Baku Mantsu is a young man with a special aptitude for lucid dreaming who worked as an agent for the top-secret organization CODE. While he can freely control situations within dreams, he still possesses a level of immaturity in reality. Triggered by an encounter with a Nightmare, he obtains the Zets Driver and transforms into Kamen Rider Zets. He brings the power of dreams into reality to fight for people's hearts and futures, but eventually realizes the cold-blooded truth of the organization and chooses to fight on his own terms. Basic Form: Physicam Impact Powered Form: Inazuma Plasma Intermediate Forms: Catastrom / Ordelm Final Form: Exdream Rise

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

Sieg is a warrior of overwhelming combat power and intimidating presence, a mysterious figure who transforms into Kamen Rider Dawn. He is taciturn and rarely shows emotion, but there is a firm purpose behind his actions. Dawn's power is heavy and destructive, featuring a power-type combat style that crushes enemies head-on. He engages in the conflict from a position different from Baku or Kensei, making him 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 true nature is revealed as the plot progresses.

Name: Nemu. The number one most popular CM queen. 20 years old. Her image appears all over town, and she is a popular figure who fascinates many fans. She handles various role-playing roles in Baku's "lucid dreams" and the dreams of the people Baku infiltrates.

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

Name: Tetsuya Fujimi. The head of the Strange Cases Department at the Metropolitan Police Department, who continues to pursue the "Black Cases," inexplicable unsolved incidents. A hot-blooded detective of the old school with a strong sense of responsibility. The central figure in the image.

Name: Nasuka Nagumo. An elite who passed the National Public Service Comprehensive Exam with excellent grades. 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 Mantsu. A CODE agent, No. 17, who received orders to protect Baku by becoming his younger sister. Occupation: Talent Manager. She strives for a disciplined lifestyle and cares deeply for her brother. Due to her job, she starts her mornings early. The figure on the left side of the image.

Name: Touma Kumon. The Chairman of the National Public Safety Commission who manipulates "daydreams" obtained by fusing with a Nightmare. Touma'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 strong grudge against CODE. He transforms into Kamen Rider Mugen using a driver modified from copied Nox Driver and Capsem technology along with a "Daydream Capsem." He fights using a katana. Extremely handsome. Loves him so much it's destructive.