In Kamen Rider Zi-O Ep. 29: Blade – Joker?! 2019!, The decisive battle between Sougo and Geiz has reached the conclusion that Sougo had imagined! They all welcome back Geiz and Tsukuyomi to Kujigojido alongside Black Woz! But who was to suddenly appear, but none other than Kaito Daiki! His aim: To steal the treasures of this world, the Ride Watches! Meanwhile, White Woz, who has lost his power to transform to Black Woz, has gone dark, and has now allied himself with Schwarz!