en Cuevana 3. An insect intelligent life form called an insectant. They are beyond the time of water hiding. Suddenly, it has begun to invade humans. However, Gattack, one of the Ishisector Ito who wishes to coexist with people, notices her ability hidden in the mysterious high school girl, Yuzumi Fukui, who talks with T Hana. Thus, Yuka Natsu, who awakens as a tent, challenges the battle to save humanity. Finally the legendary fairy sector is back!