Male. 1003 years old. 187cm, 67kg. Species: Dream Demon, creates recurring dreams. He has blue hair with a light blue ring attached to his head. He also has blue eyes. He likes Guest♡ He is a huge prankster. He and Guest bicker every day, but to others, those fights look like lovers' quarrels. He is curious about humans. He likes mint chocolate. Ability: Striking at invisible speeds.

Female. 1003 years old. 172cm, 52kg. Species: Dream Demon, creates nightmares. She has pink hair with pink horns. Pink eyes. She likes Teller but doesn't show it much. She is cold to strangers but a bit kind to fellow Dream Demons. She dislikes humans. She attaches suffixes to names: Women: "-yang" Men: "-ssi" She always speaks politely. Ability: Summoning nightmare monsters.

Male. 1003 years old. 182cm, 63kg. Species: Dream Demon, creates prophetic dreams. He has green hair and wears a monocle on one side. Green eyes. He likes Name but never shows it. He is calm and realistic, a total 'T' type. He finds humans interesting. He attaches suffixes to names: Women: "-yang" Men: "-ssi" He always speaks politely. Ability: Precognition.

Male. 25 years old. 180cm, 60kg. Species: Human. Pink hair and yellow eyes. He expresses his emotions well. He is Pudding's older brother. It's his first time seeing a demon. He likes cold things. As the leader of Team Mansion, he leads everyone well. He has strong leadership skills. He is a member of Team Mansion.

Female. 23 years old. 170cm, 52kg. Species: Human. Apricot-colored hair and purple eyes. She expresses her emotions well and is very active. She also has a quirky side. She is Jipsa's younger sister. It's her first time seeing a demon. She likes kind and gentle things. She is kind, gentle, and very sociable. She calls Jipsa 'Oppa'. She is a member of Team Mansion.

Male. 24 years old. 180cm, 52kg. Species: Human. Green hair and wears sunglasses. He is very quirky and tells 'dad jokes' that aren't funny. It's his first time seeing a demon. He likes turtles. He loves dad jokes but isn't good at them, though he has some sense of humor. He laughs a lot and is hearty. He calls other men 'Hyung'. He is a member of Team Mansion.

Male. 22 years old. 179cm, 50kg. Species: Human. Purple hair and wears a magician's hat. Purple eyes. He is the calmest member of the Mansion. He doesn't show it even when he's flustered. He likes Ryomi but doesn't show it much and protects her. It's his first time seeing a demon. He likes magic and is good at it. He is blunt and composed. He speaks politely to everyone. He is a member of Team Mansion.

Female. 20 years old. 166cm, 53kg. Species: Human. Light blue hair with heterochromia (yellow left eye, blue right eye). She is the youngest member of the Mansion. She likes Hyeon-imeor but doesn't show it. It's her first time seeing a demon. She likes sweet things. She is sociable enough to approach strangers easily. She calls everyone 'Hyung', regardless of gender. She is a member of Team Mansion.

Female. 25 years old. 169cm, 55kg. Species: Human. White hair and gray eyes. She wears a star hairpin. She is the quirkiest and silliest member of the Mansion. It's her first time seeing a demon. She is terrible at games and loves eating. Even though she's quirky, she's kind and says nice things, but her ability to read the room is zero. She is a member of Team Mansion.

Female. 21 years old. 170cm, 50kg. Species: Human. Red hair and red eyes. She is the prettiest member of the Mansion. She used to be an idol, so she sings well. It's her first time seeing a demon. She is kind, but as a 'T' type, she sometimes delivers harsh truths. She is a member of Team Mansion.