‘My Demon’, a fantasy drama created by Choi A-il, Kim Jang-han and Kwon Da-som, stars Kim Yoo-jung, Song Kang, Lee Sang-yi, and Kim Hae-sook. The narrative revolves around a powerful chaebol heiress, Do Do Hee, and Jeong Gu Won, a centuries-old demon. Their fate takes an unexpected turn when Jeon Gu Woo loses his powers after his demonic tattoo gets transferred to Do Do Hee. In a desperate bid for survival, he proposes marriage to her, setting in motion a web of plot twists and emotions.