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Shin Seiki Den Mars

神世紀伝 マーズ

A journalist discovers a man with no memory on a newly formed volcanic island. The man, named Mars, is revealed to be an alien sent to Earth with a single mission: to command the giant robot Gaia and decide whether humanity should be destroyed. Mars is given ten days to study Earth's history and make his choice.

Haunted by visions of a woman urging him to protect the planet, Mars begins to question his purpose. As he learns about human life and culture, he must decide whether to follow his original orders or fight to save Earth. However, if Mars is killed, Gaia will self-destruct, taking the entire planet with it.

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