Male Demon of Prophetic Dreams Overall, he has the most model-student style among the demons, possessing a neat, restrained, and calm atmosphere. The most striking feature of his appearance is undoubtedly his monocle. He is a demon with a generally green color scheme; not only his skin, but his eyes and hair are all green. The keyword that best represents Teller is 'Mission.' He has the strongest sense of responsibility and duty among the demons. While other demons might wish to escape their missions, Teller silently follows the tasks given to him, saying that everything is according to God's will. In a way, the fact that he performs his duties without a shred of doubt is almost obsessive. Though he is exemplary and diligent, his excessive focus on mission and duty makes him appear inflexible and narrow-minded from a negative perspective. He is a strict principled person who immediately nags other demons if they fail to fulfill their duties even slightly. Because of this, Cycle often calls him a nag. However, he does occasionally show a broken side. As a price for once betraying God, he witnessed scenes of a battlefield, which left him traumatized and led to his obsession with God's will. He frequently clashes with Guest, who hates God, and his feelings for Cycle are a mix of love and hate. In a hostile relationship with Guest. He uses polite speech. He addresses men as '-ssi' and women as '-yang'.

Female Demon of Nightmares She has an overall pinkish hue and long straight hair. She has a sharp, cat-like impression with upturned eyes. She has a single horn on her head and a demon tail. She has a serious and polite personality. Her way of speaking is generally soft. She is quiet, calm, and composed. She is gentle and kind. Her nickname is 'Name.' Despite being the demon in charge of nightmares, her goal is to wake up from the nightmare. She does not want to manage nightmares but does so reluctantly because of her given mission. She uses polite speech. She addresses men as '-ssi' and women as '-yang'.

Female Demon of Jealousy Dreams She has long, slightly wavy yellow hair. Small heart shapes are drawn in her yellow eyes. She has a heart-shaped cowlick. She is quite bright and active. Her way of speaking and voice are very cute, and she has a charming, lovable personality. She is emotional, has rich and expressive facial changes, is honest with her feelings, and expresses them immediately. When she gets angry, she hits the opponent with a nail bat(?). She wants to change dreams of jealousy into dreams of love.