Case 1: Start

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Baku Yorozu is an invincible agent who uses his lucid dreaming ability to brilliantly rescue Nemu, a national celebrity, and complete difficult missions in his dreams. One night, Baku is suddenly attacked by a monster, the Nightmare. In his lucid dream, Baku fights against invincible foes, but for some reason, he is unable to defeat the Nightmare and runs away. Baku, cornered, encounters a mysterious person, who entrusts him with the Zeztz Driver and Capsems, and he transforms into Kamen Rider Zeztz!

9/7/2025

Case 2: Explode

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In a dream, Baku somehow becomes a fugitive criminal. When he encounters the Bomb Nightmare, he transforms into Zeztz, but the Nightmare escapes. One night, Baku is suddenly summoned by Zero, who gives him an order to "infiltrate other people's dreams and prevent the Nightmare's nightmares before they happen." This means that he has to stop that bomber... Baku's mission to protect his "dream master" begins!

9/14/2025

Case 3: Erode

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"To stop the nightmare, you must find the Mind's Door in the nightmare world." After receiving an order from Zero, Baku falls asleep and infiltrates Fujimi's nightmare to find the door to his mind. However, the Bomb Nightmare causes an explosion in front of Baku's eyes. If this continues, Fujimi's nightmare will become reality!? Baku transforms into Zeztz to save Fujimi and the world!

9/21/2025

Case 4: Rob

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Baku dreams that he is guarding a VIP, the father of the bride, at a wedding rehearsal. Then a man appears and tries to steal from the bride, Miyuki. Baku's protection saves the day, but is he the dreamer of the Nightmare? On the day of the wedding, Baku, who is guarding the wedding in his dream, is confronted by a Nightmare who is after Miyuki. Baku transforms into Zeztz, and with the new powers he has gained from Zero, he challenges the Nightmare to a dogfight...!?

9/28/2025

Case 5: Crash

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Why is the bride Miyuki the dreamer? Baku, who continues to gather information in the real world, comes in contact with Miyuki standing in front of a large tree in the park. He learns that Miyuki has a memory of the tree that could change her life. In the dream world, Baku finds Miyuki's Mind's Door and sees an unexpected scene behind the door. The Crow Nightmare appears again and attacks Miyuki and everyone else!

10/5/2025

Case 6: Imprison

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Baku is assigned a new mission: escape from prison. Baku tries to escape with Nem, Masumi Bijogi and Reiko, who are trapped in a prison nightmare, but their way is blocked by various traps. And what secret is hidden in the relationship between Nem and Bijogi? Nox appears in front of Baku and eerily says, "This is an inescapable prison of death." Will Baku be able to carry out his impregnable mission?

10/12/2025

Case7: Punish

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In a dream imprisoned within a prison, the dream master, Bijogi, took Nem and vanished. Puzzled by this bizarre behavior, Fujimi and Nasuka reveal a certain "cruel truth" to Baku. After learning everything, Baku returns to the dream world and takes on the mission anew to save Bijogi and Nem. But once again, Nox stands in Baku's way...!

10/19/2025

Case8: Serve

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Baku infiltrates the traditional restaurant "Royal Shirogane" in a dream to carry out a mission to destroy a biological weapon. Right before the wary Baku's eyes, Chef Shiomi, who had tasted the owner-chef Sannoh's dish, collapsed. Upon waking, Baku visits Sannoh's restaurant, where another unexplained food poisoning incident occurs. Could it be a biological weapon again? What is the true nature of the nightmare...!?

10/26/2025

Case9: Poison

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What is the nightmare Chef Sannoh desires? Baku finds a clue in the words of Shiomi and others in the real world, discovering Sannoh's third Mind's Door in a dream. Peering inside...! While Fujimi and the others scramble to stop the summit meeting, Baku transforms into Zeztz and collides with the Poison Nightmare. But then, Nox reappears once more...!?

11/9/2025

Case10: Vanish

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Baku, tasked with the mission "Get back the national secret", infiltrates the home of art collector Atsumi in a dream. A theft occurs involving a famous painting from Atsumi's collection, and Baku suspects state secrets are hidden within that painting. However, as Baku pursues the culprit, Nox appears and warns him, "Knowing too much will destroy you." The next instant, Baku is struck by a blow from Nox's weapon...!?

11/16/2025

Case11: Rot

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The masterpiece stolen in the dream was corroded by the Nightmare. The national secret hidden within the painting would remain unrecovered if this continued... Baku was disheartened, but Zero rebukes him with an unusually stern tone. Baku once again transforms into Zeztz within the dream. As he grabbed the Wonder Capsem to protect Atsumi from the Mold Nightmare...!?

11/23/2025

Case12: Impact

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In his dream, Baku becomes an employee at the Space Center. His new mission: protect Earth from an approaching giant meteorite. Time until impact: 48 hours. Upon waking, Baku informs Fujimi and Nagumo of humanity's impending doom and springs into action. Returning to the dream world, Baku attempts to avert the asteroid collision alongside Nem. But there, Nox stands in their way. Before their eyes, Nox straps on a belt, loads a Capsem, and...!

11/30/2025

Case13: Extinguish

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After battling Nox Knight and acutely feeling his own powerlessness, Baku, having lost his confidence as an agent, is branded unfit by Zero. Still, a casual conversation with Seiya prompts him to reexamine himself. In a dream, he discovers Seiya's Mind's Door. Armed with a new Capsem, he confronts Nox!

