Kim Ran-ju (Korean: 김란주; born 1984) is a South Korean broadcast writer. She is known for her collaboration with acclaimed variety show directors Kim Tae-ho and Na Yeong-seok. She was also part of a writers team led by Lee Woo-jung for drama series Reply 1997 and Reply 1994.

Kim Ran-ju
Born1984 (age 4142)
OccupationScreenwriter
Years active2007–present
EmployerStudio Yeoreumnal
Organization(s)Korea Television and Radio Writers Association (KTRWA)
Korean name
Hangul
김란주
RRGim Ranju
MRKim Ranju

Career

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Kim Ran-ju started her career as broadcast writer in MBC TV in 2007.[1] In 2009, she joined 2 Days & 1 Night as the youngest writer.[2][3] Through this work she formed connection with director Na Yeong-seok, as well as writers Lee Woo-jung and Kim Dae-ju.[4]

In 2012, Kim joined a drama writer team led by Lee Woo-jung on the drama Reply 1997. The female lead character Seong Si-won in Reply 1997 is widely considered to be based on Kim's own experiences as a fan of the group H.O.T.[5][6]

Kim then became a writer on Kim Tae-ho's MBC TV show, Infinity Challenge. She gained recognition after making a special appearance on the show alongside fellow writer Kim Yun-ui on the July 26, 2014 broadcast, with Kim showcasing her Muay Thai skill.[7][8]

Following the conclusion of Infinity Challenge in 2018, Kim joined Lee Woo-jung's established company, Egg is Coming. Since its establishment, Egg is Coming acts as an outsourcing company for program production directed by Na Yeong-seok and Shin Won-ho, in collaboration with CJ ENM. She served as lead writer for Korean Hostel in Spain.[9][10][11]

Kim established her own company, Studio Yeoreumnal, and its debut project was Bonjour Bakery. The variety show premiered on Coupang Play on Korean Parent's Day, May 8, 2026, [12]

Filmography

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Television series

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Series screenwriting credit
Year Title Network Credited as Ref.
English Korean Assistant writer Lead writer
2012 Reply 1997 응답하라 1997 tvN Yes No [13][14]
2013 Reply 1994 응답하라 1994 Yes No [15]

Television show

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Television show screenwriting credit
Year Title Network Credited as Ref.
English Korean Assistant Writer Main Writer
2007 Show Live 쇼바이벌 MBC Yes No [1]
2009 Cheerful Hero 명랑 히어로 Yes No [16]
2009 One Night 일밤 Yes No [17]
2009–2012 Happy Sunday: 2 Days 1 Night Season 1 1박 2일 KBS2 Yes No [18]
2014–2018 Infinite Challenge 무한도전 MBC Yes No [8][19]
2019 Korean Hostel in Spain 스페인 하숙 tvN Yes No [3]
Three Meals a Day Mountain Village 삼시세끼 산촌편 Yes No [20]
2020 Friday Joy Package 금요일 금요일 밤에 Yes No [21]
Summer Vacation 여름방학 Yes No
2021 Youn's Stay 윤스테이 No Yes [22]
2024 Fresh off the Sea 언니네 산지직송 No Yes [23]
2025 Seasonal Man 제철남자 TV Chosun No Yes [24]
2026 Bonjour Bakery 봉주르빵집 Coupang Play No Yes [25]

