Caspar and Linhardt ran away from their home ship with one purpose: to see everything in the universe they could. After boarding a shuttle that only rarely visits a far and out of the way research station, they find things weirder and scarier than they could ever have anticipated.
– Tag SPACE OPERA
Claude von Riegan, Starfleet officer and captain of the starship "Derdriu", leads his crew on a mission to recover a relic sacred to the Nabatean people. What he doesn't expect is to be confronted by an Agarthan dreadnought or the rogue "Adrestia" in the Gronder star cluster. He's made a name for himself as a brilliant strategist, but he'll need both wits and luck to get the "Derdriu" to safety.
Byleth is the disgraced commander of the Galactic Alliance of Humankind's Human Army, known galaxy wide for desserting the Human Army in a climactic battle against the Adrestian Empire. After killing Grand Emperor Edelgard with his own hands, he lives quietly with his twin son and daughter as a jack-of-all-trades, master of none. His most loyal commanders under him, Dimitri and Claude, try to find their commander, but once they do, nothing is as it seems as Byleth's children must inherit their parent's legacy and birthright to defeat an evil that if not stopped, will destroy the galaxy.
The crew of the GLD-D33R sets out on an expedition to uncover ancient ruins of an alien society thought to be mere legend back on Earth. Little do they know, they may be closer to a living legend than they think and unfortunately they aren't the only ones searching. Claude von Riegan was never one to turn away from a good mystery, especially one connected to his beloved guiding star.
Byleth is a bounty hunter in need of a new AI team for her spacecraft, but she is low on funds. Gains a cheap “Faerghus four AI” with many return tags on it. Dimitri, being the master AI, spends most of his time with the captain and quickly becomes enraptured by her timid smiles.