My Dearest Nemesis (2025)

A Korean romantic comedy about a department store manager whose new boss turns out to be her long-forgotten first love from an online game.

My Dearest Nemesis - Series Information

  • Original Title: 그놈은 흑염룡
  • First Air Year: 2025
  • Last Air Year: 2025
  • Type: TV Series
  • Genres: Comedy, Drama
  • Episode Runtime: Average runtime per episode (60 minutes)
  • Number of Seasons: 1
  • Number of Episodes: 12
  • Status: Ended
  • Original Language: Korean
  • Spoken Languages: Korean
  • First Air Date: February 17, 2025 (South Korea - 15)
  • Networks: tvN
  • Production Companies: Studio N, Studio Dragon, CJ ENM
  • Production Countries: South Korea
  • Alternative Titles: 那家伙是黑炎龙 (CN), 그 남자는 흑염룡 (KR), عدوي العزيز (SA), That Guy is a Black Flame Dragon (US)

My Dearest Nemesis - Plot

Baek Su-jeong leads a planning team at a renowned department store. She meets her new boss, Ban Ju-yeon, her first love from an online game 16 years ago, stirring up memories of when he confessed his feelings but she rejected him.

My Dearest Nemesis - Trailer

Watch the official trailer and see the sparks fly between old gaming rivals:

Let's love as if there's no shameful past!

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My Dearest Nemesis - Cast & Crew

Main Cast

  • Mun Ka-young
  • Choi Hyun-wook
  • Lim Se-mi
  • Kwak Si-yang
  • Kim Young-ah
  • Ban Hyo-jung
  • Ko Chang-seok
  • Lim Young-joo
  • Kim Woo-kyum
  • Son Sang-yeon

My Dearest Nemesis - FAQs

What is My Dearest Nemesis about?

My Dearest Nemesis follows Baek Su-jeong, a department store planning team leader who discovers her new boss is Ban Ju-yeon — the online gaming companion who confessed his love to her 16 years ago, only to be rejected. Their awkward reunion reignites buried feelings in this charming workplace romantic comedy.

Who are the main actors in My Dearest Nemesis?

My Dearest Nemesis stars Mun Ka-young as Baek Su-jeong and Choi Hyun-wook as Ban Ju-yeon. The supporting cast includes Lim Se-mi, Kwak Si-yang, Kim Young-ah, Ban Hyo-jung, Ko Chang-seok, Lim Young-joo, Kim Woo-kyum, and Son Sang-yeon.

Is My Dearest Nemesis based on a webtoon or true story?

My Dearest Nemesis is adapted from a Korean webtoon, not a true story. The original webcomic, known in Korean as 그놈은 흑염룡, provided the source material for this romantic comedy series about online gaming nostalgia and second-chance romance in a modern workplace setting.

Where can I watch My Dearest Nemesis?

My Dearest Nemesis is available to stream on Rakuten Viki, both with a subscription and with ads. For a full and up-to-date list of streaming options in your region, check JustWatch, which tracks availability across all major platforms.

How many episodes does My Dearest Nemesis have?

My Dearest Nemesis consists of 12 episodes across its single season. Each episode runs approximately 60 minutes. The series aired on tvN in South Korea beginning February 17, 2025, and concluded within the same year.

When did My Dearest Nemesis first air?

My Dearest Nemesis premiered on February 17, 2025, on the South Korean cable network tvN. The series is rated 15 in South Korea and completed its run of 12 episodes in 2025, making it a fully concluded limited-run romantic comedy drama.

Is My Dearest Nemesis cancelled or renewed?

My Dearest Nemesis has ended after its single season of 12 episodes. The series was designed as a complete standalone story and is not currently in production. No second season has been announced by tvN, Studio Dragon, or the other production companies involved.

What are shows similar to My Dearest Nemesis?

If you enjoyed My Dearest Nemesis, you might also like Business Marriage (2024), The Queen Who Crowns (2025), Wednesday Club (2023), Shark: The Storm (2025), and Honey Lemon Soda (2025). These series share similar romantic, comedic, or workplace-drama themes popular in Korean television.

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