Lyon Arkland is the main antagonist of Zero-One Others: Kamen Rider MetsubouJinrai v-cinema. He was the CEO of ZAIA Enterprise United States, a tech and weapons complany, who transformed into Kamen Rider Zaia.

Arkland is a self-righteous and cunning businessman who sought to profit off of "justice" by igniting chaos. He intended to use the Sold Humagears as weapons of justice and instigate MetsubouJinrai.net into being seen as a threat to humanity that his soldiers will exterminate. 