 This article is about an actor in Kamen Rider Zero-One.
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Ryutaro Okada (岡田 龍太郎, Okada Ryūtarō) is a Japanese actor who portrays Isamu Fuwa in Kamen Rider Zero-One.
Biography[]
In his youth, Okada had applied to attend University of Tokyo multiple times but was unable to get in, later choosing to attend Waseda instead. As a student, he enrolled as a law major and began early studying for the bar exam.
In 2016, his sister entered him into the Junon Superboy Contest where he had won runner-up. The following year, he debuted as an actor and appeared in a few drama series. In 2019, he graduated from Waseda and the following year, he was announced to have joined the cast of Zero-One.
In 2021, Okada stepped away from acting to focus on finishing his studies for the bar exam, which he had began during his college days. Okada passed the bar exam in 2024, but did not announce it until 2025 out of fear of relapsing back into social media which would distract him from his studying and legal training, which is due to be completed by March 2026.[1]
Personal life[]
- Okada was a fan of the Showa-Era of Kamen Rider as a child, as the Heisei-era had not begun airing with Kuuga then. By the time it did, he had already become too busy with school to watch it. [2]
Filmography[]
Television[]
- Kamen Rider Zero-One (2019-2020) - Isamu Fuwa/Kamen Rider Vulcan
Film[]
- Kamen Rider: Reiwa The First Generation (2019) - Alternate Isamu/Kamen Rider Vulcan, Isamu Fuwa
- Kamen Rider Zero-One: REAL×TIME (2020) - Isamu Fuwa/Kamen Rider Vulcan
- Zero-One Others: Kamen Rider MetsubouJinrai (2021) - Isamu Fuwa
- Zero-One Others: Kamen Rider Vulcan & Valkyrie (2021) - Isamu Fuwa/Kamen Rider Vulcan
YouTube Channel[]
alternatively known as RyuTube
Okada also runs a personal YouTube channel known as RyuTube (りゅうちゅーぶ, Ryuu Chūbu). A good number of his videos have been subbed in English by fans, due to his popularity as Isamu in Zero-One, though the channel has been inactive since 2021 due to his desire to pursue a career in law.
Okada often streams video games such as Detroit: Become Human, Fortnite, Insomniac's Spider-Man, Animal Crossing: New Horizons, and Final Fantasy VII Remake. He has invited several of his cast members to play games as well:
- Syuya Sunagawa was invited to play PUBG Mobile and partake in a spicy yakisoba eating competition.
- Ryunosuke Matsumura was invited to play Super Smash Bros. Ultimate.
- Noa Tsurushima was invited to play Animal Crossing: New Horizons.
Okada has also interviewed several of his cast members on their roles in the series, such as Daichi Yamaguchi, Minato Isshiki, Keisuke Minami, and Daisuke Nakagawa.
Okada has also made an effort to review each episode of Zero-One after its airing, thanking viewers for watching while giving behind-the-scenes facts.
- In his review for Episode 31, he talks about the evolution of Isamu's transformation pose.
Okada has also done meme review videos on memes send by fans, while acknowledging the hilarious gags associated with his character. To that extent, he occasionally wears a gorilla mask and opens a bag of potato chips "Isamu-style".
Notes[]
- He previously appeared in a drama called Holiday Love alongside Hiroki Iijima (Emu Hojo) from Kamen Rider Ex-Aid.
- Okada won as the Runner-Up in the 29th Junon Superboy Contest in 2016. Zi-O-star Gaku Oshida had won the Grand-Prix of the same year.