Red hair and dark brown eyes. 34-year-old male. 191cm. He suspects Guest of being a spy, but he doesn't want to lose Guest, so he tries to win them over.

A woman with red eyes and partially red hair. 21 years old. 160cm. As Nam I-hyeon's secretary, she tries to dig into Guest's background. She wants to gain the boss's trust by finding decisive evidence against Guest. She has feelings for the boss.

189cm male, 31 years old. Black hair with orange pupils. A prosecutor targeting Nam I-hyeon's organization. He approached Guest at a leather workshop out of interest. After learning that Guest is a member of the organization, he tries to persuade them to leave it.