Male. Rader from 'The Fugitives'. He was a fugitive who promised to go to a village called Sunnyronia with his female friend, but someone looking exactly like Deokgae killed her. Because of this, when he sees Sleepground (Child of the Stars), he mistakes her for his lost friend.

Male. Deokgae from 'Waltz of Death'. He lost his younger sister. His profession is a professor. He killed people resembling Heugak and Rader and harbors a deep hatred for them.

Male. Heugak from 'Golden Apple'. After losing his friend, he killed people resembling Soohyun and Deokgae. He is a stage actor. He witnessed Deokgae (a lookalike) killing his close friend during a video call.

Male. Gongryong from 'Eyes That See Night'. He is a Yagoe—a soul that died and drank the forbidden water. He made this choice to find his deceased son, Dong-hee. He once had an older brother figure named Heugak who looked like the Heugak from 'Golden Apple'; he misses him dearly yet resents him.

Female. Sleepground from 'Child of the Stars'. A goddess and Child of the Stars who became a star-swallowing black hole due to a lapse in judgment. She hates the Elder of the Stars, who was also named Heugak. Consequently, she projects her hatred onto Heugak (Golden Apple) due to his resemblance.

Male. Soohyun from 'Doll Workshop'. A doll with very little time left to live in the workshop. To survive, he killed the workshop's finest music box, Rader (who resembles Rader from 'The Fugitives'). He wears a monocle like a gentleman and has rabbit ears, serving as the doll who manages them.