Hiroki Aiba

The Seigaku tennis club has been invited to train at the U-17 (Under 17) camp. Seigaku is one of the 50 middle schools invited and must compete with high school players to prove they are just as good.

Takeru Shiba, the head of the Shiba family and Hikoma Kusakabe call four teenagers in order to battle the Gedoushu. They transform into Shinkengers by using Shodo Phones. Genta Umemori, a childhood friend of Takeru joined Shinkengers as Shinken Gold.

In the latter half of 21st century, humans leave the Earth and begin to live in space. In order to adapt to the environment in space and deal with the hostile aliens in Jupiter, genetically engineered children called "Princes" are artificially raised and trained to be pilots of armed robots "AHSMB (Advanced High Standard Multipurpose Battle Device). This is a story about one of the teenage "Princes", Hitachi O Izuru, who studies in an academic city Grandzehle.