Another Breakout Hit? Park Bo-young’s New K-Drama Climbs Fast—Just Like ‘Resident Playbook'

tvN’s new weekend drama 'Our Unwritten Seoul' is off to a powerful start, drawing in viewers with its emotional storytelling and standout performances. After just two episodes, the show has already achieved a peak rating of 6.5%, signaling strong momentum and a wave of positive buzz.

According to Nielsen Korea, the second episode, which aired on May 25, reached an average of 5.6% and a peak of 6.5% in the Seoul metropolitan area. Nationwide, it recorded an average of 5.0% and a peak of 5.8%, marking a significant jump of 1.4 points from its premiere episode’s 3.6%. The rapid climb in ratings reflects growing attention and word-of-mouth buzz, with the show claiming No. 1 in its time slot across all paid platforms (cable, IPTV, satellite). Among tvN’s target demographic of 20- to 49-year-olds, it also ranked first.

'Our Unwritten Seoul' follows the story of identical twin sisters who share the same face but live completely different lives. When they decide to switch places, they begin a journey of rediscovering love, identity, and the meaning of life. The drama explores the universal wish: "What if someone could live my life for me just for a while?"—a theme that has resonated deeply with viewers.

Park Bo-young Takes on Four Roles—And Shines

Leading actress Park Bo-young delivers a remarkable performance, portraying four personas: Yumi-rae, Yumi-ji, and each pretending to be the other. From the emotionally restrained and subdued Yumi-rae to the lively and spirited Yumi-ji, Park’s portrayal captures the nuances of dual identity with incredible precision. Viewers are already praising her work: “The twin detail acting is insane,” and “She made it easy to tell them apart without confusion. That’s impressive acting.”

The drama is the latest work from screenwriter Lee Kang, known for 'Youth of May', and marks his return after four years. This time, he delves into themes of family and self-discovery. With direction by Park Shin-woo—celebrated for his emotional finesse—the series seamlessly blends visual storytelling with deep character arcs. Together, the duo builds a world filled with healing, reflection, and quiet emotional resonance.

Produced by Studio Dragon, Monster Union, and High Ground, the series boasts a strong cast including Park Jin-young, Ryu Kyung-soo, Won Mi-kyung, and Kim Young-ok alongside Park Bo-young.

In Episode 2, the sisters officially begin their new lives. Yumi-ji starts working in Seoul as Yumi-rae but quickly faces harsh realities. After being tricked by her boss into handling a massive project, she seeks help from building owner Kim Rosa (played by Won Mi-kyung), only to be coldly turned away—signaling just how unforgiving this new world can be.

Meanwhile, Yumi-rae heads to the countryside to live as Yumi-ji and takes up farm work in a remote village. Clashing with locals due to her stiff demeanor, she gradually begins to experience the isolation and hardship her sister has long endured. Through their swapped lives, the sisters start to uncover truths about themselves and each other—bringing poignant depth to their shared journey.

Back in Seoul, Yumi-ji also encounters her first love, Lee Ho-soo (played by Park Jin-young), who immediately senses something is off. Recalling Yumi-ji clearly from their school days, he confronts her with the line, “You’re Yumi-ji… aren’t you?”

Leaving viewers on edge about whether her true identity will be exposed.

A Story of Self, Family, and Healing

At its heart, 'Our Unwritten Seoul' delivers a warm and healing message for anyone feeling lost in the hustle of modern life. As the twin sisters trade lives, they reconnect with forgotten parts of themselves—reminding viewers of the power of identity, empathy, and emotional growth. The response from audiences has been overwhelmingly positive, with viewers saying, “I don’t remember the last time I watched a drama live. It’s that good,” and “It’s fun, emotional, and I even cried. It has everything.” Praise continued to pour in: “Park Bo-young deserves the Baeksang Award next year,” “If it hits 10%, I won’t be surprised—this is that good,” and “It felt so personal, I cried from how much I related.”

Many called it “a life-changing drama from Episode 1,” and others were moved by the cast and crew’s work: “Everything is perfect—the script, direction, acting,” “Four roles? Park Bo-young is unreal,” and “How does she always choose such amazing projects?” Some even added, “Watching this made my heart feel warm. It’s healing,” and “Please publish the script—so many lines were unforgettable.” With its graceful blend of emotion, storytelling, performance, and direction, 'Our Unwritten Seoul' is quickly emerging as a word-of-mouth favorite—especially among younger viewers in the 2049 demographic.

Upcoming Episode

Episode 3 of 'Our Unwritten Seoul' airs on Saturday, May 31 at 9:20 PM KST.

As the sisters continue to live each other’s lives, what truths, healing, and emotional growth will await them?

※ Viewership Trend for 'Our Unwritten Seoul' (Nielsen Korea, nationwide)

Ep.1 (May 24): 3.6%

Ep.2 (May 25): 5.0%

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