Kamen Rider Fourze: Rocket Drill States of Friendship (2012)

Gentaro (Kamen Rider Fourze) aims to become friends with Kamen Rider Amazon in hopes of obtaining the Clear Drill Switch, which has crash landed in the Amazon River. However Amazon has been defeated by an upgraded Suddendath, and it's up to Kengo and Yuki to find Kamen Rider Amazon in the Rain forest, while Fourze takes on Suddendath!