Prime Video is adding another Korean romance to its international lineup with Nine to Six, a 12-episode office drama led by Park Min-young. Yook Sung-jae and Go Soo co-star in the series, which centers on a legal professional whose carefully constructed life is challenged by two very different colleagues.
The series is set to debut on Nov. 25 across more than 240 countries and territories. Its premise puts career, personal aspiration and romance in direct tension rather than treating the workplace merely as a convenient backdrop: Kang Yi-ji, Park’s character, has spent years earning authority as a senior manager on the legal team at Chronic Motors, a company where men dominate the workplace.
Kang Yi-ji’s career is the story’s pressure point
Yi-ji is presented as logical, highly driven and skeptical about romance. She sees love and marriage as temporary chemical impulses, a perspective that fits a character who appears determined to keep emotional uncertainty from disrupting professional momentum. The show’s central question is therefore not simply which potential partner she may choose. It is whether she believes intimacy can coexist with the career she has worked to establish.
That conflict has an additional personal layer. Yi-ji once hoped to study astronomy, but her mother urged her toward law instead. The detail creates a clear divide between an earlier ambition and the disciplined identity she now maintains at Chronic Motors. It also gives the series room to explore more than an office love triangle: Yi-ji’s choices may involve what she wants from her work, how much of her life has been shaped by expectation, and whether success has required her to shut out other possibilities.
In an office-romance setup, the professional environment usually raises the stakes because private feelings cannot remain entirely private. Here, Yi-ji’s position as a senior manager and her status within a male-dominated workplace make reputation, competence and independence especially significant. The available character description does not establish specific company policies, legal cases or workplace outcomes, so those details remain unknown. What is clear is that Yi-ji’s career is not a minor obstacle designed to vanish once romance begins; it is the foundation the series asks her to protect.
Two contrasting colleagues disrupt the routine
Yook Sung-jae plays Han Sun-woo, a legal intern whose instincts sharply contrast with Yi-ji’s logic-first worldview. Although he is working in law, Sun-woo would prefer to design jewelry. That mismatch between current role and creative ambition parallels Yi-ji’s own abandoned interest in astronomy, even if the two characters approach life from very different directions.
Sun-woo’s defining story beat is immediate and consequential: when Yi-ji is in danger, he protects her without hesitation. The incident may alter her perception of him, turning a relationship initially shaped by a workplace hierarchy into something more emotionally complicated. His openness and instinctive behavior are positioned against Yi-ji’s order and control, suggesting a romance built around competing ways of interpreting the world rather than a simple personality clash.
Go Soo plays the other major figure in Yi-ji’s life, Park Hyun-tae. He is an executive director at Chronic Motors’ Seoul office and has returned from the company’s European headquarters after advancing rapidly through the corporate ranks. Like Yi-ji, Hyun-tae has treated romance as an unnecessary complication. But he comes to respect Yi-ji because of her ability, placing their connection on a different footing from her dynamic with the intern.
Related coverage includes Park Min-young, Yook Sung-jae and Go Soo Lead ‘Nine to Six’.
The contrast is deliberate. Sun-woo represents a younger colleague who acts on feeling and trusts instinct; Hyun-tae is an executive with a mature understanding of ambition and the demands of Yi-ji’s career. Neither pairing is framed solely as a question of status. Instead, the series appears to use each man to test a different part of Yi-ji’s worldview: whether she can accept spontaneous emotional connection, and whether being understood professionally can become a route to personal closeness.
What the title and setting suggest
Nine to Six uses the standard language of the workday for a story in which work is inseparable from the characters’ emotional lives. The title establishes an office-focused frame, while Chronic Motors provides the shared corporate setting for Yi-ji, Sun-woo and Hyun-tae. Beyond that, the supplied details do not identify the company’s industry beyond its name or describe a particular legal dispute.
“Office romance” is a broad label, but the setup here has several distinct tensions. Yi-ji is senior to Sun-woo, creating a clear difference in experience and workplace standing. Hyun-tae, meanwhile, sits higher in the company’s hierarchy as an executive director. The show also gives all three leads defined relationships to their professions: Yi-ji is committed to law despite an earlier dream, Sun-woo has a creative interest outside law, and Hyun-tae has built a fast-rising corporate career. Those contrasts can make professional ambition part of the romantic vocabulary of the drama, not only an external barrier.
For viewers, that means it may be useful to approach the series as a character-driven workplace romance rather than assuming the story will be about legal procedural drama. Yi-ji works on a legal team, but the available premise emphasizes her internal conflict, the men who interrupt her routine and the choices she faces around letting people into her life.
The cast and creative team
Park arrives at Nine to Six after roles including Marry My Husband, Siren’s Kiss and Confidence Queen. The new role calls for a protagonist whose composure and professional authority are central to the premise, while the story also asks her to confront a life that may have become overly controlled.
Yook is known both as a member of K-pop group BtoB and for acting work including The Haunted Palace, The Golden Spoon and Guardian: The Lonely and Great God. His character’s preference for jewelry design gives Sun-woo a creative dimension alongside his legal internship.
Go’s previous work includes Missing: The Other Side, Colony and Parole Examiner Lee. As Hyun-tae, he plays a corporate leader who has already reached a high point in his professional life but must reconsider his belief that romance only makes life more difficult.
Choi Ji-oh writes the series. Lee Hyung-min directs alongside Oh Song-hee. Lee’s prior credits include Strong Girl Bong-soon, Miss Night and Day and I’m Sorry, I Love You, while Oh previously worked on The Escape of the Seven.
Where ‘Nine to Six’ fits on Prime Video
The new drama joins a Prime Video catalog that already includes Korean titles such as Love in Disguise, A Love Other Than Yours, See You at Work Tomorrow!, Spring Fever, Surely Tomorrow, Head Over Heels and Good Boy. Its worldwide rollout means viewers in the listed 240-plus countries and territories will not need to wait for a region-by-region release schedule.
The casting also places the show within a wider audience interest in Korean screen entertainment and K-pop performers moving between music and drama. For another recent K-pop-adjacent screen story, see our coverage of the reported theatrical plans for KPop Demon Hunters 2.
For Nine to Six, the essentials are straightforward: a 12-episode Korean romance, a Nov. 25 Prime Video debut, and a lead character forced to decide whether emotional vulnerability necessarily threatens the professional life she fought to build. The precise turns of that decision—and how the show handles its two contrasting relationships—will be the key unknowns until the series arrives.
