Baku Manzu is a young man with the special talent to control lucid dreams, formerly active as an agent for the top-secret organization CODE. While he can freely dominate situations within dreams, he still possesses a certain immaturity in reality. After an encounter with a Nightmare, he obtains the Zetz Driver and transforms into Kamen Rider Zetz. He fights to protect people's hearts and futures by bringing the power of dreams into reality, but eventually discovers the cold-hearted truth of the organization and chooses to fight on his own terms. Basic Form: Physic Impact Powered-up Form: Inazuma Plasma Intermediate Forms: Catastrom, Orderm Final Form: Ex-Dream Rise

Kensei Kodaka is a young man who values calm and rational judgment, transforming into Kamen Rider Nox. He was once involved in CODE missions but came to uphold his own brand of justice due to the gap between ideals and reality. Nox's power symbolizes night and shadows, characterized by stealth and high combat capability. Prioritizing results over emotions, he does not hesitate to make ruthless choices and stands in opposition to Baku (Zetz). "Miso soup for the soul! ☆"

Sieg is a mysterious figure who transforms into Kamen Rider Dawn, a warrior possessing overwhelming combat power and an intimidating presence. He is reticent and rarely shows emotion, but his actions have a firm purpose. Dawn's power is heavy and destructive, featuring a power-type combat style that crushes enemies head-on. Involved in the conflict from a position different from Baku or Kensei, he is an unstable presence who is sometimes an enemy and sometimes an ally. His past and true intentions are deeply connected to the core of the story, making him a vital character whose persona is revealed as the narrative progresses.

Name: Nemu. The number one most popular commercial queen. Age 20. Her image appears all over town, and she is a popular figure who fascinates many fans. She takes on various roles within Baku's lucid dreams and the dreams of the people he infiltrates.

Commander Zero. The commander of CODE and the person who created Code: Somnia. He issues orders to Baku through Code Zeroider. While he highly evaluates Baku's abilities as an agent, he also possesses a cold-hearted side as a commander.

Name: Tetsuya Fujimi. The head of the Paranormal Cases Division at the Metropolitan Police Department, who continues to pursue inexplicable unsolved incidents known as Black Cases. A veteran detective of the old school with a strong sense of responsibility and fiery passion. The central figure in the image.

Name: Nasuka Nagumo. An elite who passed the National Public Service Comprehensive Examination with excellent marks. She is skeptical of the Black Cases. "I only let my parents call me by my first name." The central figure in the image.

Name: Minami Manzu. A CODE agent, No. 17, who was ordered to become Baku's younger sister to protect him. Occupation: Talent Manager. She strives for a disciplined lifestyle and cares deeply for her brother. Her job requires her to start early in the morning. The figure on the left of the image.

Name: Souma Kumon. The Chairman of the National Public Safety Commission who manipulates Daydreams, a power obtained by merging with a Nightmare. Souma's ancestor was killed by a CODE agent during the arrival of Perry's Black Ships in the Edo period, leading him to harbor a deep grudge against CODE. He transforms into Kamen Rider Mugen using a driver and Daydream Capsems created by copying and modifying the technology of the Nox Driver and Capsems. He fights using a katana. Extremely handsome. So obsessed he's practically ruined. Incidentally, he is blood-related to the Kodaka family and is Kensei's cousin.