Duyong

Appearing in s1, ep.28. A member of Jiwung's friend group. A student of Hyeonjin Middle School. He is 13.

When Sehoon fainted, he wsa worried that he was going to die, but he listened to Hyeoncheol. Then they talk about how this year is the last time they can get away from murder. Then he bickers with Miyang as they stole a car. After Hyeoncheol causes a car accident, he tries to run away, but Hwajin and Hanlim catch him. At school, he and his friends hang up a sign that says, “I am a car thief.”

Afterwards, he and Hyeoncheol came to Gimcheon Juvenile Prison first and sees the rest of their friends came. Before work starts, he is bullied by the room manager, who stabs him in the side with a ballpoint pen. In episode 34, he is released from prison.