Resourceful survivor focused on maintaining group morale and supplies.
One of Hong Dae-young and Jung Da-jung's fraternal twins and an 18-year-old student at Serim High School. She has become distant from her father and secretly works part-time at a convenience store without his permission. While living as Go Woo-young, Dae-young discovers this hidden part of her life and tries to become more present for her.
Go Dong-ho's daughter, whose plans to study abroad are part of the family's earlier financial conflict. After Jo Yeon-soo's apparent murder, she calls Go Dong-ho in tears and asks whether he killed her mother. His denial and promise to restore the family fail to regain her trust.
A young woman whose death and missing body are the focus of Hyun-soo's case review, Se-jin had struggled after arriving on the island and was especially close to Hyung-joon, who looked after her and bought her things. She hoped to meet Jung-mi again, and evidence suggests she fought to survive before her final disappearance.
Dong-yi is one of Kim Byeong-deok's granddaughters. She is left behind after her grandfather is kidnapped, and Hong Gil-dong takes her with him as he follows the trail to find Kim. Her connection to Kim places her directly within Hong's revenge-driven investigation and the danger surrounding the search.
A neighbor who witnessed the bullying, Ji-ho contacts Ho-chang through Gon-woo's phone. Ho-chang and Ji-yeol meet with her and bribe her to remain silent. During the trial, she accuses Han-gyeol of being the sole perpetrator, but Ho-chang challenges her account using a covert recording of their earlier conversation.
Roh Jeong-eui has 16 screen credits in a career dating back to 2010. Their work is anchored in the Concrete Utopia Collection universe with 1 titles. Signature works include Badland Hunters, Crushology 101, Our Beloved Summer. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q12590448), public domain (CC0).