Kijima and Kuzumi, showing the problems they face as they try to move forward in their lives, and how they drift apart while still yearning to be together. A story of love and life, and fantasies and failures of a novelist and his lover.

Kamen Rider Zi-O: Special Event is stage show of Kamen Rider Zi-O. The stage show was performed live on May 4-5, 2019, and was released on DVD on September 11, 2019.

The stage of this work is Saitama, a suburb of Tokyo in the early Heisei period. Immediately after the bubble burst gangster countermeasures law, there were gangsters who defended the last territory and young people who freely controlled the city. The youth conflict escalated day by day and became a force that surpassed the yakuza, and the runaways were sent to juvenile prisons one after another, where exclusive rules awaited.

Touma, Yuri and Mei somehow ended up in the World of Zenkaiger while four Zenkaigers, except Juran, ended up in the World of Saber. The reason for their swap is due to a man who wishes to rid the world of heroes. How does a teenage boy manga artist tie into this? And why are they sent into different stories filled with previous Kamen Riders and Super Sentai Teams?

After the end of the civil war that tore apart Japan, the new governors of Touto, Hokuto and Seito work together to reunify the country. However, they are actually members of an extraterrestrial race called the "Blood Tribe" (the same species as Evolto), who assumed their government positions as part of a plan to destroy Earth as they have done to Mars and other planets before. Considering Sento Kiryū (Kamen Rider Build) a major threat to their plans, the Blood Tribe manipulates his friends and other civilians into attacking him. With even his close ally Ryūga Banjō (Kamen Rider Cross-Z) now against him, Sento must fight to survive and stop the Blood Tribe's plan from succeeding.

A young Kamen Rider fan is granted his wish of seeing Riders in person, initiating the ultimate Japanese superhero crossover meta film. The third and final installment of the Heisei Generations series finds Kamen Rider Zi-O and Kamen Rider Build joining forces with all of the other Heisei Generation Riders to reverse the damages of an evil Time Jacker named Tid, and save their legacy. Are Kamen Riders real? Will you believe?

The Quartzers, calling themselves the Wardens of Time, appear after Sougo Tokiwa has collected all of the Heisei Era Ride Watches. A grand conspiracy behind the birth of the King of Time becomes ever clearer...