is a Japanese tokusatsu series that serves as the 36th installment in the Kamen Rider franchise and the seventh entry in the Reiwa era.
is a lucid dreamer who becomes an agent of CODE, under the alias . Following an incident where he is hit by an unmanned car, Baku has a long precognitive dream that culminates in him being killed by Three for insubordination. Afterwards, he wakes up in the real world at the hospital, having retained all of his memories and equipment as he vows to prevent the dark future that befalls him.
Utilizing the Capsem in conjunction with the sash-like belt, Baku can transform into Kamen Rider ZEZTZ . While transformed, he gains muscle growing capabilities. He also wields the , which can be reconfigured into varying forms, such as . Additionally, he can assume a variety of forms and/or enhanced versions using other Capsems, which are as follows:
Baku Yorozu is portrayed by . As a child, Baku is portrayed by
is a nationally popular celebrity and the queen of commercials. Once someone sees her, they will definitely have dreams of the young celebrity. She was brought into existence by a Nightmare born from her mother The Lady's subconscious before the latter separated from her to keep CODE from taking her away. As a child, Nem lived in several children's care facilities until , the CEO of her talent agency, adopted her. Four years before the series, she was involved in a car accident that put her into a comatose state before The Lady kidnapped her. In Baku's premonition, she is awakened from her comatose state by the young agent before CODE captures her for experimentation.
Nem is portrayed by .
is a mysterious man who was an agent of CODE, under the alias . His real identity is , a detective of the Tokyo Police Department and a member of its Paranormal Affairs Division before resigning and disappearing a year before the series, discarding his original name and identity. In Baku's premonition, he is the leading force behind the Nightmare attacks before being killed by Kamen Rider ZEZTZ.
Throughout the series, NOX has assumed the following forms as he wields the , which can switch between its sword-like and its rifle-like , in battle:
NOX is portrayed by .
is a criminal who was sentenced to 1000 years in prison and an agent of CODE, under the alias .
Utilizing the Capsem in conjunction with the sword, which can switch between its one-piece and its two-piece , Sieg can transform into . While transformed, he gains hemokinesis.
Sieg is portrayed by .
is a detective of the Tokyo Police Department, with the rank of Assistant Inspector, and the chief of its which investigates mysterious unsolved cases known as .
Tetsuya Fujimi is portrayed by .
is an elite rookie detective of the Tokyo Police Department, with the rank of Assistant Inspector, and a member of its Paranormal Affairs Division.
Nasuka Nagumo is portrayed by .
is Baku's younger sister and a talent manager who lives with him.
Minami Yorozu is portrayed by .
The , abbreviated as , is a clandestine organization who fights against the Nightmares. Each member has an assigned alias. The cram school Baku and Kureha attended as children served as a front for CODE's agent training center, and the students in said school's special class which NOX was in charge of in the past were unknowingly trained to be agents through the process.
Similarly to Baku, certain CODE members utilize spherical devices in conjunction with the sash-like belt to transform into Kamen Rider-esque warriors known as . While transformed, they each carry a , which like the Breakam ZEZTZer can be reconfigured into varying forms.
is the mysterious commander of CODE who uses the , a remote-operated humanoid drone that can transform into a motorcycle for Baku to ride into battle, as his avatar. He frequently speaks in English and freely switches between it and Japanese when conversing with others. In Baku's premonition, he acts as a mentor to the young agent until Kamen Rider NOX defeats him and steals the CODE Zeroider's memory unit for The Lady. When Baku finally awakens from his premonition, the young agent becomes distrustful of Zero for his treatment of CODE's agents.
Like Baku, Zero wields the Breakam ZEZTZer in battle. He also carries the Booster Capsem, which allows him to increase the CODE Zeroider's fighting capabilities.
Zero is portrayed by .
is the cold-hearted and ruthless executive of CODE. In Baku's premonition, he becomes the young agent's handler following Zero's defeat at the hands of Kamen Rider NOX.
Utilizing the Capsem in conjunction with the Lord Invoker, Three can transform into . While transformed, he primarily wields his Breakam Breaker in its sword-like . He also carries the Capsem, which grants invisibility.
Three is portrayed by .
is an arrogant and brash agent of CODE. In Baku's premonition, he along with Kureha is killed by NOX.
Utilizing the Capsem in conjunction with the Lord Invoker, Five can transform into . While transformed, he primarily wields his Breakam Breaker in .
Five is portrayed by .
is an agent of CODE, under the alias , who was a high school classmate of Nasuka. After Three erased her memories of CODE, Kureha worked as a journalist until she regains her memories of being an agent and returns to the organization. In Baku's premonition, she along with Five is killed by NOX.
Utilizing the Capsem in conjunction with the Lord Invoker, Kureha can transform into . While transformed, she primarily wields her Breakam Breaker in its handgun-like .
Kureha Miyamoto is portrayed by .
The are monsters that appear in humans' dreams to give them night terrors and turn their fears into reality. When defeated, certain Nightmares are sealed within Capsems for the Kamen Riders, Lords, and/or NOX Knight to use their powers.
is the mysterious leader of the Nightmares, NOX's handler, and Nem's mother who was an agent of CODE, under the alias . In Baku's premonition, she uses the CODE Zeroider's stolen memory unit to reveal CODE's location and initiates her assault on the organization, only to be killed by Three.
Utilizing the Capsem in conjunction with the , The Lady can summon Nightmares to fight for her.
The Lady is portrayed by .