Easygoing Territory Defense by the Optimistic Lord

Reborn as the marquis's fourth son, Van was once celebrated as a prodigy until banished to a nameless frontier village for wielding Production Magic, a power deemed useless in this world. Yet by channeling this ostensibly undervalued force into forging weapons, tools, and marvels beyond belief, the village prospers. Exile becomes a new beginning and the catalyst for a world-altering adventure.