When Building Infrastructure in Another World, Build the Assembly Line First!

The soul of a top killer traveled to another world and became the son of a monster with both magic and martial arts disabled? His father gave him a cold look, his brother mocked him, and his fiancée humiliated him in public? It doesn't matter, the trash in your eyes is the doomsday I have prepared for you! Not magic? I know science! Are you feeling vindictive? I practice qigong! Faced with endless contempt and suppression, I, Alex, chose to find another way! The territory is barren and unruly people are everywhere? At the beginning, build an assembly line, gather troops and stock up on food, and turn the desperate abandoned city into an industrial fortress! Vampires are coming and the Empire is putting pressure on them? My musket formation specializes in treating all kinds of dissatisfaction! My steam monster makes gods and demons tremble! From the abandoned son in the north to the king of the north who unified the continent; from the stranger in the east to the protector of the ancient empire. Who said black hair and black eyes are alien? I will use gears and steam to crown this world! This is a story that uses science and ruthlessness to turn the other world upside down!