The upcoming Korean drama Nine to Six is shaping up to have a stellar cast. After reports of Park Min Young and BTOB’s Yook Sungjae being in discussions for the lead roles, veteran actor Go Soo has now been added to the lineup. His agency confirmed on February 20 that he is positively reviewing an offer to join the project, creating even more buzz around this highly anticipated romance series.
The drama, which is an official adaptation of the popular 2021 Chinese series The Rational Life, tells the story of a dedicated career woman who has put romance on the back burner. Her life takes a turn when she meets a warm-hearted man who helps her rediscover love, and together they grow both personally and professionally .
Go Soo’s Character Role In Nine To Six
According to reports from multiple Korean entertainment outlets, Go Soo has been offered the role of Park Hyun Tae. This character is described as the head of department at Zeus Motors’ U.S. headquarters. He is neat and sophisticated in appearance, carrying himself as a smart and gentlemanly professional .
Park Hyun Tae is someone who prefers solitude in both his work and personal life. However, his mindset begins to shift after he crosses paths with the female lead, Kang Yi Ji. This addition brings another layer of complexity to the story, as his character is expected to interact with the main leads in meaningful ways .
BH Entertainment, Go Soo’s agency, confirmed to MHN Sports that the actor is currently “positively reviewing” the project. The statement clarified that while nothing is finalized yet, he is giving serious consideration to joining the drama .
Park Min Young As The Workaholic Legal Head Kang Yi Ji
Park Min Young, often called the “Queen of Romantic Comedy” for her hit roles in What’s Wrong with Secretary Kim and Marry My Husband, is in talks to play the central character Kang Yi Ji . She is the head of the legal team at an automobile company and is described as the epitome of a workaholic.
Her character has long deprioritized marriage. While she is not against the idea of marriage, she believes that love and marriage are ultimately just the result of hormonal factors. Rather than rebelling against unfair situations, she demonstrates quiet diligence and a rational approach to life . This role fits Park Min Young’s strength in portraying professional women who undergo emotional growth.
Yook Sungjae As The Warm-Hearted Designer Han Sun Woo
Yook Sungjae, who has successfully balanced his idol career with BTOB and acting roles in dramas like Goblin, Mystic Pop-up Bar, and The Haunted Palace, is considering the role of Han Sun Woo .
His character is a jewelry designer with a law school background. Unlike the rational Kang Yi Ji, Han Sun Woo is skilled with his hands, whether cooking or designing. He has a calm, mature, and down-to-earth personality that belies his age. He acts with his heart rather than overthinking, especially when it comes to Kang Yi Ji . This contrast in personalities is expected to create the classic romantic tension that K-drama fans love.
Drama Details And Production Team
Nine to Six is being developed as a romance drama that explores the balance between work and personal life. The story will follow how two people with completely different views on love and life gradually change each other .
The series will be directed by Lee Hyung Min, a well-known director whose previous works include the massive hits Strong Woman Do Bong Soon and Miss Night and Day . His involvement adds credibility to the project, as he has a proven track record with romantic comedies that blend humor and heart.
The drama is reportedly slated to air on SBS, one of Korea’s major broadcasting networks, though no specific premiere date has been announced yet .
About The Original Chinese Drama The Rational Life
For viewers unfamiliar with the source material, The Rational Life was a Chinese drama that aired in 2021 starring Qin Lan and Dylan Wang. It told the story of a successful career woman in her 30s navigating workplace challenges and societal pressure while finding love with a younger man .
The Korean adaptation will likely maintain the core themes while adjusting details to fit the local context. The title Nine to Six refers to standard working hours, emphasizing the office setting where much of the drama will take place.
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Casting Status And What Comes Next
As of now, all three actors are still in the discussion phase. Their agencies have used phrases like “positively reviewing” and “under discussion” when responding to media inquiries . This is standard practice in the Korean entertainment industry, and official confirmations typically follow once contracts are finalized.
Fans have reacted warmly to the potential casting. Many are excited to see Park Min Young return to the romantic comedy genre where she has consistently delivered hits. The pairing with Yook Sungjae has also generated interest, as both actors are known for their strong chemistry with co-stars .
“I never imagined these two leading a drama together. It feels so fresh. Park Min Young always makes her pairings work, and Yook Sungjae has proven his acting skills repeatedly. This could be something special.”
The addition of Go Soo adds further weight to the cast. He is a respected actor with experience in both film and television, known for projects like Green Rose and Will It Snow for Christmas?. His involvement suggests the production is aiming for quality across all roles, not just the leads.
If all three actors confirm their participation, Nine to Six will boast one of the most impressive casts for a romance drama in 2026. With a proven director, a popular source material, and a lineup of beloved actors, the project is already drawing attention from K-drama fans worldwide.
More details about production schedules and broadcast dates are expected once all casting is finalized.
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