A strange transfer student with a crew cut and short robes came to Amanokawa Gakuen High School. His name is Gentaro Kisaragi, and he has the lofty goal of "becoming friends with all the students in the school." Gentaro, who just arrived at the school, met the mysterious young singer Kengo and met his childhood sweetheart Yuki Jojima again. At the same time, Zodiarts monsters appeared on campus. Gentaro then used the FourzeDriver he got from Kengo to transform into Kamen Rider Fourze... With Amanokawa Gakuen High School as the stage, the battle of high school heroes is now underway.