MTL - Legend of the Great Saint - v3 Chapter 7 Demon door

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

Starting as a fallen noble? Struggling with hunger? Having to pay high taxes to the king? If you don’t pay enough, your head will be chopped off?Romon activates the Lord Simulator and begins with a village...[Your subjects discover a large amount of magic crystal ore while digging on the western side of your territory!][Your territory's culture improves, and your rapid-fire mage develops: Orbital Magic!][You successfully expand your territory and discover an underground labyrinth city on the new land!][You annex the land and gain a new title: Duke of Thune!][The king passes away, war breaks out, and you decide: to annex all lords and establish a new kingdom!]Romon: “Annexing the world is for better simulation, leading the world to ascend efficiently—how can you call it personal ambition?”

Jaden Cross is a young man trying to survive in the shadows of Neo-Lagos, a futuristic city where the poor live in broken homes and forgotten slums. Orphaned at six and forced to grow up fast, Jaden spends his days fixing scraps and dreaming of a better world—a world he believes he’ll never see.Until one night, everything changes.A mysterious glowing orb appears in the sky and connects with Jaden’s mind, activating the Tech Architect System—a powerful, sci-fi interface that gives him access to futuristic blueprints, instant-building tools, and system quests that reward him for solving real-world problems.His first quest? Restore power to his neighborhood using solar microgrids.Soon, Jaden is building cooling shelters, clean energy systems, and AI-run apartments—one project at a time. But with each success, he draws more attention. The city’s leaders want to control him. A rival from the tech underworld wants to steal the system. And darker forces are watching from the skies, waiting for the Architect to grow.Armed with only his mind, his hands, and the Tech Architect System, Jaden must rise from the ruins of poverty and become the builder of a new future.But in a city full of secrets, will he remain its hero… or become its biggest threat?

A streamer who died during his gaming stream gets transmigrated to a game he died on. With his second chance to live, he will survive at all cost to cherish the chance given to him. The Class he chose? The Archer.[ Hello! This is BrightestShinyStar, also known as Sirius. Welcome to my first novel posted in WebNovel! I hope you enjoy reading! ]