After being punched awake, Morin found himself a prisoner of war. He'd imagined a world reminiscent of the eve of World War I, but the reality was far worse. And why, even a soldier of the Empire, was he an ally of the International Brigade volunteers? The tin-canned assault troopers wielding swords and shields, the armored knights powered by a hybrid of diesel and magic, and the accompanying mages...all of this told Morin that there was something wrong with this world, and it was a big one. But his priority now was how to survive this war, the one that was supposed to "end all wars." Elements of this book: a magical retelling of World War I, the true man's role as a tyrant, diesel armored knights, airship boarding...

"Dignity is only on the edge of the psychic light blade, and truth is only within the range of the super-heavy purification beam."

The chaotic situation made Amber, who traveled into the space hegemony game "Starry Sky", completely understand this sentence...

Humanity, who accidentally acquired the jump technology, quickly spread across the galaxy like a plague.

After hundreds of years of all mankind working together, division came unsurprisingly.

Of course, there are also 'friendly' alien civilizations and unknown enemies that are ready to move at the edge of the galaxy.

But as a wanted criminal by both the Federation and the Empire, the first thing Amber needs to do is... survive.

Elements of this book: interstellar warfare, fleet warfare, mecha-destroying battleships, individual soldiers joining gangs, spiritual awakening, alien cat girls, alien elves...