Pirate: Exiled by Sengoku, I Built a City

Transmigrated into the pirate world with Earth's physical limits, he's branded the weakest Marine—barely above cannon fodder. Exiled to Branch 157, the Navy's forgotten graveyard where washed-up soldiers go to rot, he should have faded into obscurity. But years later, that desolate outpost has become a thriving modern metropolis that defies everything the world knows about power. When the Navy finally takes notice, they're forced to ask: how did the weakest man alive build an empire?