Kouiti Shimaboshi: 2 books

While Harlock and crew finish their duel with Jorjibel, a battle for dominance breaks out on Earth. As the Mechanized Empire faces off against the Mazon, Tadashi Daiba must figure out if the enemy of an enemy is a friend...or just another enemy.

Harlock faces Jorjibel in a decisive frontal assault, utterly destroying her fleet. Meanwhile, Tadashi's pursuit of the mystery of the Mazon leads him straight into a war for the soul of Earth. What shocking truth will he uncover while freeing the captive Mayu?! The final class between humans and Mazon draws ever closer!