Surely Tomorrow is a new Korean romance drama set to air at the end of 2025. The series stars Park Seo Joon and Won Ji An, and tells the emotional story of two people whose love stretches across many years.
Park returns to the romance genre with Surely Tomorrow after years is all the more reason to add it to the watchlist. He has starred in many Korean classics such as What’s Wrong with Secretary Kim and Fight For My Way. On the other hand, Won Ji An recently rose to global fame with Squid Game and Disney+’s spy thriller Tempest.
Since the drama premiere next month, here is everything fans need to know, including release date, plot, cast lineup, and more.
Surely Tomorrow Release Date
Surely Tomorrow starring Won Ji An and Park Seo Joon is scheduled to premiere on December 6, 2025, and conclude on January 11, 2026. In South Korea, it will air on the JTBC network every Saturday and Sunday at 22:40 (KST).
For international audiences, the drama will be available globally. It has been confirmed that Prime Video will stream this romance K-drama exclusively in over 240 countries and territories. New episodes will be released weekly on the streaming platform and JTBC.
Plot Overview
Surely Tomorrow follows the intricately intertwined lives of Lee Gyeong Do (Park Seo Joon) and Seo Ji Woo (Won Ji An). Their romance begins in their early twenties, but like many first loves, it ends with the two going their separate ways. Fate brings them back together in their late twenties and offers them a second chance at romance, but their second attempt fails, too.
Years later, life orchestrates their most unexpected reunion yet. Lee Gyeong Do is now a journalist for Dongwoon Ilbo, assigned to cover a sensational extramarital affair scandal. To his shock, he discovers that Seo Ji Woo is the wife of the man at the centre of the scandal he is reporting on.
Their third meeting happens suddenly and under difficult circumstances. This forces them to face their past and the feelings they still have for each other.
Cast and Characters
Main Cast
- Park Seo Joon as Lee Gyeong Do: Park Seo Joon plays the male lead, an entertainment reporter for Dongwoon Daily News who reunites with his first love under complicated circumstances. He is widely known for his leading roles in popular Korean dramas such as Itaewon Class, She Was Pretty, Concrete Utopia, and Gyeongseong Creature. He has also appeared in the Korean reality show Jinny’s Kitchen and ventured into Hollywood with a role in the film The Marvels.
- Won Ji An as Seo Ji Woo: Won Ji An plays the female lead, Gyeong Do’s ex-girlfriend, who re-enters his life when he reports on a scandal involving her husband. She gained significant recognition for her role in the global Netflix hit Squid Game (Seasons 2 & 3). She has also starred in the romantic series Heartbeat and the critically acclaimed military drama D.P. Her next project would be Made in Korea, available on Disney+ starting next month.
Supporting Cast
- Lee El as Seo Ji Yeon: Lee El plays Seo Ji Yeon, Ji Woo’s older sister and the CEO of Jarim Apparel. She recently appeared in the historical series Queen Mantis, comedy drama My Troublesome Star, and cosmic romance When The Stars Gossip.
- Lee Joo Young as Park Se Young: Lee Joo Young plays Park Se Young, a friend of both Gyeong Do and Ji Woo who works as the director of an art school. She has previously starred in dramas such as Genie, Make a Wish, and Ms. Incognito.
- Kang Ki Doong as Cha Woo Sik: Kang Ki-doong plays Cha Woo-sik, the husband of Park Se Young, who dreams of becoming an actor. He also appeared in “Ms. Incognito” alongside Lee Joo Young.
- Jo Min Gook as Lee Jung Min: Jo Min Gook plays Lee Jung Min, a used car dealer and another friend from the main couple’s college days. He was recently in the drama Heavenly Ever After.
- Jeong Ha Jin as Nam Bo Ra: Jeong Ha Jin plays Nam Bo Ra, an intern reporter in the entertainment division.
Surely Tomorrow Trailer
The first teaser poster, which features a tender scene of Park Seo Joon carrying Won Ji An on his back, has been well-received by fans. So far, JTBC and Prime Video have released multiple Surely Tomorrow teasers, which hint at the deep bond between the leads.
These teasers show Park and Won’s characters meeting at different phases of their lives, getting back together, and then breaking up. When Ji Woo asks Gyeong Do what his goal in life is, he answers, “When I see you, I just want to feel glad.”
Creative Team
Surely Tomorrow brings together a strong creative team both in front of and behind the camera. The series is helmed by Lim Hyun Wook, who is known for his skillful direction in popular dramas like King the Land and Reflection of You. The script is penned by Yoo Young Ah, the writer behind beloved series such as Thirty-Nine and Divorce Attorney Shin. It is co-produced by SLL, Story Forest, and Studios IN.
Mark your calendar for December 6 when Surely Tomorrow premieres on Netflix and JTBC.
