Voted #3 series in the Heisei era and #3 product overall in NHKs All Kamen Rider Popularity Vote.
Having plundered several Core Medals from the other Greeed but without a body to use them, Ankh manipulates Eiji into accepting a forbidden Transformation Trinket and using his Core Medals to transform into Kamen Rider OOO. He runs into Ankh, a bird-type Greeed whose body has been reduced to a single arm.
Enter Eiji Hino: an Unlucky Everydude and vagrant without any kind of drive, ambition or passion.