The youth who was reincarnated into other-world, Minamiya Kouya who given tons of cheat like ability.

And the one he liked the most out of all those cheats was . Having gained this ability, the protagonist utilized it to do whatever he wants, such as; infiltrate the economy with Japanese products ordered from Japanese online store, requesting Japanese company to build a building using latest technology from Japan.

This is an assimilation of Japanese culture in a world of swords and magic.