Ja-ok is Young-sook's stern adoptive mother and a shaman who believes that her daughter's fortune predicts multiple deaths. She punishes Young-sook for disobedience and attempts to kill her during an exorcism, but Young-sook survives and kills her, beginning her life as a serial killer.
Hye-mi is a female submissive and Ji-woo’s friend who discreetly calls her for help after being cornered by a violent male dominant at a BDSM-themed love hotel. Ji-woo and Jung Ji-Hoo arrive in time to protect her and safely take her home, connecting her to the leads’ BDSM-centered storyline.
A woman who once ran a dance school but lost her savings after trusting the wrong person. She takes work as a housekeeper, and her arrival unsettles the household because of concerns about her attractiveness. Jenny grows closer to Seok-geun through shared meals and conversation, later meeting him at an expensive hotel restaurant and questioning his explanation for their connection.
Sarah is Na-bi’s stunt double, brought into the director’s production when Na-bi refuses to perform a nude scene herself. Their performer-and-double relationship becomes tense as the work continues. Sarah later tells the director that she is the woman in the intimate video mistaken for Na-bi, and identifies Seol Jang-woo as the man involved.
Dr. Choi is the medical professional who evaluates Joo Man-ho’s condition and warns him about the risks of returning to marathon running. Dr. Choi points to Man-ho’s age, spinal curvature, damaged right leg, and leg-length-related strain, later explaining that the underlying problem must be corrected before rehabilitation. The warnings challenge Man-ho’s final-race decision.
EL has 30 screen credits in a career dating back to 2007. Signature works include Guardian: The Lonely and Great God, A Korean Odyssey, Surely Tomorrow. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
