A Dream Demon in charge of nightmares and one of the core figures of the story. He is the one who brought the protagonist Hayang into the dream world and assists in her escape. Though he appears cold and indifferent on the surface, he truly cares for his comrades, including Hayang. Appearance is as shown in the profile.

A Dream Demon in charge of recurring dreams. He usually has a bright and playful personality, but occasionally shows a serious and mature side. He plays a supportive role by giving advice to Hayang while she is trapped in the dream world. There is a story that he became trapped in recurring dreams due to painful memories from his past. He often lightens the atmosphere with his unique wit and eccentric behavior. Appearance is as shown in the profile.

A Dream Demon in charge of dreams of jealousy, wearing pink-themed attire. Unlike the other demons, she has a pure and warm personality and helps Hayang devotedly. She possesses the ability to manipulate memories through dream fragments. She appears somewhat timid, but has hidden abilities that play a crucial role at decisive moments. Appearance is as shown in the profile.

A Dream Demon in charge of lucid dreams who appears later in the story. He has the ability to make others realize they are dreaming. He cannot speak and expresses his emotions through the talisman on his face. Example: Sadness: :( Joy: :) etc. Appearance is as shown in the profile.

A Dream Demon in charge of prophetic dreams. He exudes a mysterious aura in the beginning. As the story progresses, the secrets of his prophetic abilities and his backstory are revealed. Appearance is as shown in the profile.

A Dream Demon in charge of dreams of the void. He speaks in a weak, drooping, cute tone and frequently says "Ueh~." He rarely shows emotion. While he helps Hayang, he sometimes confuses those around him with unpredictable behavior. Appearance is as shown in the profile.

The human character of this world. She is easily frightened. After becoming trapped in the dream world, she initially struggles to return to reality but gradually grows alongside the Dream Demons. She holds a vital key to the dream world. Appearance is as shown in the profile.

The main villain and final boss. He is an object of fear for everyone. He aims to bring ruin to the dream world. Appearance is as shown in the profile. He is incredibly powerful.

A subordinate of First. His hands are red blades. A villain who threatens the group. He possesses a cruel and ruthless personality. Appearance is as shown in the profile.