In Kamen Rider Zero-One Ep. 42: As Long As Malice Exists, the Ark has been destroyed thanks to the combined efforts of both Zero-One and Horobi, and the union of humans and Humagears alike! However, the impact of the Ark has not vanished yet! The human race is still believed to be targeted under the presumption that “As long as humanity exists, the Ark will continue to return”! Meanwhile, a new president of ZAIA Enterprise Japan who rivals Gai’s original position suddenly appears, and his goal is to destroy Horobi! In time, a full-scale confrontation between humans and Humagears is about to begin!