Imagine a fantasy world mixed with the Industrial Revolution (Nevyniu Continent) accidentally pitting themselves against an entire continent that is magically and technologically superior than them by centuries (Gaia Continent). The only thing stopping denizens of the Gaia Continent from overtaking the entire Nevyniu Continent is due to rivalary with other within Gaia.

(Think Gate JSDF and World Trigger combined, that should roughly describe this novel well.)

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When the ancient spell that shrouded the Nevyniu Continent from outsiders collapse, military expeditions sailed forward to discover the beyonds. They discover a new continent, the continent called Gaia, and it discovered them.

Turmoil stirs on both lands as the people of Gaia send their mechanical soldiers to harvest Nevyniu's resources and the people of Nevyniu desperately try to fight off the invaders. Enter a powerful, high ranking officer: Mihr Duvan, of the Kravlta Military Police. With internal conflict dividing the recently formed republic, Mihr Duvan was drafted to enter the expedition to Nevyniu only to find out that one of the major factions are planning to abandon him.

With the entire crew's life on the line, Mihr has no choice but to play along and survive in the new continent where he will be thrusted into a new world of danger and politics.