The Destroyer King of Time and Space: Multi-Fandom Crossover X KR Decade & Zi-O

When the worlds of the 18 Heisei Riders merged into one, a group known as Time Shocker emerged with the aim of destroying them all.

In response, two individuals from the real world were chosen: Y/n Tsukiwa, the successor to Decade and Zi-O, and Geito Myokito, the successor to Diend and Geiz.

Their mission was to eliminate anomalies and prevent the Heisei Riders from being erased and replaced by Another Riders.

To accomplish this, they must seek out their esteemed predecessors, earning their trust and powers to forge a new future for Kamen Riders and humanity itself.

This is the story of a Kamen Rider who would be king a hero who will fight to save the past, present, and future, encountering various Heisei Kamen Riders across space and time.