Nine to Six

Nine to Six
Promotional poster
Hangul
나인 투 식스
RRNain tu sikseu
MRNain t'u siksŭ
Genre
Based on
The Rational Life
by 
  • Long Xiaoshan
  •     Chen Chen
  •     Chen Tong
Written byChoi Ji-oh
Directed by
Starring
Country of originSouth Korea
Original languageKorean
Production
Production companies
Original release
NetworkSBS TV

Nine to Six (Korean: 나인 투 식스) is an upcoming South Korean workplace melodrama television series written by Choi Ji-oh, directed by Lee Hyung-min and Oh Song-hee, and starring Park Min-young, Yook Sung-jae, and Go Soo. Based on the 2021 Chinese drama The Rational Life, the series centers on a career-focused professional woman whose structured routine shifts when she encounters two men who challenge her perspectives on romance. It is scheduled to premiere on SBS TV on November 25, 2026, and will air every Wednesday and Thursday at 21:00 (KST). It will also be available for streaming on Amazon Prime Video.

Premise

Kang Yi-ji, a career-driven professional dedicated entirely to her work, whose perspectives on work, love, and happiness begin to shift after she crosses paths with a colleague, Han Sun-woo. As Sun-woo and elite executive Park Hyun-tae both grow closer to Yi-ji, a romantic dynamic develops between the three individuals.

Cast and characters

Main

Supporting

Production

In the first quarter of 2026, Park Min-young, Yook Sung-jae, Go Soo, Joo Hyun-young, and Kim Mi-kyung were reportedly cast for the SBS TV workplace melodrama based on the 2021 Chinese drama of The Rational Life. The project was tentatively titled the same name before being finalized as Nine to Six. Produced by Samhwa Networks, directed by Lee Hyung-min, and written by Choi Ji-oh. By March 24, Park, Yook, and Go were officially confirmed to lead the series. Additionally, it is co-directed by Oh Song-hee and co-produced by Studio S. Three days later, Joo also confirmed her appearance. On April 21, it was announced that Choi Ji-soo [ko] joined the cast. By October 21, other supporting cast namely Kim, Nam Yoon-ho, Chun Woo-jin, Jung Hae-kyun, Jo Bok-rae, Cha Chung-hwa, and Bae Yoo-ram were unveiled at the first script reading.

Release

Nine to Six was scheduled to air in the second half of 2026. Later, the series was confirmed to premiere on November 25, broadcasting in Wednesday–Thursday timeslot at 21:00 (KST). It will also be available for streaming on Amazon Prime Video across 240 countries and territories.

References

  1. ↑ Park, Joo-won (October 29, 2026). 박민영, 9살 연하남과 ♥오피스 로맨스 그린다...육성재 플러팅에 심쿵 (나인투) [Park Min-young to star in an office romance with a younger man 9 years her junior...Yook Sung-jae's smooth flirting makes her heart flutter (Nine to Six)]. Ten Asia (in Korean). Retrieved November 7, 2026.
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Kim, No-eul (October 21, 2026). 박민영♥육성재에 15년 만 로맨스 찍는 고수까지..'나인 투 식스' 11월 25일 첫방[공식] [Park Min-young ♥ Yook Sung-jae, plus Go Soo filming a romance for the first time in 15 years...Nine to Six premieres November 25 [Official]]. Star News. Retrieved November 7, 2026.
  3. ↑ Early casting:
  4. 1 2 Jang, Da-hee (March 24, 2026). 박민영·육성재·고수, '나인 투 식스'로 만났다...오피스 로맨스 '의기투합' [Park Min-young, Yook Sung-jae, and Go Soo met through Nine to Six...Joining forces for an office romance]. iMBC (in Korean). Retrieved November 7, 2026.
  5. ↑ Son, Bong-seok (March 27, 2026). 주현영, 드라마 ‘나인 투 식스’ 신지원 역 낙점 [Joo Hyun-young has been cast as Shin Ji-won in the drama 'Nine to Six'.]. Sports Kyunghyang (in Korean). Retrieved November 7, 2026.
  6. ↑ Kim, Min-ji (April 21, 2026). '미쓰홍' 최지수, 차기작은 '나인 투 식스'...박민영·육성재와 호흡 [Undercover Miss Hong Choi Ji-soo, next project is Nine to Six...working alongside Park Min-young and Yook Sung-jae]. News1 (in Korean). Retrieved November 7, 2026.
  7. ↑ Ramachandran, Naman (October 20, 2026). "Park Min-young, Yook Sung-jae, Go Soo Lead Prime Video Korean Office Romance Nine to Six". Variety. Retrieved November 7, 2026.