Hello, everyone! Hope you’re all well. Today, I’m diving into the drama Our Unwritten Seoul, a captivating story about twin sisters who decide to switch lives when their individual journeys become too daunting. The Korean series stars Park Bo-young, showcasing her incredible talent as she plays both twins, weaving a heartfelt narrative about identity, family, and self-discovery.
Our Unwritten Seoul first aired on May 24, 2025, wrapping up on June 29, 2025, with episodes every Saturday and Sunday at 21:20 (KST) on tvN. It is streamable on Netflix and consists of 12 episodes, each about 60 minutes long. Written by Park Shin Woo, the series features an ensemble cast including Park Bo-young, Park Jin-young, and Ryu Kyung-soo, blending romance, family dynamics, and personal growth.
The show delves into themes of identity, self-acceptance, and the idea that the grass is always greener elsewhere, through the perspective of twins who, despite identical appearances, are worlds apart. Set against the contrasting backdrops of Seoul and rural Duson-ri, it offers a fresh twist on body-swap comedies with emotional depth and character evolution.
Story Summary: Twins Trading Lives
Yoo Mi-ji and Yoo Mi-rae are identical twins living vastly different lives. Mi-ji, once a promising athlete, quit sports due to an injury and now leads a carefree existence in her hometown, Duson-ri, caring for her grandmother without clear future plans. On the other hand, Mi-rae is a model student turned perfectionist, employed at a government-owned corporation, following a path paved with expectations since school.
Facing personal dilemmas and feeling stuck, the twins make the bold move to switch identities. This swap prompts them to reassess their beliefs about happiness, success, and authentic living. The narrative explores how stepping into each other’s shoes can lead to surprising self-discovery and a newfound appreciation for one’s own path.
Yoo Mi-ji: The Adventurer Seeking Purpose
Park Bo-young brings Mi-ji to life, the younger twin whose athletic dreams were cut short by an injury, now enjoying a laid-back lifestyle in the countryside. Mi-ji’s character resonates with those feeling adrift after their aspirations are thwarted, as she seeks new meaning and purpose. Her journey through the identity exchange unveils hidden strengths, teaching her that freedom and responsibility can coexist.
Bo-young’s portrayal captures Mi-ji’s underlying vulnerability beneath her seemingly easygoing demeanor, illustrating how someone can appear self-assured while actually feeling lost. The character’s evolution throughout the series shows that stepping outside comfort zones can lead to rediscovering one’s true potential.
Yoo Mi-rae: The Overachiever Learning Realness
Mi-rae, portrayed by Park Bo-young, embodies the weight of perfectionism and societal pressures. As the older twin adhering to the conventional success pathway, she symbolizes those achieving all the ‘right’ milestones yet experiencing emptiness. Her time living as Mi-ji introduces her to spontaneity, joy, and the value of genuine connections.
Park Bo-young’s exceptional dual performance distinguishes two characters who feel like entirely different individuals despite their identical looks. Mi-rae’s transformation from a strict perfectionist to someone open to imperfection resonates with viewers feeling confined by expectations.
Lee Ho-su: The Attorney Torn Between Realms
Park Jin-young plays Lee Ho-su, a lawyer at a major firm who becomes romantically entangled with both twins during their identity swap. His character acts as both a love interest and a reflection of the twins’ personal growth, as he grapples with his feelings while the sisters explore their true selves.
Ho-su’s interactions with both Mi-ji and Mi-rae emphasize the series’ themes of authenticity in relationships and how we alter our personas for different people. His character arc enhances the romantic subplot while contributing to the overarching narrative of self-discovery.
Supporting Roles: Family and Society
The supporting cast, featuring Kim Sun-young and Jang Young-nam, weaves a rich tapestry of familial and community dynamics. The grandmother’s role offers wisdom and stability, while colleagues and friends in both Seoul and Duson-ri embody diverse lifestyle choices and values.
These characters illustrate how our environments shape us and how altering our surroundings can lead to personal transformation. The contrast between bustling Seoul and serene Duson-ri becomes almost a character itself, symbolizing differing life and success philosophies.
Netflix Triumph
Our Unwritten Seoul achieved impressive success on Netflix, reaching fifth place on the Global Top 10 Non-English Shows following its finale. The series struck a chord with international audiences, becoming a global streaming sensation, thanks to its universal themes of identity and self-discovery. With an IMDb rating of 8.4, the show received acclaim for its emotional richness, Park Bo-young’s outstanding dual roles, and its insightful exploration of truly knowing oneself. The series finale emerged as the highest-rated episode, elevating Our Unwritten Seoul to international acclaim and solidifying its status as one of 2025’s notable K-dramas.
For those who enjoy character-centric stories on identity and self-discovery, Our Unwritten Seoul is an ideal series to binge-watch on Netflix. The blend of Park Bo-young’s remarkable dual performance, heartfelt narrative, and meaningful themes of authenticity offers a viewing experience that’s both entertaining and emotionally impactful.
Our Unwritten Seoul skillfully interweaves a narrative of twin sisters discovering themselves by inhabiting each other’s lives, illustrating that the journey to self-discovery sometimes requires stepping into another’s shoes.
Series Information:
Number of Episodes: 12 episodes
Platform: Netflix
Rating: 8.4/10 (IMDb)
Genre: Drama, Romance, Family
Main Cast: Park Bo-young (Yoo Mi-ji/Yoo Mi-rae), Park Jin-young (Lee Ho-su), Ryu Kyung-soo
Supporting Cast: Kim Sun-young, Jang Young-nam, Im Chul-soo, Lee Jae-in