Our Unwritten Seoul (Series)

Our Unwritten Seoul (Korean: 우리의 쓰지 않은 서울, RR: Uriui Sseuji Aneun Seoul) is a South Korean romantic drama series released in 2025. The series presents its narrative centered on identity, life choices, and personal orientation within a multilayered story set in the capital city of Seoul. The production stands out particularly through its plot structure built around two characters swapping lives.

Overview and Broadcast History

Released in 2025, the series was made available to international audiences via Netflix. As one of the contemporary examples of South Korean television dramas, it centers on themes of urban life and individual identity.

Designed as a single-season production, the series offers a cohesive narrative through its limited number of episodes. During its broadcast, it drew particular attention for its character-driven progression.

Setting and Plot

The series is situated within the social and economic fabric of modern Seoul. The city is not merely a backdrop but an active element that directly influences the characters’ lives.

The plot revolves around two characters representing contrasting lifestyles who swap places. Through this structure, different social strata, workplace dynamics, and personal expectations within the city are presented in comparative relief.

A realistic narrative style is adopted, with no supernatural elements. The story unfolds through the characters’ choices and the consequences of those choices.

Yoo Mi-rae (IMDb)

Plot Summary

The story begins with the intersecting lives of identical twins Yoo Mi-ji and Yoo Mi-rae. Although visually identical, the two sisters are distinctly different in lifestyle and personality.

Mi-ji is a free-spirited character seeking direction, while Mi-rae leads a disciplined, planned life adapted to institutional norms. At a certain point, the two sisters temporarily exchange lives.

This swap affects not only their daily routines but also their relationships, careers, and self-perceptions. The process by which the twins adapt to each other’s lives forms the core dramatic structure of the series.

As the narrative progresses, it becomes inevitable for both characters to confront their own lives and face the consequences of their choices.

Main Characters and Cast

Yoo Mi-rae and her grandmother (IMDb)

The series centers on the lives of the two sisters and unfolds through the web of relationships surrounding them. The main characters and the actors portraying them are as follows:

• Yoo Mi-ji / Yoo Mi-rae are the identical twin sisters at the heart of the series. Mi-ji is free-spirited and searching for direction, while Mi-rae is disciplined and adapted to institutional life. Both characters are portrayed by Park Bo-young.
• Lee Ho-soo is a character who was a childhood friend of the twins and works as a lawyer in adulthood. The aftermath of a past accident plays a decisive role in his character development. He is portrayed by Park Jin-young.
• Han Se-jin is a character who built a career in the finance sector but gradually changed her life choices. Her interaction with Mi-rae plays a significant role in the development of the narrative. This character is portrayed by Ryu Kyung-soo.
• Kim Ro-sa is one of the characters who expands the thematic structure of the series through connections to its backstory. The role is portrayed by Won Mi-kyung.
• Lee Choong-gu is a supporting character representing the social network among the main characters and is portrayed by Im Chul-soo.

Yoo Mi-ji (IMDb)

Themes and Narrative Style

The series explores themes such as identity, personal freedom, social expectations, and the impact of urban life on the individual.

The narrative style is character-driven. Rather than relying on dramatic turning points, the plot progresses through the internal transformations of the characters. The swapping of lives between the twins serves as the central structural element of the story and directly influences the development of other characters.

Lee Ho-soo (IMDb)

Awards and Nominations

During its release year, the series was recognized at several award ceremonies in South Korea:

• Baeksang Arts Awards – Nomination for Best Actress (Park Bo-young)
• Seoul International Drama Awards – Nomination for Best Series
• Korean Drama Awards – Nominations in acting categories