A rookie prosecutor who shares the precognitive dream ability. He uses visions of crimes to guide his investigations and works alongside his partners to thwart disasters.
Originally Ki Ha-myung, he survives a fatal factory explosion and is rescued by Choi Gong-pil, who mistakes him for his deceased son. Adopted as Dal-po, he hides his genius intellect to maintain the deception while working as a taxi driver. He later joins YGN as a reporter to find his estranged brother and clear his father's name, ultimately teaming up with In-ha to expose media corruption.
Official or lab director overseeing operations and subject management.
A high school senior with a supernatural ability to read minds by making eye contact, gained after witnessing his father's murder ten years ago. He has been searching for Jang Hye-sung since she testified in his father's case as a teenager.
Nae-kyung's nephew, Jin-hyeong helps receive visitors and later serves in a minor official role, hoping to improve people's lives through his work. After reporting on the yellow-sign system, he is badly injured and loses sight in one eye. Nae-kyung urges him to leave for Hanyang and choose his own future.
Joong-gil is the school's legendary Casanova and a notorious playboy who has tried to woo nearly every girl except Young-sook. His effortless charm makes girls' hearts melt, but he immediately falls for the beautiful new student So-hee, intensifying Young-sook's jealousy and Gwang-sik's suspicion.
A nationally recognized swimmer who reaches first place after Won-il leaves the sport, Woo-sang is disqualified from national tryouts after getting into trouble and must rebuild his career. He resents Won-il's return, competes with him in training and love, and gradually enters a broader struggle involving friendship and maturity.
Choi Kyung-sub is a young North Korean player whose hotheaded behavior intensifies the quarrels and fights between the Northern and Southern members in Chiba. His confrontational presence reflects the team's early distrust, while his connection with Choi Yeon-jung adds a personal link across the divided squad.
Even eyes is the man Young-il once trusted. He died when a bus struck him on Christmas Eve, in an incident publicly attributed to black ice. Young-il believes the crash was planned, and a woman who had worked with the man later says the Sweepers killed him.
Weapon systems officer aboard Major Park Dae-suh's F-15K. He is ejected to safety before Park's fatal crash, later captured by a rogue North Korean battalion, and successfully rescued by South Korean pararescue troops during a covert mission.
Hyun-Wook is a student at the girls’ school who is the subject of gossip among the students, alongside talk about the school’s seniors. The plot summary does not explain the rumors, establish his relationship to Lan, or describe any further action by him.
A younger man Lee Sin-ae meets in the hospital, where he repairs a broken toy. His conversations and kindness grow into a close, complicated bond with her. Though frightened by her illness, he says he wants to live with her after she leaves the hospital and stay beside her until the end.
Lee Jong-suk has 21 screen credits in a career dating back to 2010. Their work spans 2 cinematic universes — most prominently The Witch Korean Series with 1 titles. Signature works include While You Were Sleeping, Big Mouth, W. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
Related entry on Wikidata (Q486582), public domain (CC0).
