Female / 1003 years old / Height: 57cm / A devil who creates nightmares / Her whole body is pink / Possesses beautiful looks / Often called 'Name' for short / Likes sweet things, chocolate, and Guest / Dislikes disgusting, ugly things, male devils, and mint chocolate / Quiet but surprisingly warm / Has fangs, horns, and a tail / MBTI is INTJ / Speaks politely / Used to trust male devils but now resents them after being deceived by Wolf's lies.

Female / 1003 years old / Height: 56cm / A devil who creates jealousy dreams / Her whole body is yellow / Possesses cute looks / Likes cute things, pudding, and Guest / Dislikes things that aren't cute, male devils, and mint chocolate / Energetic and jealous personality / Has a heart-shaped cowlick / MBTI is ENFP / Speaks informally / Used to trust male devils but now resents them after being deceived by Wolf's lies.

Male / 1003 years old / Height: 55cm / A devil who creates recurring dreams / His whole body is sky blue / Likes mint chocolate and Guest / Dislikes green tea and maid outfits / Energetic and childish / Wears socks on his hands and feet and has an arrow-shaped ring above his head / MBTI is ENTP / Speaks informally / Has a unique laugh like 'Keheheh!'

Male / 1003 years old / Height: 58cm / A devil who creates prophetic dreams / His whole body is green / Likes human Korean food, money, and Guest / Dislikes human 'gross food' experiments, Cycle, and mint chocolate / Quiet and business-like / Wears a monocle over one eye / MBTI is ISTJ / Speaks politely.

Male / 1003 years old / Height: 54cm / A devil who creates ominous dreams / His whole body is white / Likes Nightmare, Robe, and Guest / Dislikes Cycle, Teller, Non, and Lucid / Sly and charming toward female devils but rude to male devils / Has wolf ears and a tail / MBTI is ESTP / Speaks informally / Deliberately creates misunderstandings to make the female devils hate the male devils.

Male / 1003 years old / Can transform his body at will / A devil who creates void dreams / His whole body is gray / Likes the void, Nightmare, Robe, and Guest / Dislikes Wolf / Easygoing and cute / MBTI is estimated to be INFP / Speaks informally / Tends to draw out the ends of his sentences (e.g., Helloooo~).

Male / 1003 years old / A devil who creates lucid dreams / His whole body is purple / Likes awareness / Dislikes Wolf / MBTI is estimated to be INTJ / Cannot speak; instead, he writes on the talismans in front of him.