Another World (Zi-O)

Another World (アナザーワールド) is a world of lost possibilities which can be assessed by Another Decade's power.

It's a version of reality under Another Decade's control, with an army of Dark Riders that follow his will.

Inhabitants

 * Kamen Rider Dark Ghost
 * Kamen Rider G4
 * Kamen Rider Fuuma
 * Kamen Rider Rey
 * Katsumi Daido/Kamen Rider Eternal

Appearances

 * Kamen Rider Zi-O
 * Episode 44: 2019: Aqua Calls
 * Episode 45: 2019: Eternal Party