My Dearest Nemesis
2025 South Korean television series
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My Dearest Nemesis (Korean: 그놈은 흑염룡) 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.
| My Dearest Nemesis | |
|---|---|
Promotional poster | |
| Hangul | 그놈은 흑염룡 |
| Lit. | He's the Black Dragon |
| RR | Geunomeun heugyeomnyong |
| MR | Kŭnomŭn hŭgyŏmnyong |
| Genre | Romantic comedy |
| Based on | He's a Black Dragon by Hye Jin-yang |
| Written by | Kim Soo-yeon |
| Directed by | Lee So-hyun |
| Starring | |
| Music by | |
| Country of origin | South Korea |
| Original language | Korean |
| No. of episodes | 12 |
| Production | |
| Running time | 60 minutes[2] |
| Production company | Studio N |
| Original release | |
| Network | tvN |
| Release | February 17 – March 24, 2025 |
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.[3]
Cast
Main
- Moon Ga-young as Baek Soo-jung[4]
- The planning team leader at Yongseong Department Store.
- Choi Hyun-wook as Ban Joo-yeon[4]
- Moon Woo-jin as young Joo-yeon[5]
- The head of the strategic planning division of Yongseong Department Store.
- A bar owner of Sulo's.
- Kwak Si-yang as Kim Shin-won[6]
- The head of the design department at Yongseong Department Store.
Supporting
- Ban Hyo-jung as Jeong Hyo-sun[5]
- Ko Chang-seok as Baek Won-seop
- Baek Soo-jung's father.
- Kim Young-ah as Kwon In-kyung[7]
- Joo-yeon's secretary.
- Son Sang-yeon as Baek Soo-bin[5]
- Kim Woo-gyeom as Yang Jun-su[5]
- Lim Young-joo as Choi Na-na[5]
Others
- Oh Eui-shik as TVXQ-tip[8]
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.[9] It was directed by Lee Soo-hyun, who directed Delightfully Deceitful, and the screenplay is wrote by writer Kim Soo-yeon.[4] It was produced by Studio N and planned by Studio Dragon.[10]
Casting
On April 2, 2024, it was reported that Moon Ga-young and Choi Hyun-wook were in talks to be casts.[11] On July 12, tvN announced that Moon and Choi had been cast.[12] On July 15, Im Se-mi and Kwak Si-yang reportedly confirmed their appearances.[6]
Release
The series premiered on tvN on February 17, 2025, and aired every Monday and Tuesday at 20:50 (KST).[13] It is also available for streaming on TVING in South Korea, U-Next in Japan, Vidio in Indonesia, and Viki in selected regions.[14][15] 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.[16]
Viewership
| Season | Episode number | Average | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |||
| 1 | 846 | 919 | 1079 | 966 | 1171 | 1258 | 1043 | 934 | 912 | 1038 | 993 | 968 | 1011 | |
| Ep. | Original broadcast date | Average audience share (Nielsen Korea)[17] | |
|---|---|---|---|
| Nationwide | Seoul | ||
| 1 | February 17, 2025 | 3.534% (1st) | 3.663% (1st) |
| 2 | February 18, 2025 | 3.459% (1st) | 3.352% (1st) |
| 3 | February 24, 2025 | 4.533% (1st) | 4.560% (1st) |
| 4 | February 25, 2025 | 4.079% (1st) | 4.150% (1st) |
| 5 | March 3, 2025 | 4.927% (1st) | 4.905% (1st) |
| 6 | March 4, 2025 | 5.078% (1st) | 4.871% (1st) |
| 7 | March 10, 2025 | 4.456% (1st) | 4.620% (1st) |
| 8 | March 11, 2025 | 4.011% (1st) | 4.112% (1st) |
| 9 | March 17, 2025 | 3.727% (1st) | 3.801% (1st) |
| 10 | March 18, 2025 | 4.169% (1st) | 4.388% (1st) |
| 11 | March 24, 2025 | 4.347% (2nd) | 3.940% (2nd) |
| 12 | 4.132% (1st) | 3.407% (1st) | |
| Average | 4.204% | 4.147% | |
