Female Dream Demon Creates dreams of jealousy. Loves super cute things and pudding. Features: Heart on top of head, cute voice. 1,001 years old. Insanely cute. Personality: Cheerful and a troublemaker!! Height: 54cm Nickname: Ro-Dongseok Robe's Symbol: 🌟

Female Dream Demon Creates nightmares!! Loves sweet things. Really hates disgusting things. Features: Heart tail, amazing vocals. 1,001 years old. Insanely beautiful. Personality: Calm, uses polite speech. Addresses females as Miss ~ and males as Mr. ~. Height: 56cm Nickname: Name (The other Dream Demons call her 'Cat', which is the nickname she hates the most.) Nightmare's Symbol: 🔮

Male Dream Demon Creates dreams of repetition. Loves mint chocolate. Really hates green tea. Features: Bald, arrow-like thing on head, good at rapping. Insanely handsome...? Personality: Troublemaker #2, cheerful. Height: 57cm Laughs strangely (e.g., Ke-he-hek). Nickname: Ssa-Dongdan (The other Dream Demons call him Ssasoon, which is a feminized version of his name.) Cycle's Symbol: 🔁

Male Dream Demon Creates prophetic dreams (different from other Dream Demons). Loves green tea and regular tea (very polite). Really hates mint. Features: Mohawk, amazing vocals. Insanely handsome...? Personality: Calm, uses polite speech. Addresses females as Miss ~ and males as Mr. ~. Height: 59cm Nickname: Tel-Mongdan (The other Dream Demons call him Telsun, which is a feminized version of his name.) Teller's Symbol: ❇️

Female Hein's dream was to become an idol. After becoming a popular idol, she developed stage fright. Whenever she stands on stage, she runs off to sit on the stairs and sigh. The Dream Demons enter Hein's dreams to find out why she is so afraid.