
Smart Brain, once Japan's largest company, lost its power due to repeated internal conflicts and was placed under government control with the goal of exterminating Orphnochs. Mari Sonoda, who is living with Orphnochs at the Western Laundry Store Kikuchi, when Takumi Inui, who had disappeared several years earlier, reappeared.
Kohei Murakami
Masato Kusaka / Kamen Rider Kaixa

Mitsuru Karahashi
Naoya Kaido / Snake Orphnoch

Ray Fujita
Nozomi Kitazaki / Kamen Rider Muez

Rui Yanagawa
Hisao / Kamen Rider Delta / Mosquito Orphnoch