A handy boy, Kurt, was kicked out of a hero party for being "a good-for-nothing member who can't even kill a slime." A test he took revealed that he had zero aptitude for combat. He is hopeless to work as an adventurer... To earn money for the day, he gets all kinds of jobs here and there. He shows an astounding talent that seem not to be human work in all fields—mining, cooking, and construction! Those around him are taken aback by his talent equivalent to the nation's highest engineer, Atelier Master. However, Kurt himself is oblivious to this fact...!