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- Some years prior (Gaim Side Story: Kamen Rider Duke)
- Ryouma Sengoku develops the first Lockseed, the Apple Lockseed.
- Kugai Kudou is made into the test subject for the initial Apple Lockseed experiment.
- The Apple Lockseed goes beserk, and Kugai Kudou disappears from the world (treated as a fatal accident).
- The Apple Lockseed is retrieved and sent to Amagi Kureshima.
- Ryouma Sengoku and Takatora Kureshima meet for the first time.
- Ryouma Sengoku recruits Youko Minato and Sid.
- Within space-time (Kamen Rider Gaim Novelization)
- Instead of disappearing, Kugai Kudou becomes a pseudo-Overlord. He becomes a wanderer in space-time and witnesses several parallel universes.
- Kugai Kudou encounters Sagara, who bestows the power of Genesis on him, and returns to this world.
- Episodes 1-10 (TV series)
- Kouta Kazuraba and Mai Takatsukasa are stranded in the Helheim Forest and encounter the White Tiger Invase.
- Kouta Kazuraba transforms into Armored Rider Gaim for the first time and defeats the White Tiger Invase.
- Kaito Kumon, Mitsuzane Kureshima, Ryouji Hase, and Hideyasu Jounouchi become Armored Riders.
- Oren Pierre Alfonzo enters the front line as an Armored Rider.
- A Lockseed competition is held over Christmas.
- Ryouji Hase’s Sengoku Driver is damaged by an attack from Armored Rider Zangetsu.
- Episodes 10-12 (TV series/Gaim Side Story: Kamen Rider Duke)
- Ryouma Sengoku is convinced of Kugai Kudou’s presence behind the Pomegranate Lockseed incident.
- Four Genesis Drivers are dispatched.
- Kugai Kudou is defeated by Armored Rider Duke (Ryouma Sengoku).
- Kugai Kudou returns to this world and delivers a Pomegranate Lockseed to Shura. (Gaim Side Story: Kamen Rider Knuckle)
- Episodes 13-19 (TV series)
- Ryouji Hase eats a Helheim fruit and transforms into the Bixie Invase.
- The Bixie Invase is killed by Armored Rider Sigurd (Sid).
- Yggdrasill detains Kouta Kazuraba and Kaito Kumon.
- Sagara assists Kouta Kazuraba and Kaito Kumon in escaping Yggdrasill.
- Conflict between the Beat Riders is put to a halt, and a joint dance event is held.
- Zack uses a mass-produced Sengoku Driver to transform into Armored Rider Knuckle.
- Kouta Kazuraba and Kaito Kumon infiltrate Yggdrasill again.
- Episodes 20-21 (TV series/Gaim Side Story: Kamen Rider Zangetsu)
- Touka Akatsuki kills Amagi Kureshima and obtains the forbidden Apple Lockseed.
- Takatora Kureshima informs Kouta Kazuraba about the truth behind Helheim.
- Ryouma Sengoku informs Kaito Kumon about the truth behind Helheim.
- Takatora Kureshima learns about the truth behind Amagi Kureshima’s experiments, and confronts and defeats Armored Rider Idunn (Touka Akatsuki).
- Ryouma Sengoku secretly disposes of Touka Akatsuki and collects the forbidden Apple Lockseed.
- Episodes 20-21 (TV series/Gaim Side Story: Kamen Rider Baron)
- Kaito Kumon investigates the Helheim forest at Ryouma Sengoku’s request.
- Kaito Kumon defeats Armored Rider Tyrant.
- After using the forbidden Apple Lockseed, Kaito Kumon finds himself in a dysfunctional state.
- Shapool learns the truth from Alfred and returns to his homeland with renewed determination.
- Episodes 22-23 (TV series)
- Kouta Kazuraba learns about the truth behind the death of Yuuya Sumii, who had become the White Tiger Invase.
- Sagara bestows the Victorious Lockseed on Kouta Kazuraba.
- Kouta Kazuraba transforms into Victorious Arms for the first time and destroys the Scalar System.