References

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  1. 1 2 쇼바이벌 [Show Live]. MBC (in Korean). Retrieved 2026-05-07.
  2. Kim, Hyung-woo (2013-11-21). 방송가 뒤흔드는 1박2일 황금세대들 ‘TV 장악’ [1 Night 2 Days Golden Generation Shakes Up the Broadcasting Industry 'Takes Over TV']. Newsen (in Korean). Retrieved 2026-05-07.
  3. 1 2 Jeong, Ji-na (2020-03-25). 김란주 작가, 스타 PD 4명에 "공통점 있어" [Writer Kim Ran-ju: "4 Star PDs Have Something in Common"]. Gonggam News (in Korean).
  4. Ahn, Jin-joung (2020-05-19). <Leadership 클래스-나영석 >삼고초려 마다않고, 인연은 길고 깊게… 신뢰로 ‘흥행불패’ 견인 [<Leadership Class - Na Young-seok> Unhesitating to make repeated visits, maintaining long and deep relationships… Driving an 'undefeated streak' through trust]. Munhwa Ilbo (in Korean). Retrieved 2026-05-14.
  5. "응답하라 1997 제작진 소개". tvn.cjenm.com (in Korean). Retrieved 2026-05-07.
  6. Ahn, Jin-young (2012-08-27). [TV 돋보기] '응답하라…' 김란주 작가 실제 경험담. 스포츠한국 (in Korean). Archived from the original on 2026-05-07. Retrieved 2026-05-07.
  7. Choi Boran, Bo-ran (2014-12-30). 김태희 작가부터 이슬기 작가까지, 스타만큼 주목받는 작가들 [From Writer Kim Tae-hee to Writer Lee Seul-gi, Writers Who Receive As Much Attention as Stars]. Ten Asia (in Korean). Retrieved 2026-05-11.
  8. 1 2 Jeong, An-ji (2020-07-26). '무한도전' 김란주 작가 로우킥 vs 김윤의 작가 포복절 댄스 '폭소 그자체' ['Infinite Challenge' Writer Kim Ran-ju's Low Kick vs. Writer Kim Yun-ui's Hilarious Dance: 'Pure Laughter']. Chosun (in Korean). Retrieved 2026-05-07.
  9. Lee, Kyung-ho (2020-08-19). "에그이즈커밍 고중석 대표 "이우정 작가, 나PD·신PD가 더 빛나길 바라"(인터뷰①)[스타메이커]" [Egg Is Coming CEO Ko Jung-seok "Writer Lee Woo-jung, I hope Na PD and Shin PD will shine more" (Interview ①) [Starmaker]]. Star News (in Korean). Retrieved 2023-01-23.
  10. Lee, Kyung-ho (2020-08-19). 에그이즈커밍 고중석 대표 "'슬의생2', 11월 제작 목표로 이우정 작가가 집필 중"(인터뷰②)[스타메이커] [Egg is Coming CEO Ko Jung-seok "'Hospital Playlist 2', writer Lee Woo-jung is writing for the goal of production in November" (Interview 2) [Starmaker]]. Star News (in Korean). Retrieved 2024-05-16 via Naver.
  11. Lee, Kyung-ho (2020-08-19). "에그이즈커밍 고중석 대표 "'채널 십오야', 성공 강박에서 벗어나려 개설했죠"(인터뷰③)[스타메이커]" [Eg Is Coming CEO Ko Joong-seok "'Channel 15', I opened it to get out of the compulsion to success" (Interview 3) [Starmaker]]. Star News. Retrieved 2024-05-16 via Daum.
  12. Lee, Woo-in (2026-05-08). [라온신문] 김희애·차승원·김선호·이기택…배우들만 나오는 예능 재미 있을까 [Kim Hee-ae, Cha Seung-won, Kim Seon-ho, Lee Ki-taek… Will a variety show featuring only actors be fun?]. Raon News (in Korean). Retrieved 2026-05-11.
  13. Yoon, Joon-pil (2020-03-25). 김란주 작가, '응답하라 1997' 현실 성시원 "'토토가' H.O.T 컴백 기억에 남아" [Writer Kim Ran-joo, 'Reply 1997' Real-life Sung Shi-won: "'Totoga' HOT's Comeback Remains in My Memory"]. Biz Enter (in Korean). Retrieved 2026-05-07.
  14. Bang, Yeon-ju (2012-07-31). 시청률 0.01%의 소중함을 알았다 [I realized the value of a 0.01% viewership rating]. PD Journal (in Korean). Retrieved 2025-05-07.
  15. Maeng, Ha-kyung (2013-10-17). '응답하라1994', 본편 '빠순이' 대신 '촌놈들' ['Reply 1994', 'Country Bumpkins' instead of 'fangirls' in the main story]. News1 (in Korean). Archived from the original on 2026-05-08. Retrieved 2026-05-08 via Naver News.
  16. 명랑 히어로 [Cheerful Hero]. MBC (in Korean). Retrieved 2026-05-07.
  17. [#유퀴즈온더블럭] 1박 2일의 김대주 작가와 무한도전 김란주 작가🕺💃 윤식당 에피소드부터 전설의 로우킥까지😱! EP49. Diggle. 2020-05-10. Retrieved 2026-05-07 via YouTube.
  18. Park, Dong-min (2012-03-01). '1박 2일' 작가들이 밝힌 공개되지 않았던 희로애락의 순간들 [Moments of joy and sorrow that '1 Night 2 Days' writers revealed but were not made public]. Lady Khan (in Korean). Retrieved 2026-05-07.
  19. Yang, Seung-jun (2015-07-09). '무한도전 10년' 혁신… 예능계의 스티브 잡스 ['Infinite Challenge' 10 Years of Innovation... The Steve Jobs of the Entertainment World]. Hankook Ilbo (in Korean). Retrieved 2026-05-07 via Naver.
  20. Lee, Seung-rok (2015-03-19). "남자다운 나영석·여성스러운 김태호"예능작가가 본 두 PD ["Manly Na Young-seok and Effeminate Kim Tae-ho"… A Variety Writer's View of the Two PDs]. My Daily (in Korean). Retrieved 2026-05-09.
  21. Lee, Woo-joo (2020-07-15). '유퀴즈3' 정종연→신원호PD, 'tvN 어벤져스'의 예능·드라마 비하인드(ft.이우정 작가) [종합] ['You Quiz on the Block 3' Jung Jong-yeon → PD Shin Won-ho, Behind-the-Scenes of Variety & Drama with the 'tvN Avengers' (ft. Writer Lee Woo-jung) [Roundup]]. Chosun (in Korean). Retrieved 2026-05-09.
  22. 김란주의 영화 및 프로그램 [Kim Ran-joo's movies and programs]. Apple TV (in Korean). Retrieved 2026-05-07.
  23. Baek, Seung-hoon (2024-10-11). '언니네 산지직송' 유종의 미…시즌2 가능성 활짝 열었다 ['Fresh off the Sea' Ends on a High Stake... Opens Up Possibility for Season 2]. iMBC (in Korean). Retrieved 2026-05-07.
  24. Kim, Myung-mi (2025-06-11). "김상호, TV조선 야심작 '제철남자'로 예능 도전…첫 게스트 윤계상 박지환". Newsen (in Korean). Archived from the original on 2026-05-08. Retrieved 2026-05-08.
  25. Park, Jin-hai (2026-05-06). "Coupang Play's 'Bonjour Bakery' runs dessert cafe for seniors - The Korea Times". Korea Times. Retrieved 2026-05-08.