If you're looking for manga similar to Odin: Starlight Mutiny, you might like these titles.
The manga centers on the protagonist Opera Cat Rune and the protagonist's machine, the "Fragile," as they travel through space. At the same time, Kamon the Robot contemplates where it is from, where it is headed, and what it will become.
Set a year after the original manga, Earth is destroyed and Tetsuro sets out to discover the source of the "darkness" that threatens all life in the universe.
A sci-fi retelling of Wagner's "Ring of the Nibelungen", starring Captain Harlock.
Reesha was once a prince of a powerful dynasty, but after the end of a war, his home is no more. In the the first three years of Reesha's new life, he went to school with some of his family's former subjects, now his friends. However, after they graduated, they all joined the military. Reesha's small size, due to his artificial heart, has prevented his acceptance into the military for three years running. Now, 19-year-old Reesha is living as an ordinary plumber in a town of hot springs. In order to help Reesha get around the size requirement, he and his military friends sneak into a bathhouse to appeal to the general directly. Unfortunately, this plan results in a series of unexpected, violent events which cause Reesha to finally depart his everyday life and head off to chase his destiny!
In one corner of the Andromeda Nebula lies the planet Astria, where the peace of its Cosmoralia Empire has been shattered by autonomous machines which can take over people's consciousness. On opposing sides of the coin are successor to the throne Prince Jimsa, now part of the resistance, and Affle, his long lost twin sister. As fate brings them together, it also draws them closer to their climactic fight alongside the female cyborg warrior Il.