Shin Kazama, tricked and forced into flying for the remote country of Aslan, can only escape the hell of war by earning money for shooting down enemy planes or die trying.

Kozue is a high school girl and an enthusiastic volleyball player. Her dream is to play on the Japanese national volleyball team. Over the course of the series she makes it from the school district league up to the Japanese volleyball finals, step by step until the international volleyball championship. But the faster and higher Kozue climbs, the more she is confronted with the dark side of success: too-high expectations, self-conceit, and envy.

Time to ease up ... not! Although the Yamato's crew has witnessed the end of the long, hard-fought Comet Empire War, a peaceful future will have to wait. While Dessler gathers together the shattered remnants of his Gamilus Empire, new forces are at work in the universe that could augur in another conflict. Seems the Black Star Empire has invaded Dessler's homeworld and is decimating it, all the while gathering power for its war machine.

The Yamato and her crew face the onslaught of the Comet Empire, a civilization from the Andromeda Galaxy who seek to conquer Earth, led by Prince Zordar. They have harnessed a comet and is using its terrible power to unleash destruction upon its rivals and inferiors... which are in fact everyone. The Space Battleship Yamato heads back into action. But this time, it shall not return, and much of the Yamato crew have signed on for their last voyage.