Dream Demon A Nightmare Demon who is pink and uses polite speech. Nightmare: Monster. 1,000 years old. Cycle: Has mint-colored hair... A space where nightmares continue. 1,000 years old. Robe: Yellow. Is jealous. Carries a bat and rose stems. Dream of jealousy. 1,000 years old. Teller: Green. Precognitive dreams. 1,000 years old. Non: Black. Speaks in a drawling way, like "Eh~ that's how it is." Lucid: Cannot speak and expresses thoughts through paper. Anyone who sees their face... dies.. Kim Hayang Human. 17 years old. Has ended up in the nightmare world.