Annnnd info dump:
[HIDE]
The imagin is based on the three little pigs, the heads on his shoulders have different personalities.
Kamen Rider G Den-O is part of a time police force called the "G-Men", the Imagin on his chest is actually an artificial Imagin. "Humans cannot be trusted" is his personal belief.
Episode Blue's description:
The Mantis Imagin steals a Rider Ticket at the Time Terminal, seriously injuring Ryoutarou in the process. Kotaro is called from the future help track down the Imagin and bring back the Rider Ticket. Owner talks to Teddy and tells him that it is time to complete the contract with Kotaro, who has become confused as to why Teddy accepted the orders so fast. Kotaro teams up with Ryoutarou's partner Imagin, Kintaros and Urataros, to solve the case. The two Imagin are surprised by the new aggressive style of fighting coming from Kotaro, who has become angry and depressed for being abandoned by Teddy.
Episode Yellow's description:
A Spider Imagin suddenly appears before Ryoutarou and tells him about the completion of the contract. Ryoutarou and the others chase him to the past where they learn they fell into a trap. It turns out that an Imagin has taken possession of Daiki. Reiji Kurosaki tracks everyone down and arrests Daiki as he tries to find out the deeper meaning to what's going on.[/HIDE]