Kayoko Higashi

One day, a mysterious letter 'F' starts to be written on doorplates in a condominium building. Since then, mysterious incidents consistently occur around Yukari Yamamoto, who is an ordinary female high school student living in the building.

Kumiko Hayakawa and Keiko, whose parents had died three years earlier, lived together, cuddled up to each other. One day, when they arrived at a corner of a multi-tenant building, Keiko disappeared to buy sanitary products, and Kumiko got on the elevator alone. At that moment, three men entered the elevator as it was closing. A strange atmosphere prevailed. An unbelievable scene unfolded...

Long ago, a great, destructive war between humans the Orgs was ended; the people of Earth were believed to be the victors. But now, 1,000 years later, the Orgs have returned. And five new warriors have been selected by the Power Animals to claim the responsibility of protecting humanity once again, by becoming Gaorangers!