Kamen Rider Zero-One
first Kamen Rider series in Reiwa Era

Kamen Rider Zero-One (仮面ライダーゼロワン, Kamen Raidā Zerowan) is a Japanese tokusatsu drama series produced by Toei Company and TV Asahi. It is the 30th series in the Kamen Rider franchise and the first series in the Reiwa period. The show premiered on September 1, 2019, following Kamen Rider Zi-O's finale, and joined Kishiryu Sentai Ryusoulger, and later, Mashin Sentai Kiramager in the Super Hero Time lineup before concluding on August 30, 2020.
The series' theme revolves around technological singularity and artificial intelligence, a theme shared with the company, Hiden Intelligence, who face threats from the cyber-terrorist group, MetsubouJinrai.net, who want to take over and bring extinction to the human race via a tech uprising.
Plot
The story takes place in a world where Japan has entered a new era of technological innovations as Hiden Intelligence, the leading tech company in artificial intelligence research, develops human-like androids called Humagears, which quickly become a staple in both public and private sectors. However, a cyber-terrorist organization known as "MetsubouJinrai.net" starts hacking into Humagears, transforming them into monsters called "Magias" and turning them against humanity. The government responds by establishing a military resistance unit Artificial Intelligence Military Service, or A.I.M.S., to destroy them.
The story primarily follows Aruto Hiden, a young man with aspirations of becoming a comedian who suddenly finds himself appointed as the new CEO of Hiden Intelligence after his grandfather's death. Despite his initial disinterest, Aruto changes his mind after witnessing MetsubouJinrai.net's terrorist attacks firsthand; maintaining appearances as CEO while becoming Kamen Rider Zero-One to realize his late father's wish for a peaceful co-existence between humans and humagears. This places him in an uneasy alliance with A.I.M.S. operatives, Isamu Fuwa and Yua Yaiba, who can transform into Kamen Rider Vulcan and Kamen Rider Valkyrie respectively, against MetsubouJinrai.net; led by the rogue Humagears Horobi and Jin, who can also transform into Kamen Riders.
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