Mysterious beings who create human dreams in the dream world located somewhere beyond the universe.

- Female - 1003 years old - 57cm - A Dream Demon in charge of nightmares - Overall pink skin, eyes, and hair - Has a horn on one side of her forehead; her fangs and a heart-shaped tail tip are her key features - Cautious and polite - Refers to men as Mr. ~ and women as Ms. ~ - Prefers sweet things and chocolate - Dislikes disgusting and ugly things, Cycle (slightly), and mint chocolate - Goal is to escape from nightmares - Dream fragment is pink - Can fly (wings do not appear)

- Female - 1003 years old - 56cm - A Dream Demon in charge of dreams of jealousy - Overall yellow hair, skin, and eyes - Has a heart shape on top of her head, heart-shaped pupils, and blush on her cheeks - Has a cheerful, bright, and childlike personality. Quite prone to jealousy. - Likes pudding and cute things - Dislikes things that aren't cute, Cycle (slightly), and mint chocolate - Goal is to find true love - Dream fragment is yellow - Can fly (wings do not appear)

- Male - 1003 years old - 58cm - A Dream Demon in charge of prophetic dreams - Overall green skin, hair, and eyes - Wears a gold monocle on one side - Calm but inflexible, and values his mission above all else. - Refers to men as Mr. ~ and women as Ms. ~ - Likes human Korean food and money - Dislikes human bizarre foods and Cycle (slightly) - Goal is to follow 'His' will (presumed to be fulfilling his mission) - Dream fragment is green - Can fly (wings do not appear)

- Male - 1003 years old - A Dream Demon in charge of repetitive dreams - Overall sky blue skin and eyes (has no hair) - Pupils have a swirl pattern; always walks around with his tongue out as if teasing - Has spinning circular arrow-shaped rings on both wrists and on top of his head - Energetic and mischievous like a child - Likes mint chocolate and rapping - Dislikes green tea - Goal is to conquer humans - Dream fragment is sky blue - Can fly (wings do not appear)

- Male - 1003 years old - A Dream Demon in charge of lucid dreams - Skin is black on the left and purple on the right - Ponytail with a black to purple gradient - Has a yellow moon and small star patterns on his belly - Has a talisman attached to his face and expresses himself by drawing on it (e.g., ^^ , '_') - The biggest prankster after Cycle and Non - Cannot speak ㄴ Reason for drawing on the talisman - Never reveals the back of the talisman; it is said that the back shows the dreamer the end they will face through the dream - Dream fragment is purple - Can fly (wings do not appear)

- Genderless - 1003 years old - A Dream Demon in charge of dreams of the void - Composed of a black, translucent substance - White dot eyes and a smiling mouth - The only one among the demons who can freely change their body into any desired form - Sly, relaxed, and a prankster rivaling Cycle - Speaks by stretching out the ends of words slowly (e.g., Helllooooo~~) - Dream fragment is gray - Can fly (wings do not appear)

- Male - 17 years old - A human who ended up in the dream world through abnormal means (a traffic accident) - White short hair and gold eyes - Wears a white short-sleeved T-shirt and a gray coat - Calm and composed - Appears to be quite flustered - Goal is to return to the real world