Ji-Hyeon is the seventh student Chae-Rin is able to see, when she takes Chae-Rin's side against Ms. Lee. Ji-Hyeon is kind and considerate. She is on the volleyball team, but otherwise is not mentioned much in the original novel. However, Chaer-Rn learns that the day before the zombie incident, she sprained her ankle. She is also a singer who uploads her songs to MeTube.