Kamen Rider Zi-O the Movie: Over Quartzer

About the story

The key to the mystery of the remaining Drive Ridewatch lies in the Sengoku era. Sougo and his companions meet the Demon King Oda Nobunaga and plunge into a historic battle. Before them appears a group calling itself Quartzer, claiming to be the administrators of space-time. Woz, who should be their ally, blocks their path as a member of Quartzer and reveals the shocking truth hidden behind all their battles so far. What vast conspiracy lies concealed in the very existence of Sougo Tokiwa, Kamen Rider Zi-O? At the end of this adventure across time and space, will the king who is born be a wise ruler or a tyrant? The true ending of Kamen Rider Zi-O.