In order to interact with Earth and disguise themselves, its members put their energy-formed spirits into either special android vehicles built by Japan's scientist Hiroshi Amano, which have transformable bodies and were intended to be rescue units, or service vehicles.

While fighting against Drias and Jango's forces, he lives with Hiroshi and his grandchildren, Kenta and Haruka, while adjusting to life on Earth.

Drias (ドライアス, Doraiasu) (voiced by Daisuke Gori), also known as the "Universe Emperor" (宇宙皇帝, Uchū Kōtei), is the main antagonist of the series, who allies with Dr. Jango and aims to plunge Earth into darkness.

He possesses two forms: In the final battle, Drias assumes the "organic"-themed transformation Organic Drias (オーガニックドライアス, Ooganikku Doraiasu) after bathing himself in the negative energy from deep space using the Devil Tower.

In 2011, a scene from the third episode in which Katori sees a butterfly while speaking to Inspector Satsuda and asks "is this a pigeon?"