Have you ever wanted to be part of your favorite novel and feel its excitement? Get ready for the premiere of the captivating new webtoon-based Korean drama “The First Night with the Duke,” featuring an impressive cast led by Seohyun and Ok Taecyeon as the lead couple. The story follows a vivid reader who suddenly enters her favorite novel and changes its plot. Let’s explore this upcoming series!
“The First Night with the Duke” Korean Drama (2025)

The upcoming K-drama “The First Night With the Duke” (“남주의 첫날밤을 가져버렸다”) is a live-action adaptation from the original Naver series web novel of the same name by Hwang Do Tol.
Director Lee Woong Hee, known for the hit series “My Perfect Stranger,” directed this series, while the drama’s script is a collaboration of writer and novelist Jeon Seong and Hwang Do Tol. Additionally, the series is co-produced by Studio N and Monster Union.
Let’s dive into this enchanting K-drama, “The First Night with the Duke,” including its storyline, cast, characters, and premiere date.
Storyline
University student K suddenly finds herself as Cha Sun Chaek, a minor character in her favorite historical romance novel. Cha Sun Chaek comes from a wealthy noble family and dreams of a peaceful life. But she ends up spending a night with Lee Beon, a handsome royal warrior with a cold personality. Cha Sun Chaek comforts Lee Beon after his painful past and then tries to match him with Jo Eun Ae, the novel’s heroine. However, Lee Beon’s heart keeps returning to her.
“The First Night with the Duke” Cast & Characters

Seohyun as University Student K / Cha Sun Chaek
K is a passionate reader and an ordinary college student whose soul is transferred into the novel’s world as a minor character, Cha Sun Chaek. She originally dreams of a quiet life but finds herself at the center of the novel’s plot.
Ok Taecyeon as Prince Kyungsung / Lee Beon (Gyeongseong-gun)
Lee Beon is the male lead in the novel. He is a cold, handsome royal warrior favored by the King. However, his tragic past still haunts him.
Kwon Han Sol as Cho Eun Ae
Cho Eun Ae is the story’s original heroine. Cha Seon Chaek tries to set up with Lee Beon.
Seo Bum June as Jung Su Gyum
Jung Su Gyum is Lee Beon’s only close friend. He is known as a young officer from a prestigious family.
Ji Hye Won as Do Hwa Sun
Do Hwa Sun is an ambitious noblewoman. She has a strong determination to marry Lee Beon and secure her place in the royal family.

Fun Facts
- The upcoming drama “The First Night with the Duke” marks Seo Hyun’s comeback project since her hit drama “Song of the Bandits” in 2023.
- It is also Ok Taecyeon’s comeback drama, following his 2023 rom-com, “Heartbeat.”
- This series marks the director Lee Woong Hee’s debut in the fantasy romance genre.
- The filming took place at real historical places.
“The First Night with the Duke” Premiere Date
Save the date! The new KBS Korean drama “The First Night With the Duke,” one of the most-anticipated new Korean dramas this month, will premiere on June 11, 2025. The new series will come every Wednesday and Thursday at 21:50 KST.
In the meantime, watch the trailer for the upcoming drama below.
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