''My Dearest Nemesis'' () is a 2025

South Korean television series Korean drama (), also known as K-drama or Koreanovela, refers to Korean-language television shows made in South Korea. These shows began to be produced around the early 1960s, but were mostly consumed domestically until the rise of the Korean Wa ...

written by Kim Soo-yeon, directed by Lee So-hyun, and starring Moon Ga-young,

Choi Hyun-wook Choi Hyun-wook (; born January 30, 2002) is a South Korean actor. In 2019, he began his acting career by leading in the web drama ''Real:Time:Love''. His role in SBS television series ''Taxi Driver'' and ''Racket Boys'' awarded him the Best Ne ...

Im Se-mi Im Se-mi (; born May 29, 1987) is a South Korean actress. She receives wider recognition with web series '' The Worst of Evil'' in 2023. Career In 2004, Im made her debut as Ssamzie catalog model. In 2006, she made her acting debut with minor r ...

and

Kwak Si-yang Kwak Si-yang (born January 15, 1987; Korean: 곽시양; birthname: ''Kwak Myeong-jin'', Korean: 곽명진) is a South Korean actor. Career Kwak debuted as an actor in the 2014 drama '' Glorious Day''. His first major role was the film 2014 '' N ...

. Based on the

webtoon Webtoons () are a type of episodic digital comics that originated in South Korea usually meant to be read on smartphones A smartphone is a mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allo ...

of the same name by Hye Jin-yang, it revolves around a boss and an employee who shared 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 Streaming media refers to multimedia delivered through a network for playback using a media player. Media is transferred in a ''stream'' of packets from a server to a client and is rendered in real-time; this contrasts with file downl ...

TVING TVING () is a South Korean subscription video on-demand over-the-top streaming television service operated by TVING Corporation, a joint venture comprising CJ ENM Entertainment Division (CJ Group), Naver and JTBC by its JTBC Studios, now calle ...

in South Korea,

U-Next is a Japanese over-the-top streaming service. It is majority-owned by U-Next Holdings and minority-owned by TBS Holdings and Hakuhodo DY Media Partners. It was launched in 2007 as GyaO Next and is a large streaming platforms in Japan, with 4. ...

in Japan,

Vidio PT Vidio Dot Com (Vidio) is an Indonesian over-the-top subscription and FAST streaming television service established on 15 October 2014. Originally owned by Mediatama Anugrah Citra, now owned by Surya Citra Media, both are subsidiaries of ...

in Indonesia, TrueVisions NOW in Thailand 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. *

as Ban Joo-yeon **

Moon Woo-jin Moon Woo-jin (; born February 19, 2009) is a South Korean actor. He made his acting debut in 2016 and since then, he has appeared in a lot of television series. His first best-known work was in ''What's Wrong with Secretary Kim'' (2018). He als ...

as young Joo-yeon : The head of the strategic planning division of Yongseong Department Store. *

as Seo Ha-jin : A bar owner of Sulo's. *

as Kim Shin-won : The head of the design department at Yongseong Department Store.

Supporting

Ban Hyo-jung Ban Hyo-jung (; born November 27, 1942), birth name Ban Man-hee (), is a South Korean actress. She made her acting debut in 1964 with a bit part in Shin Sang-ok's film ''Rice'', and went on to a prolific career in television drama In fil ...

as Jeong Hyo-sun *

Ko Chang-seok Ko Chang-seok (born October 13, 1970) is a South Korean actor known primarily for his supporting roles in film and television, notably, ''Rough Cut'' (2008), '' Secret Reunion'' (2010), ''Encounter'' (2018–19), and ''Melo Movie'' (2025). C ...

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 Oh Eui-shik (, born November 1, 1983) is a South Korean actor. Oh made his musical debut in 2006 and has since built up his acting skills in a number of plays and television drama. He is known for roles in television dramas such as '' Oh My Ghos ...

as TVXQ-tip

Production and release

Development

''My Dearest Nemesis'' was developed under the

working title A working title is a preliminary name for a product or project. The usage is especially common in film and TV, gaming, music and publishing. It is often styled in trade publications as (wt) and is synonymous with production title and tentative ...

''Black Salt Dragon''. The series is based on a

by Hye Jin-yang. It was directed by Lee Soo-hyun, who directed ''

Delightfully Deceitful ''Delightfully Deceitful'' () is a 2023 South Korean television series directed by Lee Soo-hyun, and starring Chun Woo-hee and Kim Dong-wook. It aired on tvN from May 29 to July 18, 2023, every Monday and Tuesday at 20:50 ( KST) for 16 episodes. ...

'', and the screenplay is wrote by writer Kim Soo-yeon. It was produced by Studio N and planned by

Studio Dragon Studio Dragon Corporation () is a South Korean Korean drama, drama production, marketing and distribution company under CJ ENM CJ ENM Entertainment Division, Entertainment Division. It was established on May 3, 2016, as a Corporate spin-off, sp ...

Casting

On April 2, 2024, it was reported that Moon Ga-young and

were in talks to be casts. On July 12, tvN announced that Moon and Choi had been cast. On July 15,

and

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

in South Korea,

in Japan,

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

References

External links

* * * {{TvN (South Korean TV channel) television dramas (2020–present) 2025 South Korean television series debuts 2025 South Korean television series endings Korean-language television shows South Korean romance television series Television series by Studio Dragon Television series by Studio N (Naver) TvN (South Korean TV channel) television dramas