Yûichirô Takeda

Following the Gutsy Galaxy Guard's victory over the Zonder Empire, a new threat makes its appearance on Earth. GGG team up with their French counterpart Chasseur to battle the evil organization BioNet. But as they fight the BioNet, GGG's bases around the world are suddenly attacked by an even greater threat known as the "Eleven Kings of Sol." Evicted from Earth by the United Nations, GGG must travel to the far reaches of the galaxy to battle the Eleven Kings and save Mamoru before it's too late. (Anime News Network)

Three years after their adventure, Lafiel becomes captain on the brand new assault ship Basroil and Jinto finishes his training to become a supply officer and joins Lafiels crew. They set out to join a large fleet with the mission of defending the strategically important Laptic Gate from a force 15 times larger than their own. And to bring even more worries, their new fleet commander is from the Bebous family, a family notorious for their "Spectacular Insanity". (imdb)

Due to a lack of ambassadors for the recently-conquered worlds the rapidly advancing fleet of the Bebaus brothers leave behind, Lafiel is appointed Territorial Ambassador of the planet Lobnas II. Upon arriving to the planet Jinto and Lafiel discover that the planet was used by the United Mankind as a prison planet and now has a million prisoners on the only inhabited island. The prisoners are parted in three blocks. (myanimelist.net)

Mirai, an improved Kongou-class Aegis guided missile destroyer, is one of the newest and most advanced ships in the entire Japanese Self Defense Force (SDF). Her crew, also one of the newest, is lead by Capt. Umezu Saburo and Executive Officer Kadomatsu Yosuke. While running scheduled training exercises one day, Mirai encounters a fierce storm that throws their navigation systems into temporary disarray. (myanimelist.net)