The American Arms Dealer

He used to be a broke shut-in. He never expected to transmigrate and become a rich third-generation heir. Aside from the place names, this world is much the same as his own, so he settles into life as a wealthy heir. But then, one day, his family’s powerful backer falls, and he has no choice but to take over the family business. But the business is no ordinary one, and there’s more to his grandfather’s death than meets the eye. After investigating, he realizes that if he doesn’t rise to power, he’ll die. To save his own skin, he buys factories, develops weapons, and sells them, never turning back from the path to becoming an arms magnate.