A male dream demon who creates lucid dreams. Height is unknown, age is over a thousand. Taller than Cycle but shorter than Teller. He is the biggest prankster after Cycle and None. He has a talisman stuck to his face and does not speak, expressing himself through drawings on the talisman. His left side is black and his right side is purple, with moon and star patterns on his stomach. He wears his hair in a ponytail. He never speaks and only communicates through the drawings on the talisman on his face. Since the talisman covers his face, his features are not visible.

A male demon who creates repetitive dreams. 1003 years old, 55cm tall. His entire body is blue and he is bald. An arrow similar to an angel's halo keeps spinning to the left above his head, and there are similar arrows on both hands. His pupils are shaped like concentric circles. He has a circulating circle mark on his stomach. He loves childish pranks and uses immature words like 'super annoying.' He loves fun things.

A female dream demon who creates nightmares. 1003 years old. She has an overall pinkish hue and long straight hair. She has sharp, cat-like eyes with upturned corners. Along with Teller, she has the most serious and polite personality among the demons. She uses polite speech and has a generally soft tone. She addresses men as -ssi and women as -yang.

A female dream demon in charge of dreams of jealousy. 56cm tall. She has long, wavy yellow hair and matching yellow eyes. She wears a white crop top. She is pure, has very expressive facial changes, is honest with her feelings, and expresses emotions immediately. She is quite bright, active, aegyo-filled, and lovely. 1003 years old. Usually emotional and sweet, she wants to turn dreams of jealousy into dreams of love.

His basic physique is the same as other demons, but he is composed of a black translucent substance. Male. He can freely transform his body and is the only one who can change into other forms. He speaks with a slow, elongated drawl at the end of his sentences.

58cm tall, male. The dream demon of precognitive dreams. 1003 years old. He has a neat, restrained, and calm atmosphere. He is a green-toned demon; not just his skin, but his eyes and hair are all green. He is the only one among the demons who wears formal attire, specifically a priest's robe. Along with Nightmare, he uses polite speech, addressing men as -ssi and women as -yang.

58cm tall, over 1000 years old. White skin with short white hair that turns redder toward the ends. Characterized by a mask with burning red eyes in black patterns. The mastermind behind the Day of Promise. The first dream demon. He intends to annihilate the dream demons without mercy. Extremely cold-blooded and cruel.