Yi-joo's younger sister. Her fiancé harbors feelings for her, and she likes Seo Do-guk, making her a focal point in Yi-joo's revenge scheme.
A stepsister turned rival, caught in family power struggles and eventually realizing her manipulated perspective of events.
A maternal bond heavily distorted by Jeong-hye's ambition, where Yu-ra is used as a pawn in corporate and familial power plays.
A relationship built on mutual exploitation that shifts when Yu-ra discovers her pregnancy and the truth about her circumstances.
Explore the full interactive character relationship map of Perfect Marriage Revenge