My Royal Nemesis

During the Joseon Dynasty, Kang Dan-shim gains notoriety at court for her cunning and ambition. Through manipulation and intellect, she ascends to the rank of royal concubine. Feared for her ruthlessness, she is eventually sentenced to death by poison. However, her fate does not end with her death. Her soul awakens in 21st-century South Korea, inhabiting the body of Shin Seo-ri, an unknown actress who plays minor roles in historical dramas. In this unfamiliar era, Dan-shim gradually takes control of Seo-ri's life and, due to her unpredictable nature, quickly adapts to the modern world. She crosses paths with Cha Se-gye, the ruthless chaebol heir. The two develop a tense, conflict-driven relationship complicated by a love-hate dynamic. Navigating the unfamiliar world, Kang Dan-shim realizes this twist of fate gives her a chance to escape her predetermined destiny and reshape her life. ==Cast and characters==

Main • Lim Ji-yeon as Shin Seo-ri / Kang Dan-shim : Seo-ri's manager. • Lee Se-hee as Yoon Ji-hyo : A top star with 19 years of experience in the entertainment industry. • Yoon Joo-sang as Cha Dal-su : Se-gye's grandfather, who is the Chairman of Chail Group. • as Jang Seok-ho : A B.O.J. executive, who was once a founding member of the Chail Group. • Jeong Jae-hyeok as Seo Nam-jin (Secretary Seo) : Mun-do's attendant. • Shin Jeong-won as Kim Hyun-hee (Secretary Kim) : Se-gye's secretary, who is raising two children. • Kim Hyun as Kwon Jin-ok : The butler in charge of the affairs of Dal-su's mansion. ==Production==

Development Han Tae-seop, who helmed Cheer Up (2022) and Hot Stove League (2019–2020), was attached to direct the series, and the screenplay is written by Kang Hyun-joo. The production is handled by Studio S, Studio Dragon and Gill Pictures. Casting In June 2025, Lim Ji-yeon received an offer to play the role of Shin Seo-ri and was considering it. The next month, Heo Nam-jun was offered to play the male lead. Lim and Heo's appearances were officially confirmed by October 2025, and Lee Se-hee, Chae Seo-an, Kim Min-seok, and Jang Seung-jo were reportedly cast. Filming Principal photography began in the second half of 2025. ==Release==

My Royal Nemesis was reportedly scheduled to premiere on SBS TV in the first half of 2026, airing on a Friday–Saturday timeslot. By April 2026, the series was confirmed to premiere on May 8, 2026, and will also be available for streaming on Netflix. ==References==