Mukouda Tsuyoshi was summoned from modern Japan to a different world of sword and magic. He wonders what kind of a huge adventure is waiting for him, but actually, Mukouda is just a civilian who got caught in a "Hero Summoning" by accident!! And Mukouda's base status is very shabby compared to the legitimate heroes... The only thing that he can rely on in this world is his unique skill "Net Supermarket," which enables him to order goods from modern Japan, and prepare them for various personas attracted by a different world's food...