Rider Time: Kamen Rider Ryuki (RIDER TIME 仮面ライダー龍騎, Raida Taimu Kamen Raidā Ryūki) is the second installment of Kamen Rider Zi-O Spin-off that focuses on the character of Shinji Kido.
A mysterious person restarts the Mirror World's Rider Battle, thus making Shinji Kido and other war participants regain their memories and transforming abilities. With the appearance of Another Ryuki, Sougo Tokiwa and Geiz Myokoin investigate this event, becoming involved in the war themselves...
•Kamen Rider Zi-O: Between episodes 22 and 29. Additionally, the Ryuki Ridewatch can be seen in episode 29 which aired the same date during the special's release.
•Kamen Rider Ryuki: Takes place 16 years after the end of the Ryuki.