Shadow Moon
The movie involves a team-up between the title characters from "Kamen Rider ZO" and "Kamen Rider J", who must fight a gang of five revived monsters from previous "Kamen Rider" works led by Shadow Moon, the antagonist of "Kamen Rider Black and Kamen Rider Black RX". The monsters include: Sai Mutant, from "Kamen Rider Black"; Cyborg Soldier Lv. 2, from ""; and Agito, Garai, and Zu, from "Kamen Rider J". Shiro Izumi (Yuma Ozora from "Dengeki Sentai Changeman" and Burai from "Kyōryū Sentai Zyuranger") plays Masato, a young man who gets attacked by the mutant army along with his sister Ayumi. Both, Masato and Ayumi, appear in "Super Sentai World" as well, linking the two movies. Berry, the talking grasshopper from "Kamen Rider J" is also in this movie. Kamen Rider J, ZO, Berry, and Shadow Moon were all voiced by their original actors, although ZO and J are not shown out of costume. Footage from the previous 3D "Kamen Rider" short, "Kamen Rider: Sekai ni Kakeru" ("Run Across the World") is used for a flashback.