"Kamen Rider Zero-One" is a Japanese tokusatsu series that premiered in 2019. It follows Aruto Hiden, a young CEO of Hiden Intelligence, who transforms into the titular hero, Kamen Rider Zero-One, to combat rogue androids known as MetsubouJinrai. The series explores themes of technology, humanity, and the relationship between humans and artificial intelligence. The show features various forms and abilities, achieved through the use of Hiden's Zetsumerise Keys. Each episode presents a new challenge as Aruto faces off against different enemies while uncovering the mysteries behind the MetsubouJinrai organization. The series is part of the long-running Kamen Rider franchise.