My Demon is a 2023–2024 South Korean fantasy romantic comedy series that aired on SBS TV from November 24, 2023, to January 20, 2024. The drama stars Kim Yoo-jung as Do Do-hee, a sharp-witted chaebol heiress, and Song Kang as Jeong Gu-won, a centuries-old demon who loses his powers.
Their paths cross when Gu-won becomes powerless after an encounter with Do-hee, leading them to enter a contract marriage. As they navigate their unusual arrangement, their relationship evolves, blending elements of romance, comedy, and fantasy. The series was well-received for its unique storyline and the chemistry between the leads. It is available for streaming on Netflix in selected regions.
Release Date and Broadcast Information
“My Demon” officially premiered on November 24, 2023, airing every Friday and Saturday at 10:00 PM KST on SBS TV in South Korea. The series ran for a total of 16 episodes, concluding on January 20, 2024. It was produced by Studio S and Binge Works and quickly gained traction both domestically and internationally. Viewers outside South Korea could stream the series on major global platforms, with English subtitles and regional language options, helping the show reach a broad, diverse audience. Its release schedule, pacing, and cliffhanger episode endings contributed to steady weekly viewership growth.
Main Cast and Characters
The drama features a robust and charming cast led by two major Hallyu stars:
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Kim Jung plays Do Do-hee, the charismatic yet emotionally guarded heiress of the Mirae Group. Due to her traumatic past and corporate pressures, she’s intelligent, independent, and cynical. Kim also portrays Wolsim, a courtesan from the Joseon era, with a tragic love story.
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Song Kang stars as Jeong Gu-won, a 200-year-old demon who has lived feeding on human souls through contracts. After an unexpected accident, he loses his powers and ends up bound to Do-hee in a magical contract. He also plays Seo Yi-sun, a nobleman from the Joseon era who falls in love with Wolsim.
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Lee Sang-yi portrays Joo Seok-hoon, the sharp and ambitious CEO of Mirae Investments and the nephew of the Mirae Group chairwoman. He has his feelings for Do Do-hee and gets caught between personal and professional tensions.
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Kim Hae-sook plays Chairwoman Joo Cheon-sook, the powerful and warm-hearted leader of the Mirae Group, who acts as a guardian figure to Do-hee.
Plot and Storyline
“My Demon” follows the story of Jeong Gu-won, a demon who, for centuries, has been making soul-binding deals with desperate humans. However, his world turns upside down when he loses his demonic powers during an unexpected accident—only to find they’ve transferred to Do Do-hee, a mortal woman. Forced into a mystical contract marriage, Gu-won must stay close to Do-hee to survive, regain his powers, and avoid vanishing from existence.
As the two navigate their contractual marriage, sparks fly. What begins as a reluctant partnership evolves into an emotional and passionate romance filled with humor, conflict, and supernatural tension. Along the way, they unravel life connections, ancient curses, and the real reason their fates have intertwined. The story weaves between the modern and Joseon era, revealing a tragic history that may be repeating itself.
Themes and Genre
“My Demon” is a unique blend of fantasy, romance, comedy, and historical drama. It plays with ideas of fate, reincarnation, time-transcending love, and the conflict between good and evil. The drama also explores themes such as:
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Power and corruption, especially in the business and supernatural realms
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Healing through love, as two emotionally guarded characters begin to open up
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The weight of legacy and destiny, with family secrets and ancient ties resurfacing
Production Quality and Direction
Director Kim Jang-han helmed the drama, with Choi Ah-il serving as the screenwriter. The creative team previously worked on successful dramas and brought a polished and cinematic feel to “My Demon.” The series stands out visually, with elegant costume design, especially during Joseon-era flashbacks, and vivid color grading that enhances the mystical elements.
The transitions between timelines are handled smoothly, and the modern-day scenes benefit from stylish, urban cinematography. The use of CGI to depict magical contracts, energy exchanges, and demon-related powers is tasteful and practical without being overdone.
Reception and Impact
“My Demon” was well-received by audiences for its fresh concept, compelling chemistry between the leads, and well-balanced storytelling. Both Kim Yoo-Jung and Song Kang were praised for their performances—Kim for their emotional depth and commanding screen presence, and Song for his transformation from a cold, cocky demon to a vulnerable and affectionate partner.
Critics noted the drama’s successful fusion of K-drama tropes with supernatural storytelling, calling it one of the standout fantasy romances of the year. Internationally, the series performed well on streaming platforms, regularly appearing in the Top 10 lists in multiple countries. It especially gained popularity in the Philippines, Southeast Asia, and Latin America.
Promotional Highlights
The official trailer for “My Demon” set the tone with its mix of romance, magic, and mystery. It showcased dramatic visuals of demonic contracts, fiery kisses, and dark secrets, all while hinting at a layered love story. The trailer focused heavily on the unique dynamic between Do Do-hee and Jeong Gu-won, teasing both romantic comedy and darker, tragic elements.
Promotional campaigns featured striking posters, behind-the-scenes content, and interviews with the cast, which built anticipation prior to the show’s release. Kim Yoo-Jung and Song Kang appeared in multiple promotional events and interviews, charming fans with their real-life chemistry and excitement for their roles.
Trailer
Frequently Asked Questions
When did My Demon air?
From November 24, 2023, to January 20, 2024.
Where can I watch it?
It is on SBS TV in South Korea and Netflix in selected regions.
Who are the prominent cast members?
Kim Yoo-Jung is the director of Do Do-hee, and Song Kang is the director of Jeong Gu-won.
What is the genre of the series?
Fantasy romantic comedy.
How many episodes are there?
16 episodes.
Who directed the series?
Kim Jang-han and Kwon Da-som.
What is the central plot?
A demon loses his powers after meeting a chaebol heiress, leading to a contract marriage.
Is the series based on a novel?
No, it is an original work.
What awards did the series receive?
It won several awards at the 2023 SBS Drama Awards, including Best Couple for the leads.
What is the runtime of each episode?
Approximately 66 minutes.
Conclusion
My Demon offers a refreshing take on the fantasy romance genre, blending supernatural elements with heartfelt storytelling. The compelling performances by Kim Yoo-jung and Song Kang bring depth to their characters’ evolving relationship. The series stands out for its unique premise, engaging plot, and the chemistry between the leads. With its mix of humor, romance, and fantasy, My Demon provides an entertaining viewing experience for fans of K-dramas.