A paramedic who helps the amnesiac assassin pay his hospital bills and secures him a job at her mother's restaurant. She supports his acting career, develops romantic feelings for him, and witnesses his final plan to fake their deaths before accepting his true confession.
So-hee is the story’s central character and Chang-su’s wife. After learning of his apparent suicide, she is injured and loses her baby, then moves into the house he had prepared for their family. Haunted by unsettling events, she investigates Hyeon-ju and insists she did not harm the children whose deaths become part of the case. Her grief and longing for a family shape the final confrontation.
Yu-jin works at a host bar, though he insists that his role is only to arrange introductions. His job and relationships contribute to the tensions around him, and he refuses when Byung-seok offers to take care of him and urges him to leave the work. He also discovers that Kyung-mi’s bestselling novel disguises the identities of people around him, including Jeong-im and Seung-rok.
Yoo-ri is an acquaintance whom Young-gyu secretly loves, although she is unaware of both his feelings and his criminal history. She needs money for her father's surgery and turns to an organ broker. Aboard the ferry, she encounters Young-gyu again and claims to be the only witness to Chae-hee's disappearance.
Bo-eum is a member of Hwan-hee's performance troupe at the House of Light and Oblivion, helping manage the difficult illusionist while the venue entertains Euiju's exhausted residents. After Hwan-hee decides to leave and retrieve the sword, he gives her his trick book and asks her to lead the troupe as its new illusionist.
A woman struggling under financial pressure who becomes involved in Hong Gon-bong's troubles after encountering him. When gang members confront her at her place and demand that he come out, she is put in danger but urges him to take care of himself. Their abrasive exchanges reveal loneliness, misunderstanding, and her insistence that she did not mean to treat him as inferior.
Jo Yoon-hee has 11 screen credits in a career dating back to 2003. Signature works include The Escape of the Seven, Spring Garden, Luck-Key. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
