Ja-yoon is a character from the South Korean film The Witch: Part 1. The Subversion. She is portrayed as a young girl with extraordinary abilities, which she discovers as she navigates her life. The film explores her journey of self-discovery and the challenges she faces due to her unique powers. In the story, Ja-yoon's past is shrouded in mystery, leading her to uncover dark secrets about her origins. Her character is central to the film's themes of identity, power, and the struggle between good and evil, making her a compelling figure in the narrative.