Nana Nakamoto

A high-school girl acquires the ability to time travel.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

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.