Kamen Rider Zi-O: A Journey Through the Heisei Era

Reborn as Sougo Tokiwa in Kamen Rider Zi-O, Sougo sets out to become the ultimate and mightiest king of time, Ohma Zi-O. He transmigrates through the worlds of 19 Heisei-era Kamen Riders, collecting their powers.

Sougo: “I am the ultimate and mightiest Demon King.”