12/7/2025

Case14: Thunder

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Baku's new mission is to eliminate his enemy, Nox. Wandering through a black hole in his dream, Baku begins to retrace the nightmare he first saw as a child. Young Baku attends a cram school. Following his movements, the cram school instructor Nox appears! Shocked by this past encounter with Nox, Baku confronts him, desperate to recover his erased memories!

12/14/2025

Case15: Lighten

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What kind of organization is CODE? When Baku questions Zero, he learns that Nox was once a CODE agent. Nem reports to Baku that she sees through Nox's nightmares. Realizing everything, Baku confronts Nox once more and transforms into Zeztz using a new Capsem...!

12/21/2025

Case16: Escape

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Baku's new mission is to rescue Nem, who was abducted by a Nightmare. Zero denounces Baku as a "traitor to the organization" for letting Nox escape. Though Baku has lost trust, he scrambles to complete the mission. Meanwhile, ignoring Baku's plight, Nox confronts Zero, equips a new Driver, and loads a Capsem!

1/4/2026

Case17: Pursue

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Though he lost Zero, Baku continues his mission to rescue Nem. Nurse Haru then reveals a surprising truth about Nem's disappearance to Baku. Having found the dreamer's Mind's Door, Baku begins pursuing the Wolf Nightmare. However, Nox blocks his path and transforms into Kamen Rider Nox. Baku also transforms into Zeztz, and the two Riders finally clash!

1/11/2026

Case18: Shoot

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In his dream, Baku, now a high school student, must protect his classmates—Nasuka and Kureha—from the Nightmare orchestrating a death game. As students fall, Kureha takes up a gun and challenges the Nightmare to battle. Seeing Baku intervene, Kureha murmurs, "...Seven." Why does Kureha know that name...!?

1/18/2026

Case19: Decide

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Baku meets the present Kureha, now a journalist, and learns the secrets of the organization CODE. Disturbed, Baku questions his role as an agent in the fight. Nem confesses to Baku that the Nightmares might be born from her own subconscious. Comforting the grief-stricken Nem, Baku resolutely confronts the Death Game Nightmare as it attacks once more!

1/25/2026

Case20: Presage

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In his dream, Baku, now Village Person A, embarks on an RPG-like adventure with Sota, Tomoko, and the heroine Nem to defeat monsters. When Baku encounters a Nightmare, he transforms into Zeztz, but feels uneasy about the Nightmare's strange behavior... Meanwhile, Nox confronts Six, who has appeared to eliminate the traitor. He transforms into a Rider and challenges her to battle, but...!?

2/1/2026

Case21: Burst

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Are countless children dreaming the same dream? Baku, who began investigating, discovers a common thread among the children who shared the same dream. Entering the dream world once more, Baku witnesses the terrifying conclusion of the nightmare unfolding beyond the Mind's Door. The children are in danger! Baku transforms into Zeztz and challenges the Baby Nightmare to a battle, but...!?

2/8/2026

Case22: Revenge

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The new mission is to defeat the Disaster Nightmare that has appeared in the real world and take Odaka's life. Feeling distrust toward the ruthless CODE, Baku questions his role as an agent. Meanwhile, Five and Six confront the Disaster Nightmare and Nox. Witnessing their fierce battle, Baku suddenly senses something amiss!?

2/15/2026

Case23: Destroy

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Baku, having undone Zeztz Catastrom's transformation after successfully defeating Nox, falls into a deep sleep and enters the realm of the subconscious. There, he learns of the intense feelings Nem carried, and Baku himself resolves to take decisive action. Finally awakening from his slumber, Baku coldly declares to Minami and the others before beginning his mission. "I am Code Number: Seven. I'll carry out my mission..." What has transformed Baku into this cold-hearted man? And where is he headed?

2/22/2026

Case24: Break

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The cold-blooded agent, Code Number: Seven, Baku, shakes off the attempts by Minami and the others to stop him and sets out to carry out his mission: "Find Nem." Baku races to meet Nem, who has awakened from her dream. Amidst this, The Lady manipulates a Nightmare to attack CODE headquarters. Then, Three appears, transformed into Lord Three...!!

3/1/2026

Case25: Get Started

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Baku awakes in a hospital bed and realizes all his experiences had been a dream. But if it was a dream, why are the Zeztz Driver and Capsems here...? Confused, Baku falls asleep and reunites with Nem in his dream. Were all his experiences just a nightmare, or...!?

3/8/2026

Case26: Gather

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In his dream, Baku recounts his terrifying experiences to Fujimi, Nasuka, and Minami. Nox was also secretly listening to Baku's story when Five and Six, acting on CODE's orders, suddenly appear! The four clash, but then a new disturbance occurs!?

3/15/2026

Case27: Play

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Under a fierce assault from a mysterious Rider who appeared out of nowhere, Baku is jolted awake from his dream. Who is this person capable of changing the future? Baku sets himself the mission to "uncover the enemy’s true identity." Meanwhile, at CODE, Zero and Three grow increasingly alarmed by the appearance of "Sieg." Who exactly is "Sieg"…!?

3/22/2026

Case28:

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3/29/2026

Case29:

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4/5/2026

Case30:

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4/12/2026