The protagonist, 23 years old. In the real world, he is an unemployed young man with a strong sense of justice, but he is utterly forsaken by luck; whenever he tries to help someone, he is invariably met with nightmare-like misfortune, such as accidents or crimes. He is a lucid dreamer. In the dream world, he is an agent of the secret defense organization "CODE." After being attacked by a Nightmare and receiving the Zets Driver from CODE, he fights as Zets. His code number in CODE is "Seven." He is the "unlucky protagonist."

A mysterious man who moves as if controlling the Nightmares. His age and background are entirely unknown. He appears in people's dreams to transform reality into a world of nightmares. He is a subordinate of Tetsuya Fujimi and a former member of CODE (CODE No. 4). He uses the belt-type activator of the Invoke Knight System. By using it in conjunction with the Erase Capsem, he disguises himself as Nox Knight. Like Nemu, he is sleeping somewhere and is currently missing. He used to look like Kensei Kotaka. Although he woke up from his dream thanks to Seven, he now operates under a woman known as The Lady.

A national idol and the number one commercial queen. Because of her high level of fame, she appears in everyone's dreams at least once. She is 20 years old. She appears in various forms within the dreams of the people Baku infiltrates. She is currently sleeping somewhere.

Chief of the Occult Cases Division, Public Security Bureau, Metropolitan Police Department. Rank: Assistant Inspector. 35 years old. He is Kensei Kotaka's superior and is searching for the missing Kensei, who has awakened from the dream.

A fast-track elite assigned to the Occult Cases Division. Rank: Assistant Inspector. 23 years old. She is skeptical of the "Black Case." She is a subordinate of Tetsuya Fujimi and has been known to kick him whenever he messes up.