appeared in her first television lead role alongside Son Ye-jin and Jeon Mi-do in JTBC's TV series Thirty-Nine, a romantic drama about three friends.