Kamen Rider OOO is a Japanese tokusatsu television series that premiered in 2010. It is part of the long-running Kamen Rider franchise and follows the story of Eiji Hino, a young man who transforms into the hero Kamen Rider OOO using a set of magical medals called Core Medals. These medals grant him various powers and abilities, allowing him to fight against the evil organization known as Greeed. The series explores themes of desire and the consequences of greed, as the Greeed seek to obtain the Core Medals to regain their lost powers. Throughout the show, Eiji is joined by his companion, Ankh, a Greeed who helps him in battles while also pursuing his own goals. The series combines action, drama, and moral lessons, making it popular among fans of the genre.