Based on the hit Reiwa era tokusatsu show, this is the first western adaptation of Kamen Rider Zero One! Aruto Hiden faces what might be the greatest threat yet: the mysterious volcaninc Ragnarok, all the while with his trusty Humagear companion Izu at his side! When AIMS reveals to Aruto Hiden the extent of the destruction that his insectile superhero, Kamen Rider Zero One, has left in his wake fighting the villainous Maiga, the young CEO is forced to confront his past. He has precious little time though, as the mysterious Rider Ragnarok attacks Hiden Intelligence, threatening to cause a cataclysm more deadly than any Aruto has faced before!