A summer crush is magical. It might only last a season, but the memory can stick with you forever. And that unforgettable feeling is what drives “Last Summer,” a new Korean drama for 2025. The show starts with a sweet first love story, but things get complicated fast. Curious about how this drama unfolds? Get the full story and discover why you should watch it.
“Last Summer” (마지막 썸머) Korean Drama 2025
This November 2025, get ready for “Last Summer.” But don’t expect a typical romance. It’s about two brothers and a girl navigating first love, loss, and the mess of figuring out who you are. The whole story is wrapped in the memories of a single summer. With Lee Jae-wook and Choi Sung-eun leading, it promises to be an emotional journey about healing and finding your way back to yourself.
Synopsis: Blending Summer Love with a Haunting Secret
Two identical twin brothers, Baek Do-ha and Baek Do-yeong, are separated by their parents’ divorce. Every year, the younger twin, Do-ha, flies from the U.S. to South Korea for a 21-day summer vacation.
For their childhood friend, Song Ha-gyeong, those three weeks were everything. She developed a secret crush on the charming Do-ha, the boy who only appeared with the summer sun.
Fast forward to adulthood. Ha-gyeong is a civil servant, and Do-ha is a talented architect. After years of silence, a tragic event reunites them. But something is different.
Do-ha must now reveal a devastating truth from their past, a secret that has been silently shaping their lives all along. Will it tear them apart for good, or will it finally give their love a chance to bloom?
Cast and Characters
The drama boasts a talented ensemble cast.
Lee Jae-wook as Baek Do-ha / Baek Do-yeong:
- Baek Do-ha—The younger twin, a talented architect who grew up in the United States and visited Korea every summer.
- Baek Do-yeong—The older twin, a mysterious figure who lived in South Korea next door to Ha-gyeong.
Choi Sung-eun as Song Ha-gyeong: A dedicated civil servant working as an architectural public official. She is the twins’ childhood friend and has long held a secret love for Do-ha.
Kim Gun-woo as Seo Soo-hyuk: An appellate lawyer and the youngest son of the prestigious law firm ‘Seo & Joo’.
Other notable cast members include:
- Kwon Ah-reum as Yoon So-hee (Do-ha’s friend)
- Ahn Dong-goo as Oh Seung-taek (A para ice hockey player)
- Jung Bo-min as Lee Seul (I Sul) (Ha-gyeong’s friend)
- Choi Byung-mo as Baek Ki-ho (The twins’ father)
- Kang Seung-hyun as Jeon Ye-eun
- Chae Dan-bi as Kim Da-ye (Ha-gyeong’s junior)
- Ahn Chang-hwan as Jeon Nam-jin
- Jung Jae-geun
One Star, Two Faces: Lee Jae-wook’s Dual Role
In this series, Lee Jae-wook is taking on an intriguing yet challenging acting role. He’s playing both twins, Do-ha and Do-yeong.
Known for his captivating roles in “Alchemy of Souls” and “Dear Hongrang,” fans are excited to see him switch between two complex characters.
The actor is stepping into two different personalities. One is the bright, easy-going summer boy you feel like you know. The other is wrapped in shadows and mystery.
This is the kind of role that actors dream about. It’s a rare chance to show off range and depth. It gives us a front-row seat to Lee Jae-wook’s impressive talent.
Paired with the brilliant Choi Sung-eun (“The Sound of Magic”), who plays the earnest Ha-gyeong, this duo is set to deliver some powerful on-screen chemistry.
[#마지막썸머] [🎬] 선공개 메이킹 | 쌍둥이 형제와 썸을 탄 사연💞
— KBS DRAMA (@KBS_drama) October 27, 2025
📺 풀버전은 유튜브와 네이버 TV에서 확인하세요!
KBS 2TV 새 토일 미니시리즈 [마지막 썸머]
11월 1일 (토) 밤 9시 20분 첫 방송#KBS #KBS2 #KBSDRAMA #KDRAMA #마지막썸머 #Lastsummer #이재욱 #최성은 #김건우 pic.twitter.com/tDKev4OqkO
Production and Themes
Director Min Yeon-hong (“Missing: The Other Side”) and author Jeon Yoo-ri (“Kiss Sixth Sense”) are the creative team behind “Last Summer.”
They weave romance, grief, and an identity crisis with a touch of workplace politics, all framed within the tender warmth of summer memories. The drama explores the architecture industry, symbolizing the characters’ emotional rebuilding through the physical renovation of their summer house.
More Than a Drama, It’s a Whole Vibe
Beyond the stunning cast, the producers also have an incredible artist lineup for the soundtrack.
The list includes Heize, Paul Kim, Lee Mu-jin, Ateez, and BIBI, among others. That’s not just a soundtrack; it’s a festival lineup. The production is investing heavily in creating a specific mood for the show—one filled with nostalgia, longing, and unforgettable emotion.
Why “Last Summer” is a Must-Watch
So, why should you watch “Last Summer”?
If you love a story that tugs your heart while keeping you on the edge of your seat, then this drama is for you. It wraps the warm, comforting vibe of childhood friends slowly becoming lovers inside a gripping psychological mystery.
It’s about love. It’s about loss. And it’s about a secret that could shake the very roots of memory.
The show weaves heartfelt romance, nostalgia, and mystery into an engaging story that keeps you tuned in.
“Last Summer” Premiere Date & Where to Stream
The new Korean drama “Last Summer” premieres on November 1, 2025. It will air on KBS2 in South Korea. If you live outside Korea, you can watch the series on global platforms like Viki and Netflix.
Are You Ready for the “Last Summer”?
A powerful story, a stellar cast, and an exceptional soundtrack. The upcoming Korean drama “Last Summer” has everything it needs to be a hit. It’s poised to be one of the most unforgettable shows of 2025.
So, get ready for an emotional journey. It will take you to a story about the memories we cherish and the ones we wishwe could forget.
In the meantime, watch the drama’s highlights below.
Join us on Kpoppost’s Instagram, Threads, Facebook, X, Telegram channel, WhatsApp Channel and Discord server for discussions. And follow Kpoppost’s Google News for more Korean entertainment news and updates.
