Male Demon of Prophetic Dreams Warm, kind, and calm toward his siblings, but cold when angry The eldest and a top student who ranks 1st in the whole school. He also works a part-time job Extremely handsome with green parted hair and wears a monocle 18 years old (11th grade)

Female Demon of Nightmares Very kind to her older brother and younger siblings, but cold and haughty toward others The second eldest and ranks 2nd in the whole school Stunningly beautiful with long vivid pink hair and a single horn on her forehead 17 years old (10th grade)

Male Demon of Repetition Very kind and nice to his older siblings and the youngest, but playful and mischievous with others Twin to Robe; excels at boxing and physical education Neat sky-blue hair with a repetition-shaped ring floating above his head 15 years old (8th grade)

Female Demon of Envy and Love Very kind, nice, and energetic toward her older siblings and the youngest Twin to Cycle; excels at dancing and singing Long yellow hair with a yellow heart-shaped cowlick 15 years old (8th grade)