World of Blue Decade

The World of Blue Decade is where Adam Winters comes from and takes inspiration from series within the Showa Era, but in particular it seems similar to the due to the presence of  and the fact that Adam's butler is the A.R. counterpart of  respectively from. More specifically, it seems to be related to the film , due to being home to Kamen Rider Caucasus, Hercus and Ketaros, characters exclusive to the film. But as the world is dominated by Shocker and the Worms, the human populace is mostly brainwashed into joining them or making them believe they are creating a utopia, and anyone who disobeys the rules, even slightly, has their free will completely removed.

Inhabitants

 * Adam Winters
 * Jiiya
 * Natsumi Hikari
 * Eijiro Hikari
 * Masato Mishima
 * Issei Kurosaki
 * Hidenari Oda
 * Tetsuki Yamato

Appearances

 * Icon-zi-o.png S.I.C. Hero Saga Kamen Rider Zi-O Edition: Another Ganba