Kamen Rider Zi-O (仮面ライダージオウ, Kamen Raidā Jiō) is a Japanese tokusatsu drama and the 29th entry in the Kamen Rider series. It follows the exploits of Sougo Tokiwa, a young man who, according to visitors from the future, is destined to become the king who will enslave the entire world, and embarks in a quest to change his fate, meeting several other Kamen Riders from the Heisei era along the way.