- Episodes 24-27 (TV series)
- Kouta Kazuraba, Kaito Kumon, and Mitsuzane Kureshima each begin their own search for the Overlords.
- Kouta Kazuraba and Takatora Kureshima engage in battle and promise to cooperate with each other.
- Episodes 28-32 (TV series)
- Takatora Kureshima is removed from his position by Ryouma Sengoku, and goes missing within the Helheim forest.
- Mitsuzane Kureshima pretends to be Armored Rider Zangetsu Shin and attacks Kouta Kazuraba.
- Takatora Kureshima is saved by Overlord Roshuo.
- Overlord Demushu begins invading Zawame.
- Overlord Roshuo kills Sid.
- Sagara grants Kouta Kazuraba the power of a fragment of the Golden Fruit via the Ultimate Lockseed.
- Baron and other Armored Riders launch an attack on the evolving Demushu.
- Ryouma Sengoku escapes from Zawame by himself.
- Armored Rider Gaim Ultimate Arms defeats the rampaging Demushu with overwhelming power.
- Overlord Redyue invades Zawame with a large army of Invase.
- Episodes 33-36 (TV series)
- Redyue declares war on the entire world.
- Missile attacks on Zawame are carried out from all over the world, but Roshuo inflicts his own devastating power on every country in return.
- As Zawame is occupied by Overlords, it is quarantined off from the rest of the world.
- Mitsuzane Kureshima makes a deal with Redyue to save only the people of his choosing.
- Takatora Kureshima returns to Zawame and cooperates with Kouta Kazuraba, Youko Minato, and others.
- Mitsuzane Kureshima attempts to cut ties with Kouta Kazuraba. He attempts to attack Kouta, but is stopped by his older brother Takatora.
- Kaito Kumon’s arm is injured by an attack from Redyue, and he is poisoned by Helheim.
- Takatora Kureshima transforms into Armored Rider Zangetsu once again in order to stop his younger brother Mitsuzane.
- The brothers’ showdown results in Takatora being unable to perform the finishing blow, and Mitsuzane takes advantage of his hesitation to claim victory.
- Takatora sinks into the ocean, and it remains uncertain whether or not he survived.
- Episode 37 (TV series/Kamen Rider Gaim Theatrical Movie: The Great Soccer Battle! The Golden Fruit Cup)
- Kouta Kazuraba and Kaito Kumon each individually meet Lapis.
- Kouta Kazuraba is stranded in an unfamiliar version of Zawame, where all conflicts are resolved through soccer.
- Kouta Kazuraba learns that Lapis is an Overlord who can manipulate dreams. In cooperation with Lapis, he defeats Kougane, a Golden Fruit artifically created by the Overlords.
- Episodes 38-41 (TV series)
- Ryouma Sengoku returns to Zawame and proposes an invasion of Yggdrasill Tower.
- Mitsuzane Kureshima abducts Mai Takatsukasa and requests that Roshuo protect her.
- Kouta Kazuraba begins to awaken as an Overlord due to the influence of the Golden Fruit.
- Roshuo is reminded of his deceased queen thanks to Mai Takatsukasa, and entrusts her with the Golden Fruit.
- Kouta Kazuraba and Kaito Kumon confront Roshuo. Meanwhile, Redyue attacks Roshuo.
- Kouta Kazuraba defeats Redyue with his Overlord abilities.
- Roshuo dies with the spirit of his queen by his side.
- Episodes 42-43
- The Golden Fruit that Roshuo had implanted in Mai Takatsukasa causes her to lose consciousness.
- Mitsuzane Kureshima pleads with Ryouma Sengoku to cure Mai Takatsukasa. In order to prevent Kouta Kazuraba from meeting Mai Takatsukasa, he transforms into Armored Rider Ryugen Yomi with the Deathly Feast Lockseed and attacks him.
- Mitsuzane Kureshima fatally injures Kouta Kazuraba.
- Ryouma Sengoku extracts Mai Takatsukasa’s heart and the Golden Fruit embedded in it.
- The cruelty of Ryouma Sengoku’s actions sends Mitsuzane Kureshima into despair, and causes Kaito Kumon to attack him in anger.
- Helheim’s poison spreads throughout all of Kaito Kumon’s body, and by eating a Helheim fruit, he transforms into Lord Baron. Ryouma Sengoku is fatally injured and dies.
- Kouta Kazuraba revives with unusual regenerative abilities.
- Episodes 44-45 (TV series)
- Kouta Kazuraba and Kaito Kumon fully attain power equivalent to that of an Overlord.
- Mai Takatsukasa becomes the “Woman of the Beginning” and travels between the past and future in the hopes of stopping the conflict.
- Kaito Kumon pursues the Golden Fruit in the hopes of remaking the world.
- Youko Minato and Zack assist Kaito Kumon.
- Oren Pierre Alfonzo and Hideyasu Jounouchi attempt to stop Kaito Kumon, but their own Sengoku Drivers are destroyed instead.
- Zack attempts to stop Kaito Kumon with a bomb he had secretly prepared, but his plan fails due to Youko Minato’s interference. Youko Minato is caught up in the explosion and dies.
- Knowing that this will be the end of his normal days with his friends, Kouta Kazuraba heads towards the final battle for the Golden Fruit.
- Episode 46 (TV series)
- Kouta Kazuraba and Kaito Kumon battle with the world at stake.
- After a fierce battle, Kouta emerges victorious, eats the Golden Fruit, and reincarnates into the “Man of the Beginning”. He brings the Helheim forest and Invase with him to another planet and leaves Earth with Mai Takatsukasa.
- (Three months later)
- Zawame begins to return to its earlier vibrant state.
- Takatora Kureshima, whose state of life or death had remained uncertain, recovers from a comatose state and reunites with Mitsuzane Kureshima.
- Episode 47 (final episode of the TV series)
- The Beat Riders resume their activities.
- Mitsuzane Kureshima is the sole remaining owner of a Sengoku Driver.
- Hideyasu Jounouchi learns of Ryouji Hase’s death and transforms into Armored Rider Kurokage.
- Mitsuzane Kureshima and Hideyasu Jounouchi struggle in a fight against Armored Rider Jam.
- Armored Rider Jam is revealed to be Kougane, who had gone through an incomplete resurrection. Mitsuzane Kureshima manages to defeat him alongside Kouta Kazuraba, who had temporarily returned.
- Kamen Rider × Kamen Rider: Drive & Gaim Movie War Full Throttle
- Megahex flies into Zawame.
- Takatora Kureshima defeats Mecha Ryouma Sengoku and acquires his copy Genesis Driver.
- Mai Takatsukasa uses her power to recreate the Melon Energy Lockseed, leading to the revival of Armored Rider Zangetsu Shin.
- The Armored Riders defeat Megahex alongside Kamen Rider Drive.
- A few months after Kamen Rider × Kamen Rider: Drive & Gaim Movie War Full Throttle (Gaim Side Story: Kamen Rider Knuckle)
- Zack travels to the United States by himself in order to refine his dancing skills.
- After returning to Japan, Zack confronts Shura of Neo Baron.
- Zack receives a Sengoku Driver, Walnut Lockseed, and Chestnut Energy Lockseed from Mitsuzane Kureshima. Armored Rider Knuckle returns.
- Zack receives Kaito’s old Genesis Driver’s Genesis Core and transforms into Jinba Chestnut Arms. Black Baron (Shura) is defeated.
- In succession after Gaim Side Story: Kamen Rider Knuckle (Kodansha Character Collection Kamen Rider Gaim Novel)
- Takatora Kureshima mass produces the minimum amount of necessary Sengoku Drivers for his purposes.
- With Oren’s assistance, he heads to different countries to suppress the Yggdrasill remnants that are still abusing Helheim’s power.
- Black Bodhi’s followers create the Pomegranate Core and Pomegranate Lockseed, and Kugai Kudou is revived.