My Dearest Nemesis () is a 2025 South Korean television series written by Kim Soo-yeon, directed by Lee So-hyun, and starring Moon Ga-young, Choi Hyun-wook, Im Se-mi and Kwak Si-yang. Based on the webtoon of the same name by Hye Jin-yang, it revolves around a boss and an employee who shared a past relationship. It aired on tvN every Monday and Tuesday at 20:50 (KST) from February 17 to March 24, 2025. It is also available for streaming on TVING in South Korea, U-Next in Japan, Vidio in Indonesia, and Viki in selected regions.
Synopsis It tells the story of Ban Ju-yeon (played by Choi) and Baek Su-jeong (played by Moon) who first meet via their online game characters during their school days, then meet again in real life as boss and employee 16 years later.
Cast Main Moon Ga-young as Baek Soo-jung The planning team leader at Yongseong Department Store. Choi Hyun-wook as Ban Joo-yeon Moon Woo-jin as young Joo-yeon The head of the strategic planning division of Yongseong Department Store. Im Se-mi as Seo Ha-jin A bar owner of Sulo's. Kwak Si-yang as Kim Shin-won The head of the design department at Yongseong Department Store.
Supporting Ban Hyo-jung as Jeong Hyo-sun Ko Chang-seok as Baek Won-seop Baek Soo-jung's father. Kim Young-ah as Kwon In-kyung Joo-yeon's secretary. Son Sang-yeon as Baek Soo-bin Kim Woo-gyeom as Yang Jun-su Lim Young-joo as Choi Na-na
Others Oh Eui-shik as TVXQ-tip
Production and release Development My Dearest Nemesis was developed under the working title Black Salt Dragon. The series is based on a webtoon by Hye Jin-yang. It was directed by Lee Soo-hyun, who directed Delightfully Deceitful, and the screenplay is written by writer Kim Soo-yeon. It was produced by Studio N and planned by Studio Dragon.
Casting On April 2, 2024, it was reported that Moon Ga-young and Choi Hyun-wook were in talks to be cast. On July 12, tvN announced that Moon and Choi had been cast. On July 15, Im Se-mi and Kwak Si-yang reportedly confirmed their appearances.
Release The series premiered on tvN on February 17, 2025, and aired every Monday and Tuesday at 20:50 (KST). It is also available for streaming on TVING in South Korea, U-Next in Japan, Vidio in Indonesia, and Viki in selected regions. The series topped in Viki in 136 countries, including in the U.S., the U.K., France, Brazil, Mexico, India and the United Arab Emirates.
Viewership
+ Average TV viewership ratings Original broadcast date Average audience share(Nielsen Korea)Nielsen Korea ratings:
Nationwide Seoul 1 February 17, 2025 3.534% 3.663% 2 February 18, 2025 3 February 24, 2025 4.533% 4.560% 4 February 25, 2025 4.079% 4.150% 5 March 3, 2025 4.927% 6 March 4, 2025 4.871% 7 March 10, 2025 4.456% 4.620% 8 March 11, 2025 4.011% 4.112% 9 March 17, 2025 3.727% 3.801% 10 March 18, 2025 4.169% 4.388% 11 March 24, 2025 4.347% 3.940% 12 4.132% 3.407% Average In the table above, the represent the lowest ratings and the represent the highest ratings. This drama airs on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC, and EBS).
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