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My Royal Nemesis

TV series20261h 10m / episode

Kang Dan-sim knows the rules of Joseon life. Modern society is another problem entirely. My Royal Nemesis drops her into the life of Shin Seo-ri, where a wealthy heir with a need for control gets a woman he can't easily handle.

Where to watch My Royal Nemesis (2026)

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A viewing guide to My Royal Nemesis

Original context, checked against this title’s facts and the sources below. Streaming listings are dated separately above.

Two names, one very difficult adjustment

Lim Ji-yeon plays both Kang Dan-sim, the woman from Joseon, and Shin Seo-ri, her modern-day host. Heo Nam-jun plays Cha Se-gye, an heir to a powerful business family. He's used to keeping his life in order; she brings a very different set of expectations. That's where the romantic comedy gets its friction, as an old-world villainess tries to make a life in the present.

Editorial context checked Oct 25, 2026 · How this guide is prepared

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