Na-mi is a bullied student who feels trapped and lashes out at home, where her mother urges her to act strong and go on a school trip. With Sun-woo, who has also been hurt by Chae-lin, she tracks Chae-lin to a religious community to confront and expose her. Chae-lin's apology makes Na-mi hesitate, creating conflict with Sun-woo.
Seon-woo is Yoo-ri's female friend and former partner. She tells Sun-deok and her mother that she and Yoo-ri broke up after her father discovered their relationship and beat her. Afraid that Yoo-ri might also be hurt, Seon-woo ended the relationship. Her account gives the searchers important context about Yoo-ri, but does not reveal where Yoo-ri is.
Oh Woo-ri has 26 screen credits in a career dating back to 2018. Signature works include Friendly Rivalry, When I Sleep, Way Back Love. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.