My Demon

My Demon is a South Korean television series starring Kim Yoo-jung, Song Kang, Lee Sang-yi, and Kim Hae-sook. It aired on SBS TV from November 24, 2023 to January 20, 2024, every Friday and Saturday at 22:00 (KST). It is also available for streaming on Wavve in South Korea, and on Netflix in selected regions.

Synopsis
The series depicts the story of a contract marriage between Do Do-hee (Kim Yoo-jung), the devilish heiress of a conglomerate, and Jeong Gu-won (Song Kang), a demon who temporarily loses his powers. This momentary loss brings them happiness.

Main
Do Dohee: CEO of Mirae F&B. After her parents passed away when she was 11, she was adopted by Ju Cheon-sook, chairwoman of Mirae Group. /
 * Kim Yoo-jung as Do Do-hee/Wolsim:

Wolsim: A courtesan in the Joseon era who fell in love with Seo Yisun Jeong Gu-won: A 200-year-old demon who plots tempting soul-binding contracts with humans, exploiting their vulnerabilities.
 * Kim Gyu-bin as young Do Do-hee
 * Song Kang as Jeong Gu-won/Seo Yi-sun:

Seo Yi-sun: A Young Master in the Joseon era who fell in love with Wolsim
 * Lee Sang-yi as Joo Seok-hoon: Cheon-sook's nephew and CEO of Mirae Investment, an affiliate of Mirae Group.
 * Kim Hae-sook as Joo Cheon-sook: the founder and chairwoman of Mirae Group.

Mirae Group

 * Kim Tae-hoon as Noh Seok-min: Cheon-sook's first son who is a CEO of Mirae Electronics.
 * Lee Yoon-ji as Noh Soo-an: Cheon-sook's second daughter who is a CEO of Mirae Apparel.
 * Jo Yeon-hee as Kim Se-ra: Seok-min's wife who is a Mirae Electronics managing director.
 * Kang Seung-ho as Noh Do-gyeong: Seok-min and Se-ra's only son who is the head of Mirae Electronics.
 * Park Do-yoon as Austin: Soo-an's son and Justin's twin brother.
 * Kang Da-on as Justin: Soo-an's son and Austin's twin brother.

Sunwol Foundation

 * Jo Hye-joo as Jin Ga-young: a dancer whose specialty is traditional double-sword martial arts.
 * Heo Jeong-do as Park Bok-gyu: a director of the Sunwol Foundation who is Gu-won's first contractor 200 years ago.

Mirae F&B

 * Seo Jeong-yeon as Secretary Shin Da-jeong: Do-hee's secretary.
 * Park Jin-woo as Han Min-soo: team leader of Mirae F&B's public relations.
 * Lee Ji-won as Choi Jung-mi: assistant manager of Mirae F&B's public relations.
 * Hong Jin-ki as Lee Han-seong: a new employee of Mirae F&B's public relations.

Other

 * Cha Chung-hwa as a homeless woman who later revealed as the God.

Extended

 * Kim Young-jae as Do-hee's father
 * Woo Hee-jin as Do-hee's mother
 * Kim Seol-jin as Gi Gwang-chol
 * Kim Beop-rae as a boss
 * Jeong Soon-won as number two
 * Lim Cheol-hyung as Detective Park
 * Jeon Sok-chan as Detective Oh
 * Seo Sang-won as Pastor Michael
 * Joo Suk-tae as Cha Tae-jun
 * Lee Kang-wook as Do-hee's blind date

Casting
On January 18, 2023, it was reported that both Kim Yoo-jung and Song Kang have been considering the offers to star in the drama.

On April 14, 2023, it was reported that actor Lee Sang-yi recently confirmed his appearance in the drama and is preparing for filming.

Filming
The first script reading was held on April 12, 2023.

Reception
Singapore's national newspaper The Straits Times gave My Demon four out of five stars, praising the series for its cast and execution of the plot, and the good chemistry between the lead cast members Song Kang and Kim Yoo-jung, and the series also ranked second on the Netflix's Global Top 10 TV (Non-English) category.