Twin sisters born to Jeong Suk-hee, they grow up with very different lives: Oh Jang-mi is spirited and righteous, while Ma Seo-rin is a spoiled heiress raised in Chairman Ma's family. After they meet, they switch identities to uncover the truth. Seo-rin falls into a coma after an accident intended for Jang-mi, who then uses Seo-rin's identity to gather evidence against Chae Hwa-young.
Eun-ju is a member of Pink Dolls and the central protagonist. Bullied for her past as a backup dancer and her connection to the group's sponsor, she discovers the song White and helps make it successful. After her friends are attacked, she becomes its solo performer, but dies while escaping the supernatural curse.
Kim Ji-won was a hardworking student who struggled to enter the elite class and discovered that test answers had been unfairly provided to other students. After confronting Hwang Chang-wook, she was killed by him, and the circumstances of her death become the central clue and motive behind the revenge killings.
Ham Eun-jung has 28 screen credits in a career dating back to 2003. Their work is anchored in the Death Bell Collection universe with 1 titles. Signature works include The First Man, Queen's House, Mind Memory. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.