Isamu Fuwa is the squad captain of A.I.M.S. and the secondary Rider of Kamen Rider Zero-One. He has the power to transform into Kamen Rider Vulcan.

History

Past

When Isamu was young, he bore witness to the Daybreak Town incident, in which thousands of HumaGears were hacked by MetsubouJinrai.NET and made to go rogue and rampage, eventually destroying the entirety of Daybreak Town. Isamu was one of the few survivors of the incident and the event, along with its cover-up by Hiden Intelligence, led to Isamu developing a distrust of HumaGears.

In A.I.M.S.

Isamu's hatred of HumaGears eventually led him to join the Artificial Intelligence Military Service (A.I.M.S.), an agency designed to investigate and combat rogue HumaGears, where he eventually rose to become captain. At some point, Gai Amatsu planted an AI chip containing the data of MetsubouJinrai.NET member Naki inside Fuwa's head, allowing Gai to take control of Fuwa remotely.

After MetsubouJinrai.NET reemerged and began hacking HumaGears to turn them into Magia, Fuwa led an A.I.M.S. squad in response to the attacks. Isamu eventually broke into A.I.M.S. armory and took the Shot Riser along with the Shooting Wolf Key, allowing him to transform into Kamen Rider Vulcan.

Over time, and through working with Hiden Intelligence's new CEO Aruto Hiden, Isamu's distrust of HumaGears became mitigated somewhat, especially after he was injured in battle and his life was saved by doctor HumaGear Dr. Omigoto.

After MetsubouJinrai.NET stole all of the Progrise Keys and used them to reawaken the Ark, Fuwa led A.I.M.S. in a raid on MetsubouJinrai.NET's hideout, which they discovered was in the ruins of Daybreak Town. During the raid, Fuwa used the Assault Wolf key he stole from the cyber-terrorist group to become Kamen Rider Vulcan and battle Kamen Rider Jin. After beating Jin, Vulcan attempted to finish him off but Horobi got in the way and absorbed the attack instead, resulting in him seemingly being deactivated.

In response to raid, Jin assembled an army of Trilobite Magia and Gigers and led a massive attack on the nearby city, but A.I.M.S. managed to fight it off with help from Kamen Rider Zero-One. After the battle, Horobi's damaged body was taken into A.I.M.S.'s custody, where it mysteriously reactivated.

Isamu later tried to interrogate Horobi, but Horobi would not give any answers. Horobi was later mysteriously broken out by Jin and a hooded figure. During his investigation to uncover how Horobi escaped, Fuwa learned from Gai about the AI chip inside his head. Jin later approached Fuwa and revealed that he had Naki take over his body to break Horobi out, showing him security footage from inside Horobi's cell that briefly showed Fuwa's face on the hooded figure. After learning this, Isamu confronted Gai again demanding to know why he had planted the chip in his head to make him work for MetsubouJinrai.NET. Gai answered that the chip contained the mind of Naki of MetsubouJinrai.NET and took control of the chip to demonstrate his hold over Isamu, causing Isamu pain while declaring him to be one of his tools.

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           TOS Logo.png Heroes

Kamen Rider
Takeshi Hongo | Hayato Ichimonji | Tobei Tachibana | Kazuya Taki

Kamen Rider V3
Shiro Kazami | Joji Yuki

Kamen Rider X
Keisuke Jin

Kamen Rider Amazon
Daisuke Yamamoto

Kamen Rider Stronger
Shigeru Jo | Yuriko Misaki

Skyrider
Hiroshi Tsukuba

Kamen Rider Super-1
Kazuya Oki

Kamen Rider ZX
Ryo Murasame

Kamen Rider Black/RX
Kotaro Minami

Kamen Rider Kuuga
Yusuke Godai

Kamen Rider Agito
Shouichi Tsugami | Makoto Hikawa | Toru Hojo | Takahiro Omuro | Ryo Ashihara | Kaoru Kino | Shiro Mizuki

Kamen Rider Ryuki
Shinji Kido | Ren Akiyama | Shuichi Kitaoka | Goro Yura | Miyuki Tezuka | Miho Kirishima | Yuichi Saito |

Kamen Rider Faiz
Takumi Inui | Yuji Kiba | Masato Kusaka | Shuji Mihara | Mari Sonoda | Keitaro Kikuchi | Rina Abe

Kamen Rider Blade
Kazuma Kenzaki | Hajime Aikawa | Sakuya Tachibana | Mutsuki Kamijo

Kamen Rider Hibiki
Hitoshi Hidaka | Iori Izumi | Tomizo Todayama | Zaoumaru Zaitsuhara | Daisuke Danda | Sakae Saeki | Kamen Rider Eiki | Kamen Rider Shuki | Akira Amami | Kyosuke Kiriya

Kamen Rider Kabuto
Souji Tendou | Arata Kagami | Daisuke Kazama | Sou Yaguruma | Shun Kageyama | Tsurugi Kamishiro | Riku Kagami | ZECT

Kamen Rider Den-O
Ryotaro Nogami | Momotaros | Urataros | Kintaros | Ryutaros | Sieg | Yuto Sakurai | Deneb

Kamen Rider Kiva
Wataru Kurenai | Otoya Kurenai | Taiga Nobori | Masao Kurenai | Keisuke Nago | Kengo Eritate | Jiro

Kamen Rider Decade
Tsukasa Kadoya | Daiki Kaito | Natsumi Hikari | Yusuke Onodera

Kamen Rider W
Shotaro Hidari | Philip | Akiko Narumi | Ryu Terui | Sokichi Narumi

Kamen Rider OOO
Eiji Hino | Akira Date | Shintaro Goto

Kamen Rider Fourze
Gentaro Kisaragi | Ryusei Sakuta | Nadeshiko Misaki

Kamen Rider Wizard
Haruto Soma | Kousuke Nitoh | Koyomi Fueki | Mayu Inamori | Yuzuru Iijima | Masahiro Yamamoto

Kamen Rider Gaim
Kouta Kazuraba | Kaito Kumon | Mitsuzane Kureshima | Takatora Kureshima | Yoko Minato | Mai Takatsukasa | Hideyasu Jonouchi | Ryoji Hase | Oren Pierre Alfonzo | Zack

Kamen Rider Drive
Shinnosuke Tomari | Go Shijima | Chase | Kiriko Shijima | Heart Roidmude | Brain Roidmude | Medic Roidmude

Kamen Rider Ghost
Takeru Tenkuji | Makoto Fukami | Alain | Akira Tsukimura | Onari Yamamouchi | Alia

Kamen Rider Ex-Aid
Emu Hojo | Asuna Karino | Hiiro Kagami | Taiga Hanaya | Kiriya Kujo | Kuroto Dan | Parado

Kamen Rider Build
Sento Kiryu | Ryuga Banjo | Kazumi Sawatari | Gentoku Himuro | Misora Isurugi | Sawa Takigawa | Nariaki Utsumi |

Kamen Rider Zi-O
Sougo Tokiwa | Geiz Myokoin | Tsukuyomi | White Woz | Black Woz | Rentaro Kagura | Isamichi Konjo | Mondo Douan | Rento Makina

Kamen Rider Zero-One
Hiden Intelligence (Aruto Hiden | Izu | Jun Fukuoze) | A.I.M.S. (Isamu Fuwa | Yua Yaiba)

Kamen Rider Saber
Touma Kamiyama | Mei Sudo | Rintaro Shindo | Ren Akamichi | Kento Fukamiya

Other Heroes
Shin Kazamatsuri | Masaru Aso | Kouji Segawa | Takeshi Hongo (reboot) | Katsuhiko Yano | Shiro Kazami (reboot) | Jun Kadowaki | Junichiro Kadowaki | Goro | Ganbarider | Haruka Mizusawa | Chihiro | Jin Takayama

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