RIDER TIME: Kamen Rider Zi-O VS Decade -7 of Zi-O!-

Original: RIDER TIME 仮面ライダージオウ VS ディケイド 7人のジオウ！

Sougo's high school is suddenly isolated in a wilderness filled with Inves! How did it get here? Can they survive? And why are there MORE Sougos appearing?? The answer may lie with Decade...