After Traveling to Another World, I Relied on Magic Infrastructure to Conquer the Tyrant

A modern engineer travels across the magical continent, becomes the son of a declining noble, and is bound to the "magic industrial system". The mainland is threatened by the wave of monsters, the nobles monopolize magic resources, and the people at the bottom are on the verge of rebellion. Rational Infrastructure Crazy Suffer × Violent Vinegar Emperor Attack Mission: Self-reliance and self-reliance, making the country strong through science and technology