In 2120, Earth's discovery of a colossal gateway beneath Australia's Aels boulder shatters the boundary between worlds. Science-driven humanity meets magic-infused Otherworld denizens, triggering two devastating wars that reshape both civilizations. After decades of bloodshed, an uneasy peace emerges—thirty years of tentative coexistence masking deeper tensions. Now, as conflict looms once more, Earth's military brass launches a classified operation: dispatching an advance team across the dimensional rift for intelligence gathering before war engulfs both realms. Luoer, born of Earthling and Otherworld elf heritage, emerges from two decades of intensive training at Haiya Academy—an elite institution forging hybrid warriors. Leading his combat-hardened squad into uncharted territory, he'll navigate a realm where ancient magic collides with modern weaponry. Expect no fantasy of swords and sorcery alone—this universe blends guns and magic into something unprecedented. What awaits them in the Otherworld? Allies, enemies, and secrets that could determine the fate of two worlds colliding.