Captain Ken Vol 2

From the Digital Manga edition

On the brink of war with the Martians, the human settlers of Mars begin a mass exodus from the planet. In Hedes, however, some townspeople have decided to stand their ground. Unable to stand by and watch his friends be murdered, Captain Ken finds himself in a battle of wits against the Martians. Can Captain Ken diffuse this tense situation? Who are these Martians looting passenger transport ships? Can Captain Ken bring down the most powerful man on Mars, the criminal mastermind Napoleon? Will Captain Ken go down in a blaze of glory, or is he merely a flash in the pan? Regardless, the ending is sure to be explosive!

Source: Anime News Network Encyclopedia