An alien woman named Maya crash-lands on Earth. Her homeworld was destroyed by the Blasters, a cruel alien race who steals the natural resources from other planets. She falls in love with a scientist and gives birth to a human boy named Kentaro. When the Blasters invade the Earth, Kentaro must defeat them by fighting with Astroganger, a robot made from living metal.
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Characters & Voice Actors

Ganger
Main
Iizuka, Shouzou
Japanese
Hoshi, Kentarou
Main
Sawada, Kazuko
Japanese
Deputy Director Hayakawa
Supporting
Oomiya, Teiji
Japanese
Dr. Hoshi
Supporting
Katsuta, Hisashi
Japanese
Hayakawa, Rie
Supporting
Suzuki, Hiroko
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