TV series
Reincarnated as a minor character in a novel, Cha Seon-taek unexpectedly spends a night with Prince Kyungsung, sparking an intense and unexpected romance.
Availability
The First Night with the Duke premiered June 11, 2025. We don't have a confirmed streaming, rental or purchase option yet.
Reincarnated as a minor character in a novel, Cha Seon-taek unexpectedly spends a night with Prince Kyungsung, sparking an intense and unexpected romance.
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Episode 1
K finds herself inhabiting the body of Cha Sun Chaek, a wealthy but completely irrelevant side character. With a VVIP ticket to watch the epic romance unfold, her simple plan is to stay out of the way and enjoy the show. But that plan is spectacularly derailed after a wild night of celebration ends with her accidentally stealing the male lead’s first night.
Where to watch The First Night with the Duke
Episode 2
Cha Sun Chaek tried her best to run from Yi Beon.
Where to watch The First Night with the Duke
Episode 3
Yi Beon encountered an unusual figure. Cha Sun Chaek tries to fix the story she broke. Jeong Su Gyeom held a gathering for the Astral Philosophy Club.
Guest stars Jung Jung-ah, Su Hyun
Episode 4
Yi Beon's persistence reached Cha Sun Chaek's family. Cha Sun Chaek encountered a foreigner. Do Hwa Sun persuaded the Queen Dowager to do something in her favor.
Guest stars Choi Hyeon-jin, Su Hyun
Episode 5
The Palace officially hold the bride selection process for Yi Beon.
Where to watch The First Night with the Duke
Episode 6
Yi Beon continues investigating the figures surrounding Cha Sun Chaek's incident. Jeong Su Gyeom gets jealous. Cha Sun Chaek made it to the final round of selection.
Guest stars Choi Hyeon-jin
Episode 7
Yi Beon and Cha Sun Chaek are getting closer. Jeong Su Gyeom braves himself to pursue his dream woman. A new villain entered the story.
Guest stars Choi Hyeon-jin
Episode 8
Someone from Cha Sun Chaek's childhood past emerged. Yi Beon and Cha Sun Chaek's courtship faces another obstacle. Yi Beon's relationship with the King is being tested with the return of the exiled prince.
Where to watch The First Night with the Duke
Episode 9
Cha Sun Chaek and Yi Beon's courtship gained blessings, but the hardships remain. A highly unlikely pair starts to join forces.
Guest stars Ban Hye-young
Episode 10
Jeong Su Gyeom obtained the truth. Yi Beon received punishment from the King. The Black Gang is getting stronger.
Guest stars Choi Hyeon-jin
Episode 11
Yi Beon fights for his life, and his lover. Lee Kyu's plan fell into place. Cha Sun Chaek take matters into her own hands.
Where to watch The First Night with the Duke
Episode 12
Yi Beon and Cha Sun Chaek overcome their adversaries.
Guest stars Choi Hyeon-jin
Episode information updated Jul 25, 2026
Available now in United States
These shows are available now and closely match The First Night with the Duke.
SeohyunCha Seon-chaek / K
Ok Taec-yeonPrince Kyungsung / Lee Beon
Kwon Han-solCho Eun-ae
Seo Bum-juneJeong Su-gyeom
Chi Hae-wonDo Hwa-seon
Lee Tae-seonPrince Seonghyeon
Seo Hyun-chulCha Ho-yeol
Yun Yoo-sunYoon Deok-jeong
KBS2South Korea
Studio NSouth Korea
Monster UnionSouth Korea
