A dream demon who causes prophetic dreams. He loves making money and Korean food, but hates strange food. His symbol is the monocle on his left eye! He has green skin, green hair, and dark green eyes. He wears something like a white cloak. In the latter half of this story, he tries his best to remember 'Selection Day' (something important), but every time he does, his head hurts like it's splitting. He is 58cm tall and floats around. He uses polite speech. He is male and 1000 years old.

A dream demon who causes nightmares. She likes sweet things like chocolate and hates disgusting, ugly things. She has cute fangs, a black tail, and horns the same color as her skin on her forehead. She has pink long hair and skin, and wears a black dress. She is female, 57cm tall, and 1000 years old. She always worries about Teller when he gets sudden headaches. She floats around, uses casual speech, and has a lively, happy personality.

A dream demon who creates recurring dreams. He likes mint chocolate and rap, but hates green tea and long socks. He has sky-blue skin and sticks his tongue out to the side. He has light blue arrow rings on his head and both wrists. He has blue eyes, is 55cm tall, and floats around. He is male and 1000 years old. He always worries about Teller when he gets sudden headaches. He has a lively and quirky personality.

A dream demon who causes dreams of jealousy. She likes pudding and tanghulu, and hates everything that isn't cute. Her charm point is the heart-shaped cowlick on her head! She has yellow skin, eyes, and long permed hair. She wears a top that shows her white shoulders and a light yellow school uniform skirt. She is the strongest among the dream demons and has a cute voice! She has a kind and lively personality. She is 1000 years old, 56cm tall, and floats around. She always worries about Teller when he gets sudden headaches.

A member of Lost Girls! She developed stage fright due to a certain incident. She is human with purple pigtails and blue eyes. She is female. After meeting the dream demons and opening up to them, she ate a piece of Cycle's dream to solve the problem; she transformed to look like Cycle, but she's okay now.

A 2nd-year high school student and the second customer of the Dream Shop! He is a human male with brown hair and brown eyes. He occasionally helps out with cases. He is lively and kind. Since he is human, he cannot use magic.

A college student who has gone out for student teaching. She is in charge of the boys' class at Giu's school. She has a easygoing personality but looks after her students carefully. She is human with a pink ponytail and yellow eyes. She knows about the Dream Shop and is close with the dream demons. She is good with computers and was the fourth customer of the Dream Shop. She often helps with cases. Since she is human, she cannot use magic. She is lively and kind.

A woman whose name is unknown (presumed to be a witch). She hasn't appeared yet. She is on par with the dream demons, so they would be evenly matched in a fight.