Park Bo Young fans will see her play four roles in “Our Written Seoul,” with heartthrob Jinyoung (“Yumi’s Cells,” “The Witch”) as her leading man. The duo, who are labelmates as well, began filming after the GOT7 member was discharged from the military in November.
Park Bo Young has recently expanded her acting range with diverse roles in dramas like “Light Shop” and “Daily Dose of Sunshine”. The rom-com queen appeared in the Netflix drama “Melo Movie” with Choi Woo Shik, which premiered in February. Her upcoming role could be her most challenging yet
“Our Unwritten Seoul” has released multiple trailers so far, and viewers are already speculating about the intriguing storylines. Not to mention, Park Bo Young has gone blonde to play the role of identical twins.
Before its scheduled premiere later this month, here’s everything you need to know about the drama “Our Unwritten Seoul”.
“Our Unwritten Seoul” Plot
“Our Unwritten Seoul” revolves around identical twins Yu Mi Ji and Yu Mi Rae, who share the same face but lead dramatically different lives. Their paths collide as they swap identities after getting caught in a web of lies.
It explores the themes of love, identity, and growth as the sisters, who are worlds apart in spirit, navigate each other’s lives. Park Bo Young plays the love interest, and the attention is being to his role in the romance drama.
The writer Lee Kang (“Youth of May”) summed up the plot quite nicely in an interview with the Korean media, saying that it’s the story about “people who seem fine on the outside, but are already shaken and worn out inside.”
Key Details
- Title: “Our Unwritten Seoul”
- Director: Park Shin Woo
- Writer: Lee Kang
- Genre: Romance, Coming-of-age
- Runtime: 70 minutes
- Episodes: 12
- Airs on: Saturday-Sunday
- Network: tvN
- Release Date: May 24, 2025
- Cast: Park Bo Young, Jinyoung, Ryu Kyung Soo
Cast and Characters
Park Bo Young as Yu Mi Ji and Yu Mi Rae
Park Bo Young takes on the challenging dual role of twin sisters who couldn’t be more different.
Yu Mi Ji is the younger twin, a former national-level sprinter whose athletic career ended abruptly. Now living without clear direction, she takes life as it comes. She lives a free-spirited and unstructured life and works at odd jobs. Unlike Mi Rae, Mi Ji is warm, emotionally expressive, and relaxed.
Yu Mi Rae, the older sister, represents everything Mi Ji isn’t – a meticulous planner who graduated top of her class from Seoul National University. As a rising star at a government-owned enterprise, she is driven by the need to succeed, though her perfectionism stems from childhood insecurities.
Park Bo Young has starred in iconic K-dramas since her debut with roles like “Strong Girl Bong-Soon,” “Doom At Your Service,” “Abyss,” “Light Shop,” and more.
Jinyoung as Lee Ho Su
Jinyoung plays Lee Ho Su, a charming lawyer with a troubled past. His carefree smile hides childhood trauma that shaped his relentless work ethic. As he gets involved with both sisters, he becomes key to their journey of self-discovery.
Since venturing into acting, Jinyoung has starred in multiple hit K-dramas such as “Yumi’s Cells,” “The Witch,” “The Devil Judge,” and more.
Ryu Kyung Soo as Han Se Jin
Ryu Kyung Soo as Han Se Jin, a former hedge fund chief who left finance to operate a farm.
Ryu is known for his roles in “The Bequeathed,” “Tale of Nine Tailed 1938,” “Glitch,” “Hellbound,” and more.
“Our Unwritten Seoul” Trailer
Since the announcement, tvN has released multiple teasers and still cuts to get a glimpse into the characters’ lives as they navigate unfamiliar challenges.

“Our Unwritten Seoul” Release Date
tvN will broadcast the first episode of “Our Unwritten Romance” starring Park Bo Young and Jinyoung on May 26, 2025. The 12-episode drama will conclude its run on June 29, 2025. Global streaming will be available via Netflix and TVING.