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Villain Overview

The game I created can manipulate people's minds. I am the one who rules their hearts now, that proves my excellence.
~ Jun shortly after revealing himself as the mastermind behind the killings in front of Shinji.
You... You were supposed to make my game more fun.
~ Jun's last words before being killed by Ouja.

Jun Shibaura, is one of the 13 Kamen Riders of the Rider War as Kamen Rider Gai and a major antagonist in the third Heisei Kamen Rider installment Kamen Rider Ryuki.

He was portrayed by Satoshi Ichijo.

History[]

Series[]

A 3rd year college student at Meirin University, Jun was a skilled computer programmer and a part of his school's Matrix Netgame Club. Jun saw the Rider War as the "ultimate game" and joined it simply so he could be the winner. He recreated the game in the form of a computer game that would send subliminal messages to the player and got his fellow Matrix members to play it so he could make them fight to the death while he watched from the shadows. These deaths led Shinji Kido to investigate. He soon met Jun who revealed himself as the mastermind behind the game of death.

Jun would later attack Ryuki to steal his Dragreder card which he used along with a virus he uploaded to the ORE Journal mainframe to become the chief editor of ORE Journal. However, Shimada counteracted Jun's hacking with her own virus and Miyuki Tezuka stole back the Dragreder card. Jun was then arrested by the police for the murders of the Matrix members, but was bailed out his father.

Jun later joined up with Takeshi Asakura after he joined the Rider War as well, impressed with his bloodlust. He then kidnapped Yui to cause a "Rider party" between him, Kamen Rider Ryuki, Kamen Rider Knight, and Kamen Rider Raia where they would all fight to the death. However, their battle eventually got mixed up with the one between Kamen Rider Zolda and Kamen Rider Ouja. Gai would meet his end when Ouja used him as a shield against Zolda's Final Vent. Jun cursed Ouja, saying he was supposed to make the game more fun, but Asakura simply responded that it was his fault for being close before finishing him off with his own hands. Angered at its master's death, a vengeful Metalgelas attempted to attack Kamen Rider Ouja but met his end at Ouja's contract card.

13 Riders Special[]

In an alternate reality, Jun is shown to be a member of Takamizawa's group, Being one of the most important members overall and also the principal right-hand of Kamen Rider Verde alongside Zolda. He is first shown to be playing a fighting game alongside other students, with him easily defeating the others while Shinji starts to ask him questions about the Rider war, Asking Jun for his help, Eventually, Jun ends up tricking Shinji by making him think that he would actually help him, just for him to get pranked and humiliated in front of the class by Jun.

Later on, Jun transforms into Kamen Rider Gai to assault Ryuki alongside the others, just for the attack to stop when Ouja kills Scissors out of anger and stress for arriving late to the 'Party'. Jun alongside Zolda and Verde start searching for Ren and Shinji, and they suceed on finding them after Jun throws a bottle in the floor, which makes both Ren and Shinji to let out a scream, something that detects their location and this ends up in a huge fight.

In the middle of the fight, After having seen Knight getting killed by Verde (And vice-versa), Gai starts to get excited, since now he doesn't have to follow orders from Verde, And the first thing he does is to try and kill a weakened Shinji, Just for him to be catched by a giant spider that starts eating him alive while Ryuga and Femme watch in shock and horror. The spider that eated Jun is later shown to be dead due to the final vent caused by Shinji in his Knight form, Destroying the last possible trace of Gai.

Advent Deck[]

Equipment[]

Trivia[]

  • His Rider name, Gai, is a kun'yomi reading for the kanji "Yoroi" (鎧 lit. "armor"), as his Rider form appeared as he is heavily armored along with his Mirror Monster, Metalgelas.
    • Ironically in Rider Time" Ryuki during Kamen Rider Zi-O event, Gai is a 12th century Old French word for gay, most likely deriving ultimately from a Germanic source, additionally because of he is instead depicted as a gay man who obsessed with Miyuki Tezuka/Kamen Rider Raia.
  • Like the rest of the Mirror Riders, he died an ironic death. He enjoys manipulating people to alleviate his boredom, only for him to be killed and used by the person he thought he could manipulate.

Navigation[]

          Ryuki LogoVillains

Kamen Riders
Masashi Sudoh | Jun Shibaura | Takeshi Asakura | Satoru Tojo | Mitsuru Sano | Kamen Rider Odin | Dark Shinji | Itsuro Takamizawa

Mirror Monsters
Spiders: Dispider | Mispider | Respider | Solospider
Zelles: Gigazelle | Megazelle | Negazelle | Omegazelle | Magazelle
Zebraskulls: Zebraskull Iron | Zebraskull Bronze
Boarders: Wildboarder | Shieldboarder
Biters: Zenobiter | Terabiter
Krakens: Bakraken | Wiskraken
Gulds: GuldThunder | GuldMirage | GuldStorm
Abyss: Abysshammer | Abysslasher
Buzzstingers: Buzzstinger Hornet | Buzzstinger Bee | Buzzstinger Wasp | Buzzstinger Broom | Buzzstinger Frost
Sheerghosts: Sheerghost | Raydragoon | Hydragoon
Non-Categorized: Psycorogue | Deadlemur | Brobajell

Kagawa's team
Hideyuki Kagawa | Hajime Nakamura | Satoru Tojo | Mitsuru Sano

Other
Shiro Kanzaki

           Zi-O Logo Villains

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Oma Zi-O | Woz | Kasshin | Dai Mazines

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White Woz | Kamen Rider Ginga

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Quartzer
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Tid's Army
Masquerade Dopants | Waste Yummies | Stardust Ninja Dustards | Elementary Inves | Ghouls | Lost Number Roidmudes | Gamma Commandos | Guardians | Hard Guardians

Swartz's Army
Monsters: Strong Smash Hazard | Mashin Chaser | Elementary Inves | Orion Zodiarts | Shika Inves | Utopia Dopant | N-Daguva-Zeba | Sagittarius Zodiarts | Gamedeus | Kamen Rider Evol
Footsoldiers: Guardians | Masquerade Dopants | Elementary Inves | Lost Number Roidmudes | Ghouls | Gamma Commandos | Bugster Virus

Worms
Salis Worms | Gryllus Worm | Imposter Shun Kageyama

Others
Waste Yummies | Gamma Commandos | Humanoise | Mole Imagin | Narutaki

Rider Time Shinobi
Rainbow Serpent
Yaminin | Stardust Ninja Dustards

Rider Time Ryuki
Tatsuya Kano | Takeshi Asakura | Jun Shibaura | Dark Shinji | Ishihashi | Tozuka | Kamen Rider Odin

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