In the future, the Japanese government captures a class of ninth-grade students and forces them to kill each other under the revolutionary "Battle Royale" act.
Three millennia after the first invasion of the Space Pirates Barban, a new set of Gingamen — Hyuuga, Gouki, Hayate, Hikaru, Saya — have been selected to protect the Earth. That is, unless the Barban are able to disrupt the ceremony!
Welcome to Megalopolis! Once a peaceful Earth city, it's now a haven for criminals aided by the nefarious Alienizer arms dealer, Agent Abrella. Now, it's up to Ban Akaza and the Special Police Dekarangers to protect the Earth from the invading Alienizers and finally bring peace and justice back to the planet.
