The Mystery of the Arcadia (OAV)
Space Pirate Captain Harlock is a manga series written and illustrated by Leiji Matsumoto. It was serialized in Play Comic from 1977 to 1979, with the chapters collected into five tankōbon volumes by Akita Shoten. The series follows the titular Captain, an outcast turned space pirate after he rebelled against Earth's Government and humanity's general apathy. Space Pirate Captain Harlock was adapted into an anime television series in 1978 directed by Rintaro and produced by Toei Animation.
In 2977, mankind has space colonies, machines do all the work and everyone just wants to have fun. When deadly plant-based aliens that look like women attack the Earth in order to colonize it, only one rogue captain can stop them.