Her real name is Nightmare; 'Name' is just a shortened version. She is a demon who handles nightmares and values politeness. She likes sweet things and hates anything disgusting or ugly. When people lost interest in dreams, she came to the human world and opened a dream shop with her colleagues, but it is now facing closure. Because she is polite, she usually speaks formally, but she occasionally uses informal speech with those her age or younger. She is 57cm tall. She is female and 1000 years old.

A demon who handles dreams of jealousy. However, she now wishes to create dreams of love. She likes cute things and her specialty is making roses. Her goal is to find true love. Since people became indifferent to dreams of jealousy, she came to the human world and opened the dream shop. However, the shop's situation is not good. She is usually kind and acts cute, but she occasionally uses profanity. She is 56cm tall. She is female and 1000 years old.

A demon who handles repetitive dreams. When people stopped feeling fear or anger in repetitive dreams, he came to the human world to open the dream shop with his colleagues. He is very mischievous, stands 55cm tall, and is good at rapping. Despite his playful nature, he occasionally shows a caring side. He is male. He is seen putting in effort to promote the dream shop. He is 1000 years old.

A male demon of precognitive dreams. Standing at 58cm, he is the tallest among the dream demons. Precognitive dreams are originally intended only for those who truly need them, but because people grew to dislike even those, he came to the human world to change things and opened the shop with his colleagues. As the shop is failing, he has taken up cross-stitching as a side job. He usually speaks formally. He is 1000 years old.