[Review] ‘My Royal Nemesis’ (2026): A Delightfully Wicked, Genre-Bending Rom-Com That Rules The Ratings

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SBS’s latest hit series, My Royal Nemesis, effortlessly breathes fresh life into the time-travel genre by pairing a Joseon-era villainess with a modern-day corporate "monster" for a chaotic, high-stakes romance.

While fantasy time-travel and reincarnation have long been staples of the K-drama industry, My Royal Nemesis sets itself apart by throwing morality completely out the window. Instead of the typical pure-hearted historical heroine trying to survive the modern world, this series introduces a deeply flawed, fiercely manipulative protagonist who uses her ancient wits to conquer the 21st century. Backed by the stellar creative direction of Han Tae-seop and Kang Hyun-woo, the show beautifully balances high-production historical flashbacks with a glossy, fast-paced modern Seoul setting.

Synopsis: The Vixen and The Capitalist Beast

The story opens in the Joseon Dynasty, where Kang Dan-sim reigns supreme as the ultimate femme fatale and the most hated royal concubine in the palace. Rising through the ranks through sheer deception, her reign of terror ends abruptly when she is executed by poison. However, instead of passing into the afterlife, her soul wakes up in the year 2026 inside the body of Shin Seo-ri, an unheralded, struggling actress working on a historical drama set.

Armed with her ruthless Joseon survival instincts, Dan-sim refuses to be a victim in this new era. She quickly crosses paths with Cha Se-gye, a third-generation chaebol heir so cold and unyielding that he is dubbed a "monster created by capitalism". Recognizing his immense power, Dan-sim decides to play a dangerous psychological game, using her wicked wits to transform this corporate titan into her ultimate "shield and spear". What follows is an explosive, double-villain love-hate relationship that turns both the entertainment and corporate worlds upside down.

Cast and Characters

• Lim Ji-yeon as Shin Seo-ri / Kang Dan-sim

Lim Ji-yeon delivers a tour-de-force performance, brilliantly switching between a desperate 21st-century actress and a sharp-tongued, fiercely calculating Joseon royal. Her comedic timing and wicked charisma form the beating heart of the series.

• Heo Nam-jun as Cha Se-gye

Hot off his breakout success, Heo Nam-jun plays the arrogant and powerful heir of the Chail Group. Despite his cold exterior, his dynamic changes hilariously as he finds himself completely disarmed, panicked, and manipulated by Seo-ri's bizarre yet commanding demeanor.

• Jang Seung-jo as Choi Moon-do

Se-gye’s outwardly polite but internally ruthless distant cousin. Moon-do is desperately scheming to usurp the Chail Group throne and shares a mysterious, unresolved past connection to Dan-sim from the Joseon era.

• Lee Se-hee as Yoon Ji-hyo

An A-list top star and Seo-ri’s fierce professional rival. Her constant clashes with the newly emboldened Seo-ri provide excellent showbiz satire and intense entertainment.

Airing Schedule & Explosive Ratings

Since its premiere on May 8, 2026, My Royal Nemesis has taken the weekend ratings by storm. Airing every Friday and Saturday night on SBS and streaming globally on Netflix, the show has shown phenomenal growth.

Initially debuting to modest numbers, the series broke into the double-digit territory by its sixth episode. It recorded a spectacular personal best national rating of 10.4%, completely dominating its timeslot and cementing its status as one of the most-watched miniseries of the season.

The Verdict: Why It’s a Must-Watch

According to early reviews aggregated on Rotten Tomatoes, critics agree that while My Royal Nemesis relies on classic K-drama frameworks like corporate inheritance feuds and past-life connections, its execution feels entirely revitalized.

The absolute highlight of the show is the magnetic, "villain-meets-villain" chemistry between Lim Ji-yeon and Heo Nam-jun. Watching two morally grey, highly ambitious characters try to outsmart each other—only to accidentally fall head over heels—gives the series a unique flavor that sets it apart from traditional sweet rom-coms. It captures a nostalgic, late-2000s classic rom-com energy but elevates it with sharp writing, high production design, and zero drag.

Final Rating: 4.5 / 5 Stars ⭐️

Official Trailer & Previews

Catch a glimpse of the hilarious cultural whiplash, intense power struggles, and heart-fluttering chemistry by watching the official network previews and teasers